diff --git a/source/core/input/global_inputs.cpp b/source/core/input/global_inputs.cpp
new file mode 100644
index 0000000..074a7e9
--- /dev/null
+++ b/source/core/input/global_inputs.cpp
@@ -0,0 +1,42 @@
+#include "core/input/global_inputs.hpp"
+
+#include "core/input/input.h"
+#include "core/rendering/screen.h"
+
+namespace GlobalInputs {
+
+    auto handle(Screen *screen, Input *input) -> bool {
+        if (screen == nullptr || input == nullptr) { return false; }
+
+        if (input->checkInput(input_window_fullscreen, REPEAT_FALSE)) {
+            screen->toggleVideoMode();
+            return true;
+        }
+        if (input->checkInput(input_window_dec_size, REPEAT_FALSE)) {
+            screen->decWindowZoom();
+            return true;
+        }
+        if (input->checkInput(input_window_inc_size, REPEAT_FALSE)) {
+            screen->incWindowZoom();
+            return true;
+        }
+        if (input->checkInput(input_prev_preset, REPEAT_FALSE)) {
+            screen->prevPreset();
+            return true;
+        }
+        if (input->checkInput(input_next_preset, REPEAT_FALSE)) {
+            screen->nextPreset();
+            return true;
+        }
+        if (input->checkInput(input_toggle_shader, REPEAT_FALSE)) {
+            screen->toggleShaderEnabled();
+            return true;
+        }
+        if (input->checkInput(input_toggle_shader_type, REPEAT_FALSE)) {
+            screen->toggleActiveShader();
+            return true;
+        }
+        return false;
+    }
+
+}  // namespace GlobalInputs
diff --git a/source/core/input/global_inputs.hpp b/source/core/input/global_inputs.hpp
new file mode 100644
index 0000000..a78a7a1
--- /dev/null
+++ b/source/core/input/global_inputs.hpp
@@ -0,0 +1,13 @@
+#pragma once
+
+class Input;
+class Screen;
+
+namespace GlobalInputs {
+    // Gestiona els atalls globals disponibles en qualsevol escena: zoom de
+    // finestra (F1/F2), fullscreen (F3), presets de shader (F8/F9), toggle
+    // shader (F10) i tipus de shader POSTFX↔CRTPI (F11). Retorna true si ha
+    // consumit alguna tecla (per si la capa cridant vol suprimir-la del
+    // processament específic de l'escena).
+    auto handle(Screen *screen, Input *input) -> bool;
+}  // namespace GlobalInputs
diff --git a/source/core/input/input.h b/source/core/input/input.h
index b9d00d0..47498b9 100644
--- a/source/core/input/input.h
+++ b/source/core/input/input.h
@@ -35,7 +35,8 @@ enum inputs_e {
     input_window_dec_size,
 
     // GPU / shaders (hotkeys provisionales hasta que haya menú de opciones)
-    input_toggle_gpu,
+    input_prev_preset,
+    input_next_preset,
     input_toggle_shader,
     input_toggle_shader_type,
 
diff --git a/source/core/rendering/screen.cpp b/source/core/rendering/screen.cpp
index 63426ab..7aaad23 100644
--- a/source/core/rendering/screen.cpp
+++ b/source/core/rendering/screen.cpp
@@ -452,7 +452,7 @@ void Screen::registerEmscriptenEventCallbacks() {
 // ============================================================================
 
 #ifndef NO_SHADERS
-// Aplica al backend el preset del shader actiu segons options.
+// Aplica al backend el shader actiu + els seus presets PostFX i CrtPi.
 // Només s'ha de cridar quan `videoShaderEnabled=true` (en cas contrari el
 // blit() ja força POSTFX+zero params per a desactivar els efectes sense
 // tocar els paràmetres emmagatzemats).
@@ -461,16 +461,8 @@ void Screen::applyShaderParams() {
         return;
     }
     shader_backend_->setActiveShader(Options::video.shader.current_shader);
-
-    // Preset per defecte (carregador YAML pendent). Valors estil "CRT" de CCAE.
-    Rendering::PostFXParams POSTFX;
-    POSTFX.vignette = 0.15F;
-    POSTFX.scanlines = 0.7F;
-    POSTFX.chroma = 0.2F;
-    shader_backend_->setPostFXParams(POSTFX);
-
-    // CrtPi: defaults del struct ja raonables (scanline_weight=6.0, bloom=3.5…).
-    shader_backend_->setCrtPiParams(Rendering::CrtPiParams{});
+    applyCurrentPostFXPreset();
+    applyCurrentCrtPiPreset();
 }
 #endif
 
@@ -491,6 +483,22 @@ void Screen::initShaders() {
     if (shader_backend_->isHardwareAccelerated()) {
         shader_backend_->setScaleMode(Options::video.integer_scale);
         shader_backend_->setVSync(Options::video.vsync);
+
+        // Resol els índexs de preset a partir del nom emmagatzemat al config.
+        // Si el nom no existeix (preset esborrat del YAML), es queda en 0.
+        for (int i = 0; i < static_cast<int>(Options::postfx_presets.size()); ++i) {
+            if (Options::postfx_presets[i].name == Options::video.shader.current_postfx_preset_name) {
+                Options::current_postfx_preset = i;
+                break;
+            }
+        }
+        for (int i = 0; i < static_cast<int>(Options::crtpi_presets.size()); ++i) {
+            if (Options::crtpi_presets[i].name == Options::video.shader.current_crtpi_preset_name) {
+                Options::current_crtpi_preset = i;
+                break;
+            }
+        }
+
         applyShaderParams();  // aplica preset del shader actiu
     }
 #endif
@@ -508,22 +516,6 @@ void Screen::shutdownShaders() {
 #endif
 }
 
