diff --git a/.claude/settings.local.json b/.claude/settings.local.json
index d637cda..9fd45b7 100644
--- a/.claude/settings.local.json
+++ b/.claude/settings.local.json
@@ -22,7 +22,8 @@
       "WebFetch(domain:raw.githubusercontent.com)",
       "Bash(curl:*)",
       "WebFetch(domain:fktn-k.github.io)",
-      "Bash(./jaildoctors_dilemma)"
+      "Bash(./jaildoctors_dilemma)",
+      "Bash(timeout 5 ./jaildoctors_dilemma:*)"
     ],
     "deny": [],
     "ask": []
diff --git a/CLAUDE.md b/CLAUDE.md
index daa3151..bdf0d10 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -261,7 +261,7 @@ source/
 └── main.cpp                       # Application entry point
 
 config/                            # Configuration files
-└── assets.txt                     # Asset registry (text-based configuration)
+└── assets.yaml                     # Asset registry (text-based configuration)
 
 data/                              # Game assets
 ├── font/                          # Bitmap fonts + descriptors
@@ -469,7 +469,7 @@ Game::run() {
 ```
 Director::setFileList()
   ├─ Asset::loadFromFile(config_path, PREFIX, system_folder_)
-  │   ├─ Read config/assets.txt                - Parse text configuration file
+  │   ├─ Read config/assets.yaml                - Parse text configuration file
   │   ├─ Parse each line: TYPE|PATH|OPTIONS    - Extract asset information
   │   ├─ Replace variables (${PREFIX}, ${SYSTEM_FOLDER})
   │   └─ Store in unordered_map (O(1) lookup) - Fast asset path retrieval
@@ -654,7 +654,7 @@ Achievements trigger notifications on unlock.
 | `Input` | Keyboard & gamepad input | Singleton |
 | `Audio` | Music and SFX playback | Singleton |
 | `Resource` | Asset caching and loading | Singleton |
-| `Asset` | Asset path registry from config/assets.txt, O(1) lookups, variable substitution | Singleton |
+| `Asset` | Asset path registry from config/assets.yaml, O(1) lookups, variable substitution | Singleton |
 | `Debug` | Debug overlay information | Singleton |
 | `globalEvents` | Global SDL event handling (quit, device reset, mouse) | Namespace |
 
@@ -717,16 +717,25 @@ Achievements trigger notifications on unlock.
 ### Adding Game Assets
 
 1. Place file in `data/` directory
-2. Add entry to `config/assets.txt`:
+2. Add entry to `config/assets.yaml` under the appropriate category:
+   ```yaml
+   assets:
+     category_name:  # e.g., player, enemies, music, etc.
+       - type: BITMAP
+         path: ${PREFIX}/data/path/file.ext
    ```
-   TYPE|${PREFIX}/data/path/file.ext
+   Available types: `DATA`, `BITMAP`, `ANIMATION`, `MUSIC`, `SOUND`, `FONT`, `ROOM`, `PALETTE`
+3. Optional flags can be added:
+   ```yaml
+   - type: DATA
+     path: ${SYSTEM_FOLDER}/file.txt
+     required: false  # Don't fail if missing
+     absolute: true   # Path is absolute
    ```
-   Available types: `DATA`, `BITMAP`, `ANIMATION`, `MUSIC`, `SOUND`, `FONT`, `ROOM`, `TILEMAP`, `PALETTE`
-3. Optional flags can be added: `TYPE|${PREFIX}/path/file.ext|optional,absolute`
 4. Resource loads automatically during `Resource::init()`
 5. Access via: `Resource::Cache::get()->getSurface("name")`
 
-**Note:** No recompilation needed when adding/removing/modifying assets in `config/assets.txt`
+**Note:** No recompilation needed when adding/removing/modifying assets in `config/assets.yaml`
 
 ### Modifying Collision Detection
 
@@ -782,36 +791,58 @@ In debug builds (`#ifdef DEBUG`), renders:
 
 ## 11. File Format Reference
 
-### Asset Configuration File (config/assets.txt)
-Text-based asset registry with pipe-delimited format:
-```
-# Format: TYPE|PATH [|OPTIONS]
-# Comments start with # or ;
+### Asset Configuration File (config/assets.yaml)
+YAML-based asset registry with grouped structure:
+```yaml
+# JailDoctor's Dilemma - Asset Configuration
 # Variables: ${PREFIX}, ${SYSTEM_FOLDER}
-# Options: optional, absolute (comma-separated)
 
-# Example entries:
-BITMAP|${PREFIX}/data/player/player.gif
-ANIMATION|${PREFIX}/data/player/player.ani
-MUSIC|${PREFIX}/data/music/title.ogg
-DATA|${SYSTEM_FOLDER}/config.txt|optional,absolute
+assets:
+  # FONTS
+  fonts:
+    - type: BITMAP
+      path: ${PREFIX}/data/font/smb2.gif
+    - type: FONT
+      path: ${PREFIX}/data/font/smb2.txt
+
+  # PLAYER
+  player:
+    - type: BITMAP
+      path: ${PREFIX}/data/player/player.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/player/player.yaml
+
+  # MUSIC
+  music:
+    - type: MUSIC
+      path: ${PREFIX}/data/music/title.ogg
+
+  # SYSTEM FILES (optional, absolute paths)
+  system:
+    - type: DATA
+      path: ${SYSTEM_FOLDER}/config.txt
+      required: false
+      absolute: true
 ```
 
+**Asset Structure:**
+- Assets are organized into categories (fonts, palettes, shaders, player, enemies, etc.)
+- Each asset entry contains:
+  - `type` - Asset type (required)
+  - `path` - File path with variable substitution (required)
+  - `required` - Whether file must exist (optional, default: `true`)
+  - `absolute` - Whether path is absolute (optional, default: `false`)
+
 **Available Asset Types:**
 - `DATA` - General data files (text, JSON, etc.)
 - `BITMAP` - Images (GIF, PNG)
-- `ANIMATION` - Animation definition files (.ani)
+- `ANIMATION` - Animation definition files (.yaml)
 - `MUSIC` - Music files (OGG)
 - `SOUND` - Sound effects (WAV)
 - `FONT` - Font definition files
-- `ROOM` - Room data files (.room)
-- `TILEMAP` - Tilemap files (.tmx)
+- `ROOM` - Room data files (.yaml)
 - `PALETTE` - Color palette files (.pal)
 
-**Options:**
-- `optional` - File is not required (won't fail check if missing)
-- `absolute` - Path is absolute (not relative to executable)
-
 **Variables:**
 - `${PREFIX}` - Replaced with `/../Resources` on macOS bundles, empty otherwise
 - `${SYSTEM_FOLDER}` - Replaced with user's system config folder
@@ -865,7 +896,7 @@ Binary 256-color palette format (256 × 4 bytes RGBA).
 - `Player::update()` - Physics and movement
 
