diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4171b0c..b729a2a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -76,6 +76,7 @@ set(APP_SOURCES
     source/core/resources/palette_loader.cpp
     source/utils/easing.cpp
     source/utils/utils.cpp
+    source/game/debug_config.cpp
     source/game/options.cpp
     source/game/scenes/placeholder_input.cpp
     source/game/scenes/logo_scene.cpp
diff --git a/source/core/system/director.cpp b/source/core/system/director.cpp
index c8503d4..dd6ebc3 100644
--- a/source/core/system/director.cpp
+++ b/source/core/system/director.cpp
@@ -21,8 +21,12 @@
 #include "core/resources/resource_cache.hpp"
 #include "core/scene/scene.hpp"
 #include "core/system/event_buffer.hpp"
+#include "game/debug_config.hpp"
 #include "game/options.hpp"
 #include "game/scenes/game_scene.hpp"
+#include "game/scenes/intro_scene.hpp"
+#include "game/scenes/logo_scene.hpp"
+#include "game/scenes/title_scene.hpp"
 #include "game/ui/ui_palette.hpp"
 #include "utils/defaults.hpp"
 
@@ -91,7 +95,45 @@ Director::Director() {
     RenderInfo::get().init(Options::buildRenderInfoFrame(UiColor::RENDER_INFO_TEXT, UiColor::RENDER_INFO_SHADOW), hud_text);
     Notifier::get().init(hud_text, ui_palette);
 
-    current_scene_ = std::make_unique<GameScene>();
+    // Flux d'escenes LOGO → TITLE → INTRO → GAME. Cada placeholder rep una
+    // factory que construeix la següent, construïda bottom-up des de GAME.
+    //
+    // Release: sempre s'arranca a LOGO (el flux complet, el que veu el
+    // jugador final). Debug: s'obri `debug.yaml`; si no existeix, el creem
+    // amb `start_scene: GAME` perquè el dia a dia de gameplay no es mengi
+    // els 15 s de placeholders. L'usuari pot editar-lo a mà per escollir
+    // un punt d'entrada intermedi.
+#ifdef _DEBUG
+    const auto DEBUG_YAML = system_folder_ + "debug.yaml";
+    DebugConfig::createDefaultIfMissing(DEBUG_YAML);
+    const auto START = DebugConfig::resolveStartScene(DEBUG_YAML);
+#else
+    const auto START = DebugConfig::StartScene::LOGO;
+#endif
+    std::cout << "Director: start_scene=" << DebugConfig::toString(START) << '\n';
+
+    auto make_game = []() -> std::unique_ptr<Scene> { return std::make_unique<GameScene>(); };
+    auto make_intro = [hud_text, make_game]() -> std::unique_ptr<Scene> {
+        return std::make_unique<IntroScene>(hud_text, make_game);
+    };
+    auto make_title = [hud_text, make_intro]() -> std::unique_ptr<Scene> {
+        return std::make_unique<TitleScene>(hud_text, make_intro);
+    };
+
+    switch (START) {
+        case DebugConfig::StartScene::LOGO:
+            current_scene_ = std::make_unique<LogoScene>(hud_text, make_title);
+            break;
+        case DebugConfig::StartScene::TITLE:
+            current_scene_ = make_title();
+            break;
+        case DebugConfig::StartScene::INTRO:
+            current_scene_ = make_intro();
+            break;
+        case DebugConfig::StartScene::GAME:
+            current_scene_ = make_game();
+            break;
+    }
     last_ticks_ms_ = SDL_GetTicks();
 }
 
@@ -143,6 +185,8 @@ void Director::processEvents() {
 void Director::switchSceneIfRequested() {
     if (!current_scene_) { return; }
     if (auto next