-void Screen::setGpuAcceleration(bool enabled) {
-    if (Options::video.gpu.acceleration == enabled) { return; }
-    Options::video.gpu.acceleration = enabled;
-    // Soft toggle: el backend es manté viu (vegeu shutdownShaders). El canvi
-    // s'aplica al proper arrencada. S'emet una notificació perquè l'usuari
-    // sap que ha tocat la tecla però el canvi no és immediat.
-    const color_t YELLOW = {0xFF, 0xFF, 0x00};
-    const color_t BLACK = {0x00, 0x00, 0x00};
-    const Uint32 DUR_MS = 2500;
-    notify(enabled ? "GPU: ON (restart)" : "GPU: OFF (restart)", YELLOW, BLACK, DUR_MS);
-}
-
-void Screen::toggleGpuAcceleration() {
-    setGpuAcceleration(!Options::video.gpu.acceleration);
-}
-
 auto Screen::isGpuAccelerated() const -> bool {
 #ifndef NO_SHADERS
     return shader_backend_ && shader_backend_->isHardwareAccelerated();
@@ -585,3 +577,137 @@ void Screen::toggleActiveShader() {
         : Rendering::ShaderType::POSTFX;
 #endif
 }
+
+// ============================================================================
+// Presets de shaders
+// ============================================================================
+
+void Screen::applyCurrentPostFXPreset() {
+#ifndef NO_SHADERS
+    if (!shader_backend_ || !shader_backend_->isHardwareAccelerated()) { return; }
+    if (Options::postfx_presets.empty()) { return; }
+    if (Options::current_postfx_preset < 0
+        || Options::current_postfx_preset >= static_cast<int>(Options::postfx_presets.size())) {
+        Options::current_postfx_preset = 0;
+    }
+    const auto &PRESET = Options::postfx_presets[Options::current_postfx_preset];
+    Rendering::PostFXParams p;
+    p.vignette = PRESET.vignette;
+    p.scanlines = PRESET.scanlines;
+    p.chroma = PRESET.chroma;
+    p.mask = PRESET.mask;
+    p.gamma = PRESET.gamma;
+    p.curvature = PRESET.curvature;
+    p.bleeding = PRESET.bleeding;
+    p.flicker = PRESET.flicker;
+    shader_backend_->setPostFXParams(p);
+#endif
+}
+
+void Screen::applyCurrentCrtPiPreset() {
+#ifndef NO_SHADERS
+    if (!shader_backend_ || !shader_backend_->isHardwareAccelerated()) { return; }
+    if (Options::crtpi_presets.empty()) { return; }
+    if (Options::current_crtpi_preset < 0
+        || Options::current_crtpi_preset >= static_cast<int>(Options::crtpi_presets.size())) {
+        Options::current_crtpi_preset = 0;
+    }
+    const auto &PRESET = Options::crtpi_presets[Options::current_crtpi_preset];
+    Rendering::CrtPiParams p;
+    p.scanline_weight = PRESET.scanline_weight;
+    p.scanline_gap_brightness = PRESET.scanline_gap_brightness;
+    p.bloom_factor = PRESET.bloom_factor;
+    p.input_gamma = PRESET.input_gamma;
+    p.output_gamma = PRESET.output_gamma;
+    p.mask_brightness = PRESET.mask_brightness;
+    p.curvature_x = PRESET.curvature_x;
+    p.curvature_y = PRESET.curvature_y;
+    p.mask_type = PRESET.mask_type;
+    p.enable_scanlines = PRESET.enable_scanlines;
+    p.enable_multisample = PRESET.enable_multisample;
+    p.enable_gamma = PRESET.enable_gamma;
+    p.enable_curvature = PRESET.enable_curvature;
+    p.enable_sharper = PRESET.enable_sharper;
+    shader_backend_->setCrtPiParams(p);
+#endif
+}
+
+auto Screen::getCurrentPresetName() const -> const char* {
+#ifndef NO_SHADERS
+    if (!shader_backend_ || !shader_backend_->isHardwareAccelerated()) { return "---"; }
+    if (Options::video.shader.current_shader == Rendering::ShaderType::POSTFX) {
+        if (Options::current_postfx_preset >= 0
+            && Options::current_postfx_preset < static_cast<int>(Options::postfx_presets.size())) {
+            return Options::postfx_presets[Options::current_postfx_preset].name.c_str();
+        }
+    } else {
+        if (Options::current_crtpi_preset >= 0
+            && Options::current_crtpi_preset < static_cast<int>(Options::crtpi_presets.size())) {
+            return Options::crtpi_presets[Options::current_crtpi_preset].name.c_str();
+        }
+    }
+#endif
+    return "---";
+}
+
+auto Screen::nextPreset() -> bool {
+#ifndef NO_SHADERS
+    if (!shader_backend_ || !shader_backend_->isHardwareAccelerated()) { return false; }
+    if (!Options::video.shader.enabled) { return false; }
+
+    if (Options::video.shader.current_shader == Rendering::ShaderType::POSTFX) {
+        if (Options::postfx_presets.empty()) { return false; }
+        const int N = static_cast<int>(Options::postfx_presets.size());
+        Options::current_postfx_preset = (Options::current_postfx_preset + 1) % N;
+        Options::video.shader.current_postfx_preset_name =
+            Options::postfx_presets[Options::current_postfx_preset].name;
+        applyCurrentPostFXPreset();
+    } else {
+        if (Options::crtpi_presets.empty()) { return false; }
+        const int N = static_cast<int>(Options::crtpi_presets.size());
+        Options::current_crtpi_preset = (Options::current_crtpi_preset + 1) % N;
+        Options::video.shader.current_crtpi_preset_name =
+            Options::crtpi_presets[Options::current_crtpi_preset].name;
+        applyCurrentCrtPiPreset();
+    }
+
+    const color_t GREEN = {0x00, 0xFF, 0x80};
+    const color_t BLACK = {0x00, 0x00, 0x00};
+    const Uint32 DUR_MS = 1500;
+    notify(std::string("Preset: ") + getCurrentPresetName(), GREEN, BLACK, DUR_MS);
+    return true;
+#else
+    return false;
+#endif
+}
+
+auto Screen::prevPreset() -> bool {
+#ifndef NO_SHADERS
+    if (!shader_backend_ || !shader_backend_->isHardwareAccelerated()) { return false; }
+    if (!Options::video.shader.enabled) { return false; }
+
+    if (Options::video.shader.current_shader == Rendering::ShaderType::POSTFX) {
+        if (Options::postfx_presets.empty()) { return false; }
+        const int N = static_cast<int>(Options::postfx_presets.size());
+        Options::current_postfx_preset = (Options::current_postfx_preset - 1 + N) % N;
+        Options::video.shader.current_postfx_preset_name =
+            Options::postfx_presets[Options::current_postfx_preset].name;
+        applyCurrentPostFXPreset();
+    } else {
+        if (Options::crtpi_presets.empty()) { return false; }
+        const int N = static_cast<int>(Options::crtpi_presets.size());
+        Options::current_crtpi_preset = (Options::current_crtpi_preset - 1 + N) % N;
+        Options::video.shader.current_crtpi_preset_name =
+            Options::crtpi_presets[Options::current_crtpi_preset].name;
+        applyCurrentCrtPiPreset();
+    }
+
+    const color_t GREEN = {0x00, 0xFF, 0x80};
+    const color_t BLACK = {0x00, 0x00, 0x00};
+    const Uint32 DUR_MS = 1500;
+    notify(std::string("Preset: ") + getCurrentPresetName(), GREEN, BLACK, DUR_MS);
+    return true;
+#else
+    return false;
+#endif
+}
diff --git a/source/core/rendering/screen.h b/source/core/rendering/screen.h
index 5865257..f8c9cf2 100644
--- a/source/core/rendering/screen.h
+++ b/source/core/rendering/screen.h
@@ -63,8 +63,6 @@ class Screen {
     // GPU / shaders (post-procesado). En builds con NO_SHADERS (Emscripten) son no-op.
     void initShaders();                     // Crea el backend GPU si no existe y lo inicializa
     void shutdownShaders();                 // Libera el backend GPU
-    void setGpuAcceleration(bool enabled);  // Crea/destruye el backend según valor, persiste options
-    void toggleGpuAcceleration();           // Alterna aceleración GPU
     auto isGpuAccelerated() const -> bool;  // true si el backend existe y reporta hardware OK
     void setShaderEnabled(bool enabled);    // Activa o desactiva el post-procesado (persiste)
     void toggleShaderEnabled();             // Alterna post-procesado
@@ -75,6 +73,14 @@ class Screen {
 #endif
     void toggleActiveShader();  // Alterna POSTFX ↔ CRTPI
 