 ### For Asset Management
-- `config/assets.txt` - Asset configuration file (text-based, no recompilation needed)
+- `config/assets.yaml` - Asset configuration file (text-based, no recompilation needed)
 - `Asset::loadFromFile()` - Loads assets from config file
 - `Resource::List::get()` - Retrieves asset path (O(1) lookup with unordered_map)
 - `Resource::load()` - Asset loading
diff --git a/config/assets.txt b/config/assets.txt
deleted file mode 100644
index 0b520fc..0000000
--- a/config/assets.txt
+++ /dev/null
@@ -1,339 +0,0 @@
-# JailDoctor's Dilemma - Asset Configuration
-# Format: TYPE|PATH [|OPTIONS]
-# Options: optional, absolute (comma-separated)
-# Variables: ${PREFIX}, ${SYSTEM_FOLDER}
-
-# ===================================================================
-# FONTS
-# ===================================================================
-BITMAP|${PREFIX}/data/font/smb2.gif
-FONT|${PREFIX}/data/font/smb2.txt
-BITMAP|${PREFIX}/data/font/aseprite.gif
-FONT|${PREFIX}/data/font/aseprite.txt
-BITMAP|${PREFIX}/data/font/gauntlet.gif
-FONT|${PREFIX}/data/font/gauntlet.txt
-BITMAP|${PREFIX}/data/font/subatomic.gif
-FONT|${PREFIX}/data/font/subatomic.txt
-BITMAP|${PREFIX}/data/font/8bithud.gif
-FONT|${PREFIX}/data/font/8bithud.txt
-
-# ===================================================================
-# PALETTES
-# ===================================================================
-PALETTE|${PREFIX}/data/palette/zx-spectrum.pal
-PALETTE|${PREFIX}/data/palette/zx-spectrum-adjusted.pal
-PALETTE|${PREFIX}/data/palette/zxarne-5-2.pal
-PALETTE|${PREFIX}/data/palette/black-and-white.pal
-PALETTE|${PREFIX}/data/palette/green-phosphor.pal
-PALETTE|${PREFIX}/data/palette/orange-screen.pal
-PALETTE|${PREFIX}/data/palette/ruzx-spectrum.pal
-PALETTE|${PREFIX}/data/palette/ruzx-spectrum-revision-2.pal
-PALETTE|${PREFIX}/data/palette/pico-8.pal
-PALETTE|${PREFIX}/data/palette/sweetie-16.pal
-PALETTE|${PREFIX}/data/palette/island-joy-16.pal
-PALETTE|${PREFIX}/data/palette/lost-century.pal
-PALETTE|${PREFIX}/data/palette/na16.pal
-PALETTE|${PREFIX}/data/palette/steam-lords.pal
-
-# ===================================================================
-# SHADERS
-# ===================================================================
-DATA|${PREFIX}/data/shaders/crtpi_vertex.glsl
-DATA|${PREFIX}/data/shaders/crtpi_fragment.glsl
-DATA|${PREFIX}/data/shaders/crtpi_vertex_es.glsl
-DATA|${PREFIX}/data/shaders/crtpi_fragment_es.glsl
-
-# ===================================================================
-# INPUT DATA (in root, not packed - SDL needs filesystem access)
-# ===================================================================
-DATA|${PREFIX}/gamecontrollerdb.txt
-
-# ===================================================================
-# SYSTEM FILES (optional, absolute paths)
-# ===================================================================
-DATA|${SYSTEM_FOLDER}/config.txt|optional,absolute
-DATA|${SYSTEM_FOLDER}/stats_buffer.csv|optional,absolute
-DATA|${SYSTEM_FOLDER}/stats.csv|optional,absolute
-DATA|${SYSTEM_FOLDER}/cheevos.bin|optional,absolute
-
-# ===================================================================
-# ROOMS (60 rooms - formato YAML unificado con tilemap embebido)
-# ===================================================================
-ROOM|${PREFIX}/data/room/01.yaml
-ROOM|${PREFIX}/data/room/02.yaml
-ROOM|${PREFIX}/data/room/03.yaml
-ROOM|${PREFIX}/data/room/04.yaml
-ROOM|${PREFIX}/data/room/05.yaml
-ROOM|${PREFIX}/data/room/06.yaml
-ROOM|${PREFIX}/data/room/07.yaml
-ROOM|${PREFIX}/data/room/08.yaml
-ROOM|${PREFIX}/data/room/09.yaml
-ROOM|${PREFIX}/data/room/10.yaml
-ROOM|${PREFIX}/data/room/11.yaml
-ROOM|${PREFIX}/data/room/12.yaml
-ROOM|${PREFIX}/data/room/13.yaml
-ROOM|${PREFIX}/data/room/14.yaml
-ROOM|${PREFIX}/data/room/15.yaml
-ROOM|${PREFIX}/data/room/16.yaml
-ROOM|${PREFIX}/data/room/17.yaml
-ROOM|${PREFIX}/data/room/18.yaml
-ROOM|${PREFIX}/data/room/19.yaml
-ROOM|${PREFIX}/data/room/20.yaml
-ROOM|${PREFIX}/data/room/21.yaml
-ROOM|${PREFIX}/data/room/22.yaml
-ROOM|${PREFIX}/data/room/23.yaml
-ROOM|${PREFIX}/data/room/24.yaml
-ROOM|${PREFIX}/data/room/25.yaml
-ROOM|${PREFIX}/data/room/26.yaml
-ROOM|${PREFIX}/data/room/27.yaml
-ROOM|${PREFIX}/data/room/28.yaml
-ROOM|${PREFIX}/data/room/29.yaml
-ROOM|${PREFIX}/data/room/30.yaml
-ROOM|${PREFIX}/data/room/31.yaml
-ROOM|${PREFIX}/data/room/32.yaml
-ROOM|${PREFIX}/data/room/33.yaml
-ROOM|${PREFIX}/data/room/34.yaml
-ROOM|${PREFIX}/data/room/35.yaml
-ROOM|${PREFIX}/data/room/36.yaml
-ROOM|${PREFIX}/data/room/37.yaml
-ROOM|${PREFIX}/data/room/38.yaml
-ROOM|${PREFIX}/data/room/39.yaml
-ROOM|${PREFIX}/data/room/40.yaml
-ROOM|${PREFIX}/data/room/41.yaml
-ROOM|${PREFIX}/data/room/42.yaml
-ROOM|${PREFIX}/data/room/43.yaml
-ROOM|${PREFIX}/data/room/44.yaml
-ROOM|${PREFIX}/data/room/45.yaml
-ROOM|${PREFIX}/data/room/46.yaml
-ROOM|${PREFIX}/data/room/47.yaml
-ROOM|${PREFIX}/data/room/48.yaml
-ROOM|${PREFIX}/data/room/49.yaml
-ROOM|${PREFIX}/data/room/50.yaml
-ROOM|${PREFIX}/data/room/51.yaml
-ROOM|${PREFIX}/data/room/52.yaml
-ROOM|${PREFIX}/data/room/53.yaml
-ROOM|${PREFIX}/data/room/54.yaml
-ROOM|${PREFIX}/data/room/55.yaml
-ROOM|${PREFIX}/data/room/56.yaml
-ROOM|${PREFIX}/data/room/57.yaml
-ROOM|${PREFIX}/data/room/58.yaml
-ROOM|${PREFIX}/data/room/59.yaml
-ROOM|${PREFIX}/data/room/60.yaml
-
-# ===================================================================
-# TILESETS
-# ===================================================================
-BITMAP|${PREFIX}/data/tilesets/standard.gif
-
-# ===================================================================
-# ENEMIES
-# ===================================================================
-ANIMATION|${PREFIX}/data/enemies/abad_bell.yaml
-BITMAP|${PREFIX}/data/enemies/abad_bell.gif
-ANIMATION|${PREFIX}/data/enemies/abad.yaml
-BITMAP|${PREFIX}/data/enemies/abad.gif
-ANIMATION|${PREFIX}/data/enemies/amstrad_cs.yaml
-BITMAP|${PREFIX}/data/enemies/amstrad_cs.gif
-ANIMATION|${PREFIX}/data/enemies/flying_arounder.yaml
-BITMAP|${PREFIX}/data/enemies/flying_arounder.gif
-ANIMATION|${PREFIX}/data/enemies/stopped_arounder.yaml
-BITMAP|${PREFIX}/data/enemies/stopped_arounder.gif
-ANIMATION|${PREFIX}/data/enemies/walking_arounder.yaml
-BITMAP|${PREFIX}/data/enemies/walking_arounder.gif
-ANIMATION|${PREFIX}/data/enemies/arounders_door.yaml
-BITMAP|${PREFIX}/data/enemies/arounders_door.gif
-ANIMATION|${PREFIX}/data/enemies/arounders_machine.yaml
-BITMAP|${PREFIX}/data/enemies/arounders_machine.gif
-ANIMATION|${PREFIX}/data/enemies/bat.yaml
-BITMAP|${PREFIX}/data/enemies/bat.gif