+    // Presets de shaders (PostFX/CrtPi). Operen sobre el shader actiu.
+    // Retornen false si GPU off / shaders off / llista buida (igual que a aee_plus).
+    auto nextPreset() -> bool;
+    auto prevPreset() -> bool;
+    auto getCurrentPresetName() const -> const char*;
+    void applyCurrentPostFXPreset();  // Escriu el preset PostFX actiu al backend
+    void applyCurrentCrtPiPreset();   // Escriu el preset CrtPi actiu al backend
+
    private:
     // Helpers internos de setVideoMode
     void applyFullscreen(bool fullscreen);           // SDL_SetWindowFullscreen + visibilidad del cursor
diff --git a/source/core/system/director.cpp b/source/core/system/director.cpp
index 5876464..994ab21 100644
--- a/source/core/system/director.cpp
+++ b/source/core/system/director.cpp
@@ -64,6 +64,12 @@ Director::Director(int argc, const char *argv[]) {
     Options::setConfigFile(systemFolder + "/config.yaml");
     Options::loadFromFile();
 
+    // Presets de shaders (creats amb defaults si no existeixen).
+    Options::setPostFXFile(systemFolder + "/postfx.yaml");
+    Options::loadPostFXFromFile();
+    Options::setCrtPiFile(systemFolder + "/crtpi.yaml");
+    Options::loadCrtPiFromFile();
+
     // Inicializa el sistema de recursos (pack + fallback).
     // En wasm siempre se usa filesystem (MEMFS) porque el propio --preload-file
     // de emscripten ya empaqueta data/ — no hay resources.pack.
@@ -202,7 +208,8 @@ void Director::initInput() {
     input->bindKey(input_window_dec_size, SDL_SCANCODE_F1);
     input->bindKey(input_window_inc_size, SDL_SCANCODE_F2);
     input->bindKey(input_window_fullscreen, SDL_SCANCODE_F3);
-    input->bindKey(input_toggle_gpu, SDL_SCANCODE_F9);
+    input->bindKey(input_prev_preset, SDL_SCANCODE_F8);
+    input->bindKey(input_next_preset, SDL_SCANCODE_F9);
     input->bindKey(input_toggle_shader, SDL_SCANCODE_F10);
     input->bindKey(input_toggle_shader_type, SDL_SCANCODE_F11);
 
diff --git a/source/game/game.cpp b/source/game/game.cpp
index 4c5cd04..921f2c6 100644
--- a/source/game/game.cpp
+++ b/source/game/game.cpp
@@ -8,6 +8,7 @@
 #include <iostream>   // for basic_ostream, char_traits, operator<<
 
 #include "core/audio/jail_audio.hpp"      // for JA_PlaySound, JA_DeleteSound, JA_LoadSound
+#include "core/input/global_inputs.hpp"   // for GlobalInputs::handle
 #include "core/input/input.h"             // for inputs_e, Input, REPEAT_TRUE, REPEAT_FALSE
 #include "core/locale/lang.h"             // for Lang
 #include "core/rendering/fade.h"          // for Fade, FADE_CENTER
@@ -2517,30 +2518,8 @@ void Game::checkGameInput() {
     demo.keys.fireLeft = 0;
     demo.keys.fireRight = 0;
 
-    // Comprueba las teclas de cambiar el tamaño de la centana y el modo de video
-    if (input->checkInput(input_window_fullscreen, REPEAT_FALSE)) {
-        screen->toggleVideoMode();
-    }
-
-    else if (input->checkInput(input_window_dec_size, REPEAT_FALSE)) {
-        screen->decWindowZoom();
-    }
-
-    else if (input->checkInput(input_window_inc_size, REPEAT_FALSE)) {
-        screen->incWindowZoom();
-    }
-
-    else if (input->checkInput(input_toggle_gpu, REPEAT_FALSE)) {
-        screen->toggleGpuAcceleration();
-    }
-
-    else if (input->checkInput(input_toggle_shader, REPEAT_FALSE)) {
-        screen->toggleShaderEnabled();
-    }
-
-    else if (input->checkInput(input_toggle_shader_type, REPEAT_FALSE)) {
-        screen->toggleActiveShader();
-    }
+    // Atalls globals (zoom finestra, fullscreen, shaders, presets, ...)
+    GlobalInputs::handle(screen, input);
 
     // Modo Demo activo
     if (demo.enabled) {
diff --git a/source/game/options.cpp b/source/game/options.cpp
index 432fa29..9355d01 100644
--- a/source/game/options.cpp
+++ b/source/game/options.cpp
@@ -22,6 +22,14 @@ namespace Options {
     Settings settings;
     std::vector<input_t> inputs;
 
+    std::vector<PostFXPreset> postfx_presets;
+    std::string postfx_file_path;
+    int current_postfx_preset = 0;
+
+    std::vector<CrtPiPreset> crtpi_presets;
+    std::string crtpi_file_path;
+    int current_crtpi_preset = 0;
+
     // --- Helpers locals ---
     namespace {
         void parseBoolField(const fkyaml::node &node, const std::string &key, bool &target) {
@@ -339,4 +347,212 @@ namespace Options {
         return true;
     }
 