-ANIMATION|${PREFIX}/data/enemies/batman_bell.yaml
-BITMAP|${PREFIX}/data/enemies/batman_bell.gif
-ANIMATION|${PREFIX}/data/enemies/batman_fire.yaml
-BITMAP|${PREFIX}/data/enemies/batman_fire.gif
-ANIMATION|${PREFIX}/data/enemies/batman.yaml
-BITMAP|${PREFIX}/data/enemies/batman.gif
-ANIMATION|${PREFIX}/data/enemies/bell.yaml
-BITMAP|${PREFIX}/data/enemies/bell.gif
-ANIMATION|${PREFIX}/data/enemies/bin.yaml
-BITMAP|${PREFIX}/data/enemies/bin.gif
-ANIMATION|${PREFIX}/data/enemies/bird.yaml
-BITMAP|${PREFIX}/data/enemies/bird.gif
-ANIMATION|${PREFIX}/data/enemies/breakout.yaml
-BITMAP|${PREFIX}/data/enemies/breakout.gif
-ANIMATION|${PREFIX}/data/enemies/bry.yaml
-BITMAP|${PREFIX}/data/enemies/bry.gif
-ANIMATION|${PREFIX}/data/enemies/chip.yaml
-BITMAP|${PREFIX}/data/enemies/chip.gif
-ANIMATION|${PREFIX}/data/enemies/code.yaml
-BITMAP|${PREFIX}/data/enemies/code.gif
-ANIMATION|${PREFIX}/data/enemies/congo.yaml
-BITMAP|${PREFIX}/data/enemies/congo.gif
-ANIMATION|${PREFIX}/data/enemies/crosshair.yaml
-BITMAP|${PREFIX}/data/enemies/crosshair.gif
-ANIMATION|${PREFIX}/data/enemies/demon.yaml
-BITMAP|${PREFIX}/data/enemies/demon.gif
-ANIMATION|${PREFIX}/data/enemies/dimallas.yaml
-BITMAP|${PREFIX}/data/enemies/dimallas.gif
-ANIMATION|${PREFIX}/data/enemies/floppy.yaml
-BITMAP|${PREFIX}/data/enemies/floppy.gif
-ANIMATION|${PREFIX}/data/enemies/dong.yaml
-BITMAP|${PREFIX}/data/enemies/dong.gif
-ANIMATION|${PREFIX}/data/enemies/guitar.yaml
-BITMAP|${PREFIX}/data/enemies/guitar.gif
-ANIMATION|${PREFIX}/data/enemies/heavy.yaml
-BITMAP|${PREFIX}/data/enemies/heavy.gif
-ANIMATION|${PREFIX}/data/enemies/jailer_#1.yaml
-BITMAP|${PREFIX}/data/enemies/jailer_#1.gif
-ANIMATION|${PREFIX}/data/enemies/jailer_#2.yaml
-BITMAP|${PREFIX}/data/enemies/jailer_#2.gif
-ANIMATION|${PREFIX}/data/enemies/jailer_#3.yaml
-BITMAP|${PREFIX}/data/enemies/jailer_#3.gif
-ANIMATION|${PREFIX}/data/enemies/jailbattle_alien.yaml
-BITMAP|${PREFIX}/data/enemies/jailbattle_alien.gif
-ANIMATION|${PREFIX}/data/enemies/jailbattle_human.yaml
-BITMAP|${PREFIX}/data/enemies/jailbattle_human.gif
-ANIMATION|${PREFIX}/data/enemies/jeannine.yaml
-BITMAP|${PREFIX}/data/enemies/jeannine.gif
-ANIMATION|${PREFIX}/data/enemies/lamp.yaml
-BITMAP|${PREFIX}/data/enemies/lamp.gif
-ANIMATION|${PREFIX}/data/enemies/lord_abad.yaml
-BITMAP|${PREFIX}/data/enemies/lord_abad.gif
-ANIMATION|${PREFIX}/data/enemies/matatunos.yaml
-BITMAP|${PREFIX}/data/enemies/matatunos.gif
-ANIMATION|${PREFIX}/data/enemies/mummy.yaml
-BITMAP|${PREFIX}/data/enemies/mummy.gif
-ANIMATION|${PREFIX}/data/enemies/paco.yaml
-BITMAP|${PREFIX}/data/enemies/paco.gif
-ANIMATION|${PREFIX}/data/enemies/elsa.yaml
-BITMAP|${PREFIX}/data/enemies/elsa.gif
-ANIMATION|${PREFIX}/data/enemies/qvoid.yaml
-BITMAP|${PREFIX}/data/enemies/qvoid.gif
-ANIMATION|${PREFIX}/data/enemies/robot.yaml
-BITMAP|${PREFIX}/data/enemies/robot.gif
-ANIMATION|${PREFIX}/data/enemies/sam.yaml
-BITMAP|${PREFIX}/data/enemies/sam.gif
-ANIMATION|${PREFIX}/data/enemies/shock.yaml
-BITMAP|${PREFIX}/data/enemies/shock.gif
-ANIMATION|${PREFIX}/data/enemies/sigmasua.yaml
-BITMAP|${PREFIX}/data/enemies/sigmasua.gif
-ANIMATION|${PREFIX}/data/enemies/spark.yaml
-BITMAP|${PREFIX}/data/enemies/spark.gif
-ANIMATION|${PREFIX}/data/enemies/special/aerojailer.yaml
-BITMAP|${PREFIX}/data/enemies/special/aerojailer.gif
-ANIMATION|${PREFIX}/data/enemies/special/arounder.yaml
-BITMAP|${PREFIX}/data/enemies/special/arounder.gif
-ANIMATION|${PREFIX}/data/enemies/special/pepe_rosita_job.yaml
-BITMAP|${PREFIX}/data/enemies/special/pepe_rosita_job.gif
-ANIMATION|${PREFIX}/data/enemies/special/shooting_star.yaml
-BITMAP|${PREFIX}/data/enemies/special/shooting_star.gif
-ANIMATION|${PREFIX}/data/enemies/spider.yaml
-BITMAP|${PREFIX}/data/enemies/spider.gif
-ANIMATION|${PREFIX}/data/enemies/tree_thing.yaml
-BITMAP|${PREFIX}/data/enemies/tree_thing.gif
-ANIMATION|${PREFIX}/data/enemies/tuno.yaml
-BITMAP|${PREFIX}/data/enemies/tuno.gif
-ANIMATION|${PREFIX}/data/enemies/tv_panel.yaml
-BITMAP|${PREFIX}/data/enemies/tv_panel.gif
-ANIMATION|${PREFIX}/data/enemies/tv.yaml
-BITMAP|${PREFIX}/data/enemies/tv.gif
-ANIMATION|${PREFIX}/data/enemies/upv_student.yaml
-BITMAP|${PREFIX}/data/enemies/upv_student.gif
-ANIMATION|${PREFIX}/data/enemies/wave.yaml
-BITMAP|${PREFIX}/data/enemies/wave.gif
-ANIMATION|${PREFIX}/data/enemies/z80.yaml
-BITMAP|${PREFIX}/data/enemies/z80.gif
-
-# ===================================================================
-# PLAYER
-# ===================================================================
-BITMAP|${PREFIX}/data/player/player.gif
-ANIMATION|${PREFIX}/data/player/player.yaml
-BITMAP|${PREFIX}/data/player/player2.gif
-ANIMATION|${PREFIX}/data/player/player2.yaml
-BITMAP|${PREFIX}/data/player/player_game_over.gif
-ANIMATION|${PREFIX}/data/player/player_game_over.yaml
-
-# ===================================================================
-# ITEMS
-# ===================================================================
-BITMAP|${PREFIX}/data/items/items.gif
-
-# ===================================================================
-# MUSIC
-# ===================================================================
-MUSIC|${PREFIX}/data/music/title.ogg
-MUSIC|${PREFIX}/data/music/game.ogg
-MUSIC|${PREFIX}/data/music/loading_data1.ogg
-MUSIC|${PREFIX}/data/music/loading_data2.ogg
-MUSIC|${PREFIX}/data/music/loading_header.ogg
-MUSIC|${PREFIX}/data/music/loading_screen_color.ogg
-MUSIC|${PREFIX}/data/music/loading_screen_data.ogg
-MUSIC|${PREFIX}/data/music/ending1.ogg
-MUSIC|${PREFIX}/data/music/ending2.ogg
-MUSIC|${PREFIX}/data/music/game_over.ogg
-
-# ===================================================================
-# SOUND EFFECTS
-# ===================================================================
-SOUND|${PREFIX}/data/sound/item.wav
-SOUND|${PREFIX}/data/sound/death.wav
-SOUND|${PREFIX}/data/sound/notify.wav
-
-# Jump sounds (1-24)
-SOUND|${PREFIX}/data/sound/jump1.wav
-SOUND|${PREFIX}/data/sound/jump2.wav
-SOUND|${PREFIX}/data/sound/jump3.wav
-SOUND|${PREFIX}/data/sound/jump4.wav
-SOUND|${PREFIX}/data/sound/jump5.wav
-SOUND|${PREFIX}/data/sound/jump6.wav
-SOUND|${PREFIX}/data/sound/jump7.wav
-SOUND|${PREFIX}/data/sound/jump8.wav
-SOUND|${PREFIX}/data/sound/jump9.wav
-SOUND|${PREFIX}/data/sound/jump10.wav
-SOUND|${PREFIX}/data/sound/jump11.wav
-SOUND|${PREFIX}/data/sound/jump12.wav
-SOUND|${PREFIX}/data/sound/jump13.wav
-SOUND|${PREFIX}/data/sound/jump14.wav
-SOUND|${PREFIX}/data/sound/jump15.wav
-SOUND|${PREFIX}/data/sound/jump16.wav
-SOUND|${PREFIX}/data/sound/jump17.wav