+    // ========================================================================
+    // Presets de shaders (postfx.yaml / crtpi.yaml)
+    //
+    // Els defaults viuen en una única font (defaultPostFXPresets / defaultCrtPiPresets).
+    // Generem el YAML a partir d'ells el primer cop i els usem també com a
+    // fallback si el YAML és absent o corrupte. Si algú toca els valors, ho fa
+    // en un sol lloc.
+    // ========================================================================
+
+    namespace {
+        void parseFloatField(const fkyaml::node &node, const std::string &key, float &target) {
+            if (node.contains(key)) {
+                try {
+                    target = node[key].get_value<float>();
+                } catch (...) {}
+            }
+        }
+
+        auto defaultPostFXPresets() -> const std::vector<PostFXPreset> & {
+            static const std::vector<PostFXPreset> DEFAULTS = {
+                {"CRT", 0.6F, 0.7F, 0.15F, 0.6F, 0.8F},
+                {"NTSC", 0.4F, 0.5F, 0.2F, 0.4F, 0.5F, 0.0F, 0.6F},
+                {"CURVED", 0.5F, 0.6F, 0.1F, 0.5F, 0.7F, 0.8F},
+                {"SCANLINES", 0.0F, 0.8F},
+                {"SUBTLE", 0.3F, 0.4F, 0.05F, 0.0F, 0.3F},
+                {"CRT LIVE", 0.5F, 0.6F, 0.3F, 0.3F, 0.4F, 0.3F, 0.4F, 0.8F},
+            };
+            return DEFAULTS;
+        }
+
+        auto defaultCrtPiPresets() -> const std::vector<CrtPiPreset> & {
+            static const std::vector<CrtPiPreset> DEFAULTS = {
+                {"Default", 6.0F, 0.12F, 3.5F, 2.4F, 2.2F, 0.80F, 0.05F, 0.10F, 2, true, true, true, false, false},
+                {"Curved", 6.0F, 0.12F, 3.5F, 2.4F, 2.2F, 0.80F, 0.05F, 0.10F, 2, true, true, true, true, false},
+                {"Sharp", 6.0F, 0.12F, 3.5F, 2.4F, 2.2F, 0.80F, 0.05F, 0.10F, 2, true, false, true, false, true},
+                {"Minimal", 8.0F, 0.05F, 2.0F, 2.4F, 2.2F, 1.00F, 0.0F, 0.0F, 0, true, false, false, false, false},
+            };
+            return DEFAULTS;
+        }
+
+        void writePostFXDefaults(std::ostream &out) {
+            out << "# Coffee Crisis - PostFX Shader Presets\n\n";
+            out << "presets:\n";
+            for (const auto &p : defaultPostFXPresets()) {
+                out << "  - name: \"" << p.name << "\"\n";
+                out << "    vignette: " << p.vignette << "\n";
+                out << "    scanlines: " << p.scanlines << "\n";
+                out << "    chroma: " << p.chroma << "\n";
+                out << "    mask: " << p.mask << "\n";
+                out << "    gamma: " << p.gamma << "\n";
+                out << "    curvature: " << p.curvature << "\n";
+                out << "    bleeding: " << p.bleeding << "\n";
+                out << "    flicker: " << p.flicker << "\n";
+            }
+        }
+
+        void writeCrtPiDefaults(std::ostream &out) {
+            out << "# Coffee Crisis - CrtPi Shader Presets\n\n";
+            out << "presets:\n";
+            for (const auto &p : defaultCrtPiPresets()) {
+                out << "  - name: \"" << p.name << "\"\n";
+                out << "    scanline_weight: " << p.scanline_weight << "\n";
+                out << "    scanline_gap_brightness: " << p.scanline_gap_brightness << "\n";
+                out << "    bloom_factor: " << p.bloom_factor << "\n";
+                out << "    input_gamma: " << p.input_gamma << "\n";
+                out << "    output_gamma: " << p.output_gamma << "\n";
+                out << "    mask_brightness: " << p.mask_brightness << "\n";
+                out << "    curvature_x: " << p.curvature_x << "\n";
+                out << "    curvature_y: " << p.curvature_y << "\n";
+                out << "    mask_type: " << p.mask_type << "\n";
+                out << "    enable_scanlines: " << boolToString(p.enable_scanlines) << "\n";
+                out << "    enable_multisample: " << boolToString(p.enable_multisample) << "\n";
+                out << "    enable_gamma: " << boolToString(p.enable_gamma) << "\n";
+                out << "    enable_curvature: " << boolToString(p.enable_curvature) << "\n";
+                out << "    enable_sharper: " << boolToString(p.enable_sharper) << "\n";
+            }
+        }
+    }  // namespace
+
+    void setPostFXFile(const std::string &path) {
+        postfx_file_path = path;
+    }
+
+    auto loadPostFXFromFile() -> bool {
+        postfx_presets.clear();
+        current_postfx_preset = 0;
+
+        std::ifstream file(postfx_file_path);
+        if (!file.is_open()) {
+            // No existeix: escriu el YAML a partir dels defaults i copia'ls a memòria.
+            std::ofstream out(postfx_file_path);
+            if (out.is_open()) {
+                writePostFXDefaults(out);
+                out.close();
+            }
+            postfx_presets = defaultPostFXPresets();
+            return true;
+        }
+
+        const std::string CONTENT((std::istreambuf_iterator<char>(file)),
+            std::istreambuf_iterator<char>());
+        file.close();
+
+        try {