-SOUND|${PREFIX}/data/sound/jump18.wav
-SOUND|${PREFIX}/data/sound/jump19.wav
-SOUND|${PREFIX}/data/sound/jump20.wav
-SOUND|${PREFIX}/data/sound/jump21.wav
-SOUND|${PREFIX}/data/sound/jump22.wav
-SOUND|${PREFIX}/data/sound/jump23.wav
-SOUND|${PREFIX}/data/sound/jump24.wav
-
-# ===================================================================
-# LOGO
-# ===================================================================
-BITMAP|${PREFIX}/data/logo/jailgames.gif
-BITMAP|${PREFIX}/data/logo/since_1998.gif
-
-# ===================================================================
-# LOADING SCREEN
-# ===================================================================
-BITMAP|${PREFIX}/data/loading/loading_screen_bn.gif
-BITMAP|${PREFIX}/data/loading/loading_screen_color.gif
-BITMAP|${PREFIX}/data/loading/program_jaildoc.gif
-
-# ===================================================================
-# TITLE SCREEN
-# ===================================================================
-BITMAP|${PREFIX}/data/title/title_logo.gif
-
-# ===================================================================
-# ENDING SCREENS
-# ===================================================================
-BITMAP|${PREFIX}/data/ending/ending1.gif
-BITMAP|${PREFIX}/data/ending/ending2.gif
-BITMAP|${PREFIX}/data/ending/ending3.gif
-BITMAP|${PREFIX}/data/ending/ending4.gif
-BITMAP|${PREFIX}/data/ending/ending5.gif
-
-# ===================================================================
-# CREDITS
-# ===================================================================
-BITMAP|${PREFIX}/data/credits/shine.gif
-ANIMATION|${PREFIX}/data/credits/shine.yaml
diff --git a/config/assets.yaml b/config/assets.yaml
new file mode 100644
index 0000000..4ccbf27
--- /dev/null
+++ b/config/assets.yaml
@@ -0,0 +1,593 @@
+# JailDoctor's Dilemma - Asset Configuration
+# Migrated from assets.txt to YAML format
+# Variables: ${PREFIX}, ${SYSTEM_FOLDER}
+
+assets:
+  # FONTS
+  fonts:
+    - type: BITMAP
+      path: ${PREFIX}/data/font/smb2.gif
+    - type: FONT
+      path: ${PREFIX}/data/font/smb2.txt
+    - type: BITMAP
+      path: ${PREFIX}/data/font/aseprite.gif
+    - type: FONT
+      path: ${PREFIX}/data/font/aseprite.txt
+    - type: BITMAP
+      path: ${PREFIX}/data/font/gauntlet.gif
+    - type: FONT
+      path: ${PREFIX}/data/font/gauntlet.txt
+    - type: BITMAP
+      path: ${PREFIX}/data/font/subatomic.gif
+    - type: FONT
+      path: ${PREFIX}/data/font/subatomic.txt
+    - type: BITMAP
+      path: ${PREFIX}/data/font/8bithud.gif
+    - type: FONT
+      path: ${PREFIX}/data/font/8bithud.txt
+
+  # PALETTES
+  palettes:
+    - type: PALETTE
+      path: ${PREFIX}/data/palette/zx-spectrum.pal
+    - type: PALETTE
+      path: ${PREFIX}/data/palette/zx-spectrum-adjusted.pal
+    - type: PALETTE
+      path: ${PREFIX}/data/palette/zxarne-5-2.pal
+    - type: PALETTE
+      path: ${PREFIX}/data/palette/black-and-white.pal
+    - type: PALETTE
+      path: ${PREFIX}/data/palette/green-phosphor.pal
+    - type: PALETTE
+      path: ${PREFIX}/data/palette/orange-screen.pal
+    - type: PALETTE
+      path: ${PREFIX}/data/palette/ruzx-spectrum.pal
+    - type: PALETTE
+      path: ${PREFIX}/data/palette/ruzx-spectrum-revision-2.pal
+    - type: PALETTE
+      path: ${PREFIX}/data/palette/pico-8.pal
+    - type: PALETTE
+      path: ${PREFIX}/data/palette/sweetie-16.pal
+    - type: PALETTE
+      path: ${PREFIX}/data/palette/island-joy-16.pal
+    - type: PALETTE
+      path: ${PREFIX}/data/palette/lost-century.pal
+    - type: PALETTE
+      path: ${PREFIX}/data/palette/na16.pal
+    - type: PALETTE
+      path: ${PREFIX}/data/palette/steam-lords.pal
+
+  # SHADERS
+  shaders:
+    - type: DATA
+      path: ${PREFIX}/data/shaders/crtpi_vertex.glsl
+    - type: DATA
+      path: ${PREFIX}/data/shaders/crtpi_fragment.glsl
+    - type: DATA
+      path: ${PREFIX}/data/shaders/crtpi_vertex_es.glsl
+    - type: DATA
+      path: ${PREFIX}/data/shaders/crtpi_fragment_es.glsl
+
+  # INPUT
+  input:
+    - type: DATA
+      path: ${PREFIX}/gamecontrollerdb.txt
+
+  # SYSTEM
+  system:
+    - type: DATA
+      path: ${SYSTEM_FOLDER}/config.txt
+      required: false
+      absolute: true
+    - type: DATA
+      path: ${SYSTEM_FOLDER}/stats_buffer.csv
+      required: false
+      absolute: true
+    - type: DATA
+      path: ${SYSTEM_FOLDER}/stats.csv
+      required: false
+      absolute: true
+    - type: DATA
+      path: ${SYSTEM_FOLDER}/cheevos.bin
+      required: false
+      absolute: true
+
+  # ROOMS
+  rooms:
+    - type: ROOM
+      path: ${PREFIX}/data/room/01.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/02.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/03.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/04.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/05.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/06.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/07.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/08.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/09.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/10.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/11.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/12.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/13.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/14.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/15.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/16.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/17.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/18.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/19.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/20.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/21.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/22.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/23.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/24.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/25.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/26.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/27.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/28.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/29.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/30.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/31.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/32.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/33.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/34.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/35.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/36.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/37.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/38.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/39.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/40.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/41.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/42.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/43.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/44.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/45.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/46.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/47.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/48.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/49.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/50.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/51.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/52.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/53.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/54.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/55.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/56.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/57.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/58.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/59.yaml
+    - type: ROOM
+      path: ${PREFIX}/data/room/60.yaml
+
+  # TILESETS
+  tilesets:
+    - type: BITMAP
+      path: ${PREFIX}/data/tilesets/standard.gif
+
+  # ENEMIES
+  enemies:
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/abad_bell.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/abad_bell.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/abad.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/abad.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/amstrad_cs.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/amstrad_cs.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/flying_arounder.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/flying_arounder.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/stopped_arounder.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/stopped_arounder.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/walking_arounder.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/walking_arounder.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/arounders_door.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/arounders_door.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/arounders_machine.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/arounders_machine.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/bat.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/bat.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/batman_bell.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/batman_bell.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/batman_fire.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/batman_fire.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/batman.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/batman.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/bell.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/bell.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/bin.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/bin.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/bird.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/bird.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/breakout.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/breakout.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/bry.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/bry.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/chip.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/chip.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/code.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/code.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/congo.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/congo.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/crosshair.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/crosshair.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/demon.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/demon.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/dimallas.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/dimallas.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/floppy.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/floppy.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/dong.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/dong.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/guitar.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/guitar.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/heavy.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/heavy.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/jailer_#1.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/jailer_#1.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/jailer_#2.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/jailer_#2.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/jailer_#3.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/jailer_#3.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/jailbattle_alien.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/jailbattle_alien.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/jailbattle_human.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/jailbattle_human.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/jeannine.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/jeannine.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/lamp.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/lamp.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/lord_abad.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/lord_abad.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/matatunos.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/matatunos.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/mummy.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/mummy.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/paco.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/paco.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/elsa.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/elsa.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/qvoid.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/qvoid.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/robot.