+            auto yaml = fkyaml::node::deserialize(CONTENT);
+            if (yaml.contains("presets")) {
+                for (const auto &p : yaml["presets"]) {
+                    PostFXPreset preset;
+                    if (p.contains("name")) {
+                        try { preset.name = p["name"].get_value<std::string>(); } catch (...) {}
+                    }
+                    parseFloatField(p, "vignette", preset.vignette);
+                    parseFloatField(p, "scanlines", preset.scanlines);
+                    parseFloatField(p, "chroma", preset.chroma);
+                    parseFloatField(p, "mask", preset.mask);
+                    parseFloatField(p, "gamma", preset.gamma);
+                    parseFloatField(p, "curvature", preset.curvature);
+                    parseFloatField(p, "bleeding", preset.bleeding);
+                    parseFloatField(p, "flicker", preset.flicker);
+                    postfx_presets.push_back(preset);
+                }
+            }
+            std::cout << "PostFX loaded: " << postfx_presets.size() << " preset(s)\n";
+        } catch (const fkyaml::exception &e) {
+            std::cout << "Error parsing PostFX YAML: " << e.what() << ". Using defaults.\n";
+            postfx_presets = defaultPostFXPresets();
+            return false;
+        }
+
+        if (postfx_presets.empty()) {
+            postfx_presets = defaultPostFXPresets();
+        }
+        return true;
+    }
+
+    void setCrtPiFile(const std::string &path) {
+        crtpi_file_path = path;
+    }
+
+    auto loadCrtPiFromFile() -> bool {
+        crtpi_presets.clear();
+        current_crtpi_preset = 0;
+
+        std::ifstream file(crtpi_file_path);
+        if (!file.is_open()) {
+            std::ofstream out(crtpi_file_path);
+            if (out.is_open()) {
+                writeCrtPiDefaults(out);
+                out.close();
+            }
+            crtpi_presets = defaultCrtPiPresets();
+            return true;
+        }
+
+        const std::string CONTENT((std::istreambuf_iterator<char>(file)),
+            std::istreambuf_iterator<char>());
+        file.close();
+
+        try {
+            auto yaml = fkyaml::node::deserialize(CONTENT);
+            if (yaml.contains("presets")) {
+                for (const auto &p : yaml["presets"]) {
+                    CrtPiPreset preset;
+                    if (p.contains("name")) {
+                        try { preset.name = p["name"].get_value<std::string>(); } catch (...) {}
+                    }
+                    parseFloatField(p, "scanline_weight", preset.scanline_weight);
+                    parseFloatField(p, "scanline_gap_brightness", preset.scanline_gap_brightness);
+                    parseFloatField(p, "bloom_factor", preset.bloom_factor);
+                    parseFloatField(p, "input_gamma", preset.input_gamma);
+                    parseFloatField(p, "output_gamma", preset.output_gamma);
+                    parseFloatField(p, "mask_brightness", preset.mask_brightness);
+                    parseFloatField(p, "curvature_x", preset.curvature_x);
+                    parseFloatField(p, "curvature_y", preset.curvature_y);
+                    if (p.contains("mask_type")) {
+                        try { preset.mask_type = p["mask_type"].get_value<int>(); } catch (...) {}
+                    }
+                    if (p.contains("enable_scanlines")) {
+                        try { preset.enable_scanlines = p["enable_scanlines"].get_value<bool>(); } catch (...) {}
+                    }
+                    if (p.contains("enable_multisample")) {
+                        try { preset.enable_multisample = p["enable_multisample"].get_value<bool>(); } catch (...) {}
+                    }
+                    if (p.contains("enable_gamma")) {
+                        try { preset.enable_gamma = p["enable_gamma"].get_value<bool>(); } catch (...) {}
+                    }
+                    if (p.contains("enable_curvature")) {
+                        try { preset.enable_curvature = p["enable_curvature"].get_value<bool>(); } catch (...) {}
+                    }
+                    if (p.contains("enable_sharper")) {
+                        try { preset.enable_sharper = p["enable_sharper"].get_value<bool>(); } catch (...) {}
+                    }
+                    crtpi_presets.push_back(preset);
+                }
+            }
+            std::cout << "CrtPi loaded: " << crtpi_presets.size() << " preset(s)\n";
+        } catch (const fkyaml::exception &e) {
+            std::cout << "Error parsing CrtPi YAML: " << e.what() << ". Using defaults.\n";
+            crtpi_presets = defaultCrtPiPresets();
+            return false;
+        }
+
+        if (crtpi_presets.empty()) {
+            crtpi_presets = defaultCrtPiPresets();
+        }
+        return true;
+    }
+
 }  // namespace Options
diff --git a/source/game/options.hpp b/source/game/options.hpp
index a162835..0e6f25d 100644
--- a/source/game/options.hpp
+++ b/source/game/options.hpp
@@ -88,6 +88,38 @@ namespace Options {
         std::string config_file;
     };
 
+    // Preset PostFX
+    struct PostFXPreset {
+        std::string name;
+        float vignette{0.0F};
+        float scanlines{0.0F};
+        float chroma{0.0F};
+        float mask{0.0F};
+        float gamma{0.0F};
+        float curvature{0.0F};
+        float bleeding{0.0F};
+        float flicker{0.0F};
+    };
+
+    // Preset CrtPi
+    struct CrtPiPreset {
+        std::string name;
+        float scanline_weight{6.0F};
+        float scanline_gap_brightness{0.12F};
+        float bloom_factor{3.5F};
+        float input_gamma{2.4F};
+        float output_gamma{2.2F};
+        float mask_brightness{0.80F};
+        float curvature_x{0.05F};
+        float curvature_y{0.10F};
+        int mask_type{2};
+        bool enable_scanlines{true};
+        bool enable_multisample{true};
+        bool enable_gamma{true};
+        bool enable_curvature{false};
+        bool enable_sharper{false};
+    };
+
     // --- Variables globales ---
     extern Window window;
     extern Video video;
@@ -96,10 +128,26 @@ namespace Options {
     extern Settings settings;
     extern std::vector<input_t> inputs;  // [0]=KEYBOARD, [1]=GAMECONTROLLER per defecte
 
+    // Presets de shaders (carregats de postfx.yaml / crtpi.yaml al config folder)
+    extern std::vector<PostFXPreset> postfx_presets;
+    extern std::string postfx_file_path;
+    extern int current_postfx_preset;  // Índex dins `postfx_presets`
+
+    extern std::vector<CrtPiPreset> crtpi_presets;
+    extern std::string crtpi_file_path;
+    extern int current_crtpi_preset;  // Índex dins `crtpi_presets`
+
     // --- Funciones ---
     void init();                                       // Reinicia a defaults i omple `inputs`
     void setConfigFile(const std::string &file_path);  // Ruta del config.yaml
     auto loadFromFile() -> bool;                       // Carrega el YAML; si no existeix, crea'l amb defaults
     auto saveToFile() -> bool;                         // Guarda el YAML
 
+    // Presets de shaders. Si el fitxer no existeix, l'escriu amb els defaults
+    // i deixa els presets carregats en memòria.
+    void setPostFXFile(const std::string &path);
+    auto loadPostFXFromFile() -> bool;
+    void setCrtPiFile(const std::string &path);
+    auto loadCrtPiFromFile() -> bool;
+
 }  // namespace Options
diff --git a/source/game/scenes/instructions.cpp b/source/game/scenes/instructions.cpp
index bc61938..da7efe4 100644
--- a/source/game/scenes/instructions.cpp
+++ b/source/game/scenes/instructions.cpp
@@ -6,8 +6,9 @@
 #include <iostream>   // for char_traits, basic_ostream, operator<<
 #include <string>     // for basic_string
 