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/robot.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/sam.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/sam.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/shock.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/shock.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/sigmasua.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/sigmasua.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/spark.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/spark.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/special/aerojailer.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/special/aerojailer.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/special/arounder.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/special/arounder.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/special/pepe_rosita_job.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/special/pepe_rosita_job.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/special/shooting_star.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/special/shooting_star.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/spider.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/spider.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/tree_thing.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/tree_thing.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/tuno.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/tuno.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/tv_panel.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/tv_panel.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/tv.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/tv.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/upv_student.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/upv_student.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/wave.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/wave.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/enemies/z80.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/enemies/z80.gif
+
+  # PLAYER
+  player:
+    - type: BITMAP
+      path: ${PREFIX}/data/player/player.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/player/player.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/player/player2.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/player/player2.yaml
+    - type: BITMAP
+      path: ${PREFIX}/data/player/player_game_over.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/player/player_game_over.yaml
+
+  # ITEMS
+  items:
+    - type: BITMAP
+      path: ${PREFIX}/data/items/items.gif
+
+  # MUSIC
+  music:
+    - type: MUSIC
+      path: ${PREFIX}/data/music/title.ogg
+    - type: MUSIC
+      path: ${PREFIX}/data/music/game.ogg
+    - type: MUSIC
+      path: ${PREFIX}/data/music/loading_data1.ogg
+    - type: MUSIC
+      path: ${PREFIX}/data/music/loading_data2.ogg
+    - type: MUSIC
+      path: ${PREFIX}/data/music/loading_header.ogg
+    - type: MUSIC
+      path: ${PREFIX}/data/music/loading_screen_color.ogg
+    - type: MUSIC
+      path: ${PREFIX}/data/music/loading_screen_data.ogg
+    - type: MUSIC
+      path: ${PREFIX}/data/music/ending1.ogg
+    - type: MUSIC
+      path: ${PREFIX}/data/music/ending2.ogg
+    - type: MUSIC
+      path: ${PREFIX}/data/music/game_over.ogg
+
+  # SOUNDS
+  sounds:
+    - type: SOUND
+      path: ${PREFIX}/data/sound/item.wav
+    - type: SOUND
+      path: ${PREFIX}/data/sound/death.wav
+    - type: SOUND
+      path: ${PREFIX}/data/sound/notify.wav
+    - type: SOUND
+      path: ${PREFIX}/data/sound/jump1.wav
+    - type: SOUND
+      path: ${PREFIX}/data/sound/jump2.wav
+    - type: SOUND
+      path: ${PREFIX}/data/sound/jump3.wav
+    - type: SOUND
+      path: ${PREFIX}/data/sound/jump4.wav
+    - type: SOUND
+      path: ${PREFIX}/data/sound/jump5.wav
+    - type: SOUND
+      path: ${PREFIX}/data/sound/jump6.wav
+    - type: SOUND
+      path: ${PREFIX}/data/sound/jump7.wav
+    - type: SOUND
+      path: ${PREFIX}/data/sound/jump8.wav
+    - type: SOUND
+      path: ${PREFIX}/data/sound/jump9.wav
+    - type: SOUND
+      path: ${PREFIX}/data/sound/jump10.wav
+    - type: SOUND
+      path: ${PREFIX}/data/sound/jump11.wav
+    - type: SOUND
+      path: ${PREFIX}/data/sound/jump12.wav
+    - type: SOUND
+      path: ${PREFIX}/data/sound/jump13.wav
+    - type: SOUND
+      path: ${PREFIX}/data/sound/jump14.wav
+    - type: SOUND
+      path: ${PREFIX}/data/sound/jump15.wav
+    - type: SOUND
+      path: ${PREFIX}/data/sound/jump16.wav
+    - type: SOUND
+      path: ${PREFIX}/data/sound/jump17.wav
+    - type: SOUND
+      path: ${PREFIX}/data/sound/jump18.wav
+    - type: SOUND
+      path: ${PREFIX}/data/sound/jump19.wav
+    - type: SOUND
+      path: ${PREFIX}/data/sound/jump20.wav
+    - type: SOUND
+      path: ${PREFIX}/data/sound/jump21.wav
+    - type: SOUND
+      path: ${PREFIX}/data/sound/jump22.wav
+    - type: SOUND
+      path: ${PREFIX}/data/sound/jump23.wav
+    - type: SOUND
+      path: ${PREFIX}/data/sound/jump24.wav
+
+  # LOGO
+  logo:
+    - type: BITMAP
+      path: ${PREFIX}/data/logo/jailgames.gif
+    - type: BITMAP
+      path: ${PREFIX}/data/logo/since_1998.gif
+
+  # LOADING
+  loading:
+    - type: BITMAP
+      path: ${PREFIX}/data/loading/loading_screen_bn.gif
+    - type: BITMAP
+      path: ${PREFIX}/data/loading/loading_screen_color.gif
+    - type: BITMAP
+      path: ${PREFIX}/data/loading/program_jaildoc.gif
+
+  # TITLE
+  title:
+    - type: BITMAP
+      path: ${PREFIX}/data/title/title_logo.gif
+
+  # ENDING
+  ending:
+    - type: BITMAP
+      path: ${PREFIX}/data/ending/ending1.gif
+    - type: BITMAP
+      path: ${PREFIX}/data/ending/ending2.gif
+    - type: BITMAP
+      path: ${PREFIX}/data/ending/ending3.gif
+    - type: BITMAP
+      path: ${PREFIX}/data/ending/ending4.gif
+    - type: BITMAP
+      path: ${PREFIX}/data/ending/ending5.gif
+
+  # CREDITS
+  credits:
+    - type: BITMAP
+      path: ${PREFIX}/data/credits/shine.gif
+    - type: ANIMATION
+      path: ${PREFIX}/data/credits/shine.yaml
diff --git a/source/core/resources/resource_helper.cpp b/source/core/resources/resource_helper.cpp
index 8608733..d9dff2e 100644
--- a/source/core/resources/resource_helper.cpp
+++ b/source/core/resources/resource_helper.cpp
@@ -149,7 +149,7 @@ auto shouldUseResourcePack(const std::string& filepath) -> bool {
     std::string path = filepath;
     std::ranges::replace(path, '\\', '/');
 