-#include "core/audio/jail_audio.hpp"  // for JA_StopMusic
-#include "core/input/input.h"         // for Input, REPEAT_FALSE, inputs_e
+#include "core/audio/jail_audio.hpp"      // for JA_StopMusic
+#include "core/input/global_inputs.hpp"  // for GlobalInputs::handle
+#include "core/input/input.h"             // for Input, REPEAT_FALSE, inputs_e
 #include "core/locale/lang.h"         // for Lang
 #include "core/rendering/screen.h"    // for Screen
 #include "core/rendering/sprite.h"    // for Sprite
@@ -218,33 +219,12 @@ void Instructions::checkInput() {
     if (input->checkInput(input_exit, REPEAT_FALSE)) {
         quitRequested = true;
         finished = true;
-    } else
+        return;
+    }
 #endif
-        if (input->checkInput(input_window_fullscreen, REPEAT_FALSE)) {
-        screen->toggleVideoMode();
-    }
+    if (GlobalInputs::handle(screen, input)) { return; }
 
-    else if (input->checkInput(input_window_dec_size, REPEAT_FALSE)) {
-        screen->decWindowZoom();
-    }
-
-    else if (input->checkInput(input_window_inc_size, REPEAT_FALSE)) {
-        screen->incWindowZoom();
-    }
-
-    else if (input->checkInput(input_toggle_gpu, REPEAT_FALSE)) {
-        screen->toggleGpuAcceleration();
-    }
-
-    else if (input->checkInput(input_toggle_shader, REPEAT_FALSE)) {
-        screen->toggleShaderEnabled();
-    }
-
-    else if (input->checkInput(input_toggle_shader_type, REPEAT_FALSE)) {
-        screen->toggleActiveShader();
-    }
-
-    else if (input->checkInput(input_pause, REPEAT_FALSE) || input->checkInput(input_accept, REPEAT_FALSE) || input->checkInput(input_fire_left, REPEAT_FALSE) || input->checkInput(input_fire_center, REPEAT_FALSE) || input->checkInput(input_fire_right, REPEAT_FALSE)) {
+    if (input->checkInput(input_pause, REPEAT_FALSE) || input->checkInput(input_accept, REPEAT_FALSE) || input->checkInput(input_fire_left, REPEAT_FALSE) || input->checkInput(input_fire_center, REPEAT_FALSE) || input->checkInput(input_fire_right, REPEAT_FALSE)) {
         if (mode == m_auto) {
             finished = true;
         } else {
diff --git a/source/game/scenes/intro.cpp b/source/game/scenes/intro.cpp
index 5310de3..082eabd 100644
--- a/source/game/scenes/intro.cpp
+++ b/source/game/scenes/intro.cpp
@@ -4,8 +4,9 @@
 
 #include <string>  // for basic_string
 
-#include "core/audio/jail_audio.hpp"     // for JA_StopMusic, JA_DeleteMusic, JA_LoadMusic
-#include "core/input/input.h"            // for Input, REPEAT_FALSE, inputs_e
+#include "core/audio/jail_audio.hpp"      // for JA_StopMusic, JA_DeleteMusic, JA_LoadMusic
+#include "core/input/global_inputs.hpp"  // for GlobalInputs::handle
+#include "core/input/input.h"             // for Input, REPEAT_FALSE, inputs_e
 #include "core/locale/lang.h"            // for Lang
 #include "core/rendering/screen.h"       // for Screen
 #include "core/rendering/smartsprite.h"  // for SmartSprite
@@ -194,33 +195,12 @@ void Intro::checkInput() {
 #ifndef __EMSCRIPTEN__
     if (input->checkInput(input_exit, REPEAT_FALSE)) {
         section->name = SECTION_PROG_QUIT;
-    } else
+        return;
+    }
 #endif
-        if (input->checkInput(input_window_fullscreen, REPEAT_FALSE)) {
-        screen->toggleVideoMode();
-    }
+    if (GlobalInputs::handle(screen, input)) { return; }
 
-    else if (input->checkInput(input_window_dec_size, REPEAT_FALSE)) {
-        screen->decWindowZoom();
-    }
-
-    else if (input->checkInput(input_window_inc_size, REPEAT_FALSE)) {
-        screen->incWindowZoom();
-    }
-
-    else if (input->checkInput(input_toggle_gpu, REPEAT_FALSE)) {
-        screen->toggleGpuAcceleration();
-    }
-
-    else if (input->checkInput(input_toggle_shader, REPEAT_FALSE)) {
-        screen->toggleShaderEnabled();
-    }
-
-    else if (input->checkInput(input_toggle_shader_type, REPEAT_FALSE)) {
-        screen->toggleActiveShader();
-    }
-
-    else if (input->checkInput(input_pause, REPEAT_FALSE) || input->checkInput(input_accept, REPEAT_FALSE) || input->checkInput(input_fire_left, REPEAT_FALSE) || input->checkInput(input_fire_center, REPEAT_FALSE) || input->checkInput(input_fire_right, REPEAT_FALSE)) {
+    if (input->checkInput(input_pause, REPEAT_FALSE) || input->checkInput(input_accept, REPEAT_FALSE) || input->checkInput(input_fire_left, REPEAT_FALSE) || input->checkInput(input_fire_center, REPEAT_FALSE) || input->checkInput(input_fire_right, REPEAT_FALSE)) {
         JA_StopMusic();
         section->name = SECTION_PROG_TITLE;
         section->subsection = SUBSECTION_TITLE_1;
diff --git a/source/game/scenes/logo.cpp b/source/game/scenes/logo.cpp
index 4056217..2fd7fdc 100644
--- a/source/game/scenes/logo.cpp
+++ b/source/game/scenes/logo.cpp
@@ -5,9 +5,10 @@
 #include <algorithm>  // for min
 #include <string>     // for basic_string
 