-    // Don't use pack for most config files (except config/assets.txt which is loaded
+    // Don't use pack for most config files (except config/assets.yaml which is loaded
     // directly via Loader::loadAssetsConfig() in release builds)
     if (path.find("config/") != std::string::npos) {
         return false;
diff --git a/source/core/resources/resource_list.cpp b/source/core/resources/resource_list.cpp
index bef783f..f846c22 100644
--- a/source/core/resources/resource_list.cpp
+++ b/source/core/resources/resource_list.cpp
@@ -11,7 +11,8 @@
 #include <sstream>     // Para istringstream
 #include <stdexcept>   // Para runtime_error
 
-#include "utils/utils.hpp"  // Para getFileName, printWithDots
+#include "external/fkyaml_node.hpp"  // Para parsear YAML
+#include "utils/utils.hpp"           // Para getFileName, printWithDots
 
 namespace Resource {
 
@@ -71,70 +72,87 @@ void List::loadFromFile(const std::string& config_file_path, const std::string&
 
 // Carga recursos desde un string de configuración (para release con pack)
 void List::loadFromString(const std::string& config_content, const std::string& prefix, const std::string& system_folder) {
-    std::istringstream stream(config_content);
-    std::string line;
-    int line_number = 0;
+    try {
+        // Parsear YAML
+        auto yaml = fkyaml::node::deserialize(config_content);
 
-    while (std::getline(stream, line)) {
-        ++line_number;
-
-        // Limpiar espacios en blanco al principio y final
-        line.erase(0, line.find_first_not_of(" \t\r"));
-        line.erase(line.find_last_not_of(" \t\r") + 1);
-
-        // Ignorar líneas vacías y comentarios
-        if (line.empty() || line[0] == '#' || line[0] == ';') {
-            continue;
+        // Verificar estructura básica
+        if (!yaml.contains("assets")) {
+            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error: Invalid assets.yaml format - missing 'assets' key");
+            return;
         }
 
-        // Dividir la línea por el separador '|'
-        std::vector<std::string> parts;
-        std::istringstream iss(line);
-        std::string part;
+        const auto& assets = yaml["assets"];
 
-        while (std::getline(iss, part, '|')) {
-            parts.push_back(part);
-        }
+        // Iterar sobre cada categoría (fonts, palettes, etc.)
+        for (auto it = assets.begin(); it != assets.end(); ++it) {
+            const std::string& category = it.key().get_value<std::string>();
+            const auto& category_assets = it.value();
 
-        // Verificar que tenemos al menos tipo y ruta
-        if (parts.size() < 2) {
-            SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
-                "Warning: Malformed line %d in config (insufficient fields)",
-                line_number);
-            continue;
-        }
-
-        try {
-            const std::string& type_str = parts[0];
-            std::string path = parts[1];
-
-            // Valores por defecto
-            bool required = true;
-            bool absolute = false;
-
-            // Si hay opciones en el tercer campo, parsearlas
-            if (parts.size() >= 3) {
-                parseOptions(parts[2], required, absolute);
+            // Verificar que es un array
+            if (!category_assets.is_sequence()) {
+                SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
+                    "Warning: Category '%s' is not a sequence, skipping",
+                    category.c_str());
+                continue;
             }
 
-            // Reemplazar variables en la ruta
-            path = replaceVariables(path, prefix, system_folder);
+            // Procesar cada asset en la categoría
+            for (const auto& asset : category_assets) {
+                try {
+                    // Verificar campos obligatorios
+                    if (!asset.contains("type") || !asset.contains("path")) {
+                        SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
+                            "Warning: Asset in category '%s' missing 'type' or 'path', skipping",
+                            category.c_str());
+                        continue;
+                    }
 
-            // Parsear el tipo de asset
-            Type type = parseAssetType(type_str);
+                    // Extraer campos
+                    std::string type_str = asset["type"].get_value<std::string>();
+                    std::string path = asset["path"].get_value<std::string>();
 
-            // Añadir al mapa
-            addToMap(path, type, required, absolute);
+                    // Valores por defecto
+                    bool required = true;
+                    bool absolute = false;
 
-        } catch (const std::exception& e) {
-            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
-                "Error parsing line %d in config: %s",
-                line_number,
-                e.what());
+                    // Campos opcionales
+                    if (asset.contains("required")) {
+                        required = asset["required"].get_value<bool>();
+                    }
+                    if (asset.contains("absolute")) {
+                        absolute = asset["absolute"].get_value<bool>();
+                    }
+
+                    // Reemplazar variables en la ruta
+                    path = replaceVariables(path, prefix, system_folder);
+
+                    // Parsear el tipo de asset
+                    Type type = parseAssetType(type_str);
+
+                    // Añadir al mapa
+                    addToMap(path, type, required, absolute);
+
+                } catch (const std::exception& e) {
+                    SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+                        "Error parsing asset in category '%s': %s",
+                        category.c_str(),
+                        e.what());
+                }
+            }
         }
-    }
 
-    std::cout << "Loaded " << file_list_.size() << " assets from config" << '\n';
+        std::cout << "Loaded " << file_list_.size() << " assets from YAML config" << '\n';
+
+    } catch (const fkyaml::exception& e) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+            "YAML parsing error: %s",
+            e.what());
+    } catch (const std::exception& e) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+            "Error loading assets: %s",
+            e.what());
+    }
 }
 
 // Devuelve la ruta completa a un fichero (búsqueda O(1))
diff --git a/source/core/resources/resource_loader.cpp b/source/core/resources/resource_loader.cpp
index d8ed836..080f672 100644
--- a/source/core/resources/resource_loader.cpp
+++ b/source/core/resources/resource_loader.cpp
@@ -167,30 +167,30 @@ auto Loader::validatePack() const -> bool {
     return true;
 }
 
-// Load assets.txt from pack
+// Load assets.yaml from pack
 auto Loader::loadAssetsConfig() const -> std::string {
     if (!initialized_ || !resource_pack_ || !resource_pack_->isLoaded()) {
         std::cerr << "Loader: Cannot load assets config - pack not loaded\n";
         return "";
     }
 
-    // Try to load config/assets.txt from pack
-    std::string config_path = "config/assets.txt";
+    // Try to load config/assets.yaml from pack
+    std::string config_path = "config/assets.yaml";
 
     if (!resource_pack_->hasResource(config_path)) {
-        std::cerr << "Loader: assets.txt not found in pack: " << config_path << '\n';
+        std::cerr << "Loader: assets.yaml not found in pack: " << config_path << '\n';
         return "";
     }
 
     auto data = resource_pack_->getResource(config_path);
     if (data.empty()) {
-        std::cerr << "Loader: Failed to load assets.txt from pack\n";
+        std::cerr << "Loader: Failed to load assets.yaml from pack\n";
         return "";
     }
 