-#include "core/audio/jail_audio.hpp"  // for JA_StopMusic
-#include "core/input/input.h"         // for Input, REPEAT_FALSE, inputs_e
-#include "core/rendering/screen.h"    // for Screen
+#include "core/audio/jail_audio.hpp"    // for JA_StopMusic
+#include "core/input/global_inputs.hpp"  // for GlobalInputs::handle
+#include "core/input/input.h"           // for Input, REPEAT_FALSE, inputs_e
+#include "core/rendering/screen.h"     // for Screen
 #include "core/rendering/sprite.h"    // for Sprite
 #include "core/rendering/texture.h"   // for Texture
 #include "core/resources/asset.h"     // for Asset
@@ -77,33 +78,12 @@ void Logo::checkInput() {
 #ifndef __EMSCRIPTEN__
     if (input->checkInput(input_exit, REPEAT_FALSE)) {
         section->name = SECTION_PROG_QUIT;
-    } else
+        return;
+    }
 #endif
-        if (input->checkInput(input_window_fullscreen, REPEAT_FALSE)) {
-        screen->toggleVideoMode();
-    }
+    if (GlobalInputs::handle(screen, input)) { return; }
 
-    else if (input->checkInput(input_window_dec_size, REPEAT_FALSE)) {
-        screen->decWindowZoom();
-    }
-
-    else if (input->checkInput(input_window_inc_size, REPEAT_FALSE)) {
-        screen->incWindowZoom();
-    }
-
-    else if (input->checkInput(input_toggle_gpu, REPEAT_FALSE)) {
-        screen->toggleGpuAcceleration();
-    }
-
-    else if (input->checkInput(input_toggle_shader, REPEAT_FALSE)) {
-        screen->toggleShaderEnabled();
-    }
-
-    else if (input->checkInput(input_toggle_shader_type, REPEAT_FALSE)) {
-        screen->toggleActiveShader();
-    }
-
-    else if (input->checkInput(input_pause, REPEAT_FALSE) || input->checkInput(input_accept, REPEAT_FALSE) || input->checkInput(input_fire_left, REPEAT_FALSE) || input->checkInput(input_fire_center, REPEAT_FALSE) || input->checkInput(input_fire_right, REPEAT_FALSE)) {
+    if (input->checkInput(input_pause, REPEAT_FALSE) || input->checkInput(input_accept, REPEAT_FALSE) || input->checkInput(input_fire_left, REPEAT_FALSE) || input->checkInput(input_fire_center, REPEAT_FALSE) || input->checkInput(input_fire_right, REPEAT_FALSE)) {
         section->name = SECTION_PROG_TITLE;
         section->subsection = SUBSECTION_TITLE_1;
     }
diff --git a/source/game/scenes/title.cpp b/source/game/scenes/title.cpp
index c0775b8..1c6e796 100644
--- a/source/game/scenes/title.cpp
+++ b/source/game/scenes/title.cpp
@@ -7,6 +7,7 @@
 #include <string>    // for basic_string, operator+, char_traits
 
 #include "core/audio/jail_audio.hpp"        // for JA_StopMusic, JA_GetMusicState, JA_Play...
+#include "core/input/global_inputs.hpp"     // for GlobalInputs::handle
 #include "core/input/input.h"               // for Input, INPUT_USE_GAMECONTROLLER, INPUT_...
 #include "core/locale/lang.h"               // for Lang, ba_BA, en_UK, es_ES
 #include "core/rendering/animatedsprite.h"  // for AnimatedSprite
@@ -643,31 +644,10 @@ void Title::checkInput() {
 #ifndef __EMSCRIPTEN__
     if (input->checkInput(input_exit, REPEAT_FALSE)) {
         section->name = SECTION_PROG_QUIT;
-    } else
+        return;
+    }
 #endif
-        if (input->checkInput(input_window_fullscreen, REPEAT_FALSE)) {
-        screen->toggleVideoMode();
-    }
-
-    else if (input->checkInput(input_window_dec_size, REPEAT_FALSE)) {
-        screen->decWindowZoom();
-    }
-
-    else if (input->checkInput(input_window_inc_size, REPEAT_FALSE)) {
-        screen->incWindowZoom();
-    }
-
-    else if (input->checkInput(input_toggle_gpu, REPEAT_FALSE)) {
-        screen->toggleGpuAcceleration();
-    }
-
-    else if (input->checkInput(input_toggle_shader, REPEAT_FALSE)) {
-        screen->toggleShaderEnabled();
-    }
-
-    else if (input->checkInput(input_toggle_shader_type, REPEAT_FALSE)) {
-        screen->toggleActiveShader();
-    }
+    GlobalInputs::handle(screen, input);
 }
 
 // Actualiza el tileado de fondo