     // Convert bytes to string
     std::string config_content(data.begin(), data.end());
-    std::cout << "Loader: Loaded assets.txt from pack (" << data.size()
+    std::cout << "Loader: Loaded assets.yaml from pack (" << data.size()
               << " bytes)\n";
 
     return config_content;
diff --git a/source/core/resources/resource_loader.hpp b/source/core/resources/resource_loader.hpp
index b61c4e4..924bc45 100644
--- a/source/core/resources/resource_loader.hpp
+++ b/source/core/resources/resource_loader.hpp
@@ -36,7 +36,7 @@ class Loader {
         // Validate pack integrity (checksum)
         [[nodiscard]] auto validatePack() const -> bool;
 
-        // Load assets.txt from pack (for release builds)
+        // Load assets.yaml from pack (for release builds)
         [[nodiscard]] auto loadAssetsConfig() const -> std::string;
 
         // Cleanup
diff --git a/source/core/system/director.cpp b/source/core/system/director.cpp
index 30aba0e..c43db76 100644
--- a/source/core/system/director.cpp
+++ b/source/core/system/director.cpp
@@ -19,21 +19,21 @@
 #include "core/resources/resource_list.hpp"    // Para Asset, AssetType
 #include "core/resources/resource_loader.hpp"  // Para ResourceLoader
 #ifdef _DEBUG
-#include "core/system/debug.hpp"               // Para Debug
+#include "core/system/debug.hpp"  // Para Debug
 #endif
-#include "game/gameplay/cheevos.hpp"           // Para Cheevos
-#include "game/options.hpp"                    // Para Options, options, OptionsVideo
-#include "game/scene_manager.hpp"              // Para SceneManager
-#include "game/scenes/credits.hpp"             // Para Credits
-#include "game/scenes/ending.hpp"              // Para Ending
-#include "game/scenes/ending2.hpp"             // Para Ending2
-#include "game/scenes/game.hpp"                // Para Game, GameMode
-#include "game/scenes/game_over.hpp"           // Para GameOver
-#include "game/scenes/loading_screen.hpp"      // Para LoadingScreen
-#include "game/scenes/logo.hpp"                // Para Logo
-#include "game/scenes/title.hpp"               // Para Title
-#include "game/ui/notifier.hpp"                // Para Notifier
-#include "utils/defines.hpp"                   // Para WINDOW_CAPTION
+#include "game/gameplay/cheevos.hpp"       // Para Cheevos
+#include "game/options.hpp"                // Para Options, options, OptionsVideo
+#include "game/scene_manager.hpp"          // Para SceneManager
+#include "game/scenes/credits.hpp"         // Para Credits
+#include "game/scenes/ending.hpp"          // Para Ending
+#include "game/scenes/ending2.hpp"         // Para Ending2
+#include "game/scenes/game.hpp"            // Para Game, GameMode
+#include "game/scenes/game_over.hpp"       // Para GameOver
+#include "game/scenes/loading_screen.hpp"  // Para LoadingScreen
+#include "game/scenes/logo.hpp"            // Para Logo
+#include "game/scenes/title.hpp"           // Para Title
+#include "game/ui/notifier.hpp"            // Para Notifier
+#include "utils/defines.hpp"               // Para WINDOW_CAPTION
 
 #ifndef _WIN32
 #include <pwd.h>
@@ -83,18 +83,18 @@ Director::Director(std::vector<std::string> const& args) {
         exit(EXIT_FAILURE);
     }
 
-    // 3. Load assets.txt from pack
+    // 3. Load assets.yaml from pack
     std::cout << "Loading assets configuration from pack..." << '\n';
     std::string assets_config = Resource::Loader::get().loadAssetsConfig();
     if (assets_config.empty()) {
-        std::cerr << "ERROR: Failed to load assets.txt from pack\n";
+        std::cerr << "ERROR: Failed to load assets.yaml from pack\n";
         exit(EXIT_FAILURE);
     }
 
     // 4. Initialize Asset system with config from pack
     // NOTE: In release, don't use executable_path or PREFIX - paths in pack are relative
     // Pass empty string to avoid issues when running from different directories
-    Resource::List::init("");                                                           // Empty executable_path in release
+    Resource::List::init("");                                                  // Empty executable_path in release
     Resource::List::get()->loadFromString(assets_config, "", system_folder_);  // Empty PREFIX for pack
     std::cout << "Asset system initialized from pack\n";
 
@@ -267,7 +267,7 @@ auto Director::setFileList() -> bool {
 #endif
 
     // Construir ruta al archivo de configuración de assets
-    std::string config_path = executable_path_ + PREFIX + "/config/assets.txt";
+    std::string config_path = executable_path_ + PREFIX + "/config/assets.yaml";
 
     // Cargar todos los assets desde el archivo de configuración
     Resource::List::get()->loadFromFile(config_path, PREFIX, system_folder_);
diff --git a/tools/pack_resources/pack_resources.cpp b/tools/pack_resources/pack_resources.cpp
index b97aacb..8ad6fd9 100644
--- a/tools/pack_resources/pack_resources.cpp
+++ b/tools/pack_resources/pack_resources.cpp
@@ -35,10 +35,10 @@ auto handleDefaultPack() -> int {
         return 1;
     }
 
-    // Add config/assets.txt to pack (required for release builds)
+    // Add config/assets.yaml to pack (required for release builds)
     std::cout << "\nAdding config files...\n";
-    if (!pack.addFile("config/assets.txt", "config/assets.txt")) {
-        std::cerr << "Warning: Failed to add config/assets.txt (optional)\n";
+    if (!pack.addFile("config/assets.yaml", "config/assets.yaml")) {
+        std::cerr << "Warning: Failed to add config/assets.yaml (optional)\n";
     }
 
     if (!pack.savePack(output_file)) {
@@ -86,10 +86,10 @@ auto handlePackDirectory(const std::string& input_dir, const std::string& output
         return 1;
     }
 
-    // Add config/assets.txt to pack (required for release builds)
+    // Add config/assets.yaml to pack (required for release builds)
     std::cout << "\nAdding config files...\n";
-    if (!pack.addFile("config/assets.txt", "config/assets.txt")) {
-        std::cerr << "Warning: Failed to add config/assets.txt (optional)\n";
+    if (!pack.addFile("config/assets.yaml", "config/assets.yaml")) {
+        std::cerr << "Warning: Failed to add config/assets.yaml (optional)\n";
     }
 
     if (!pack.savePack(output_file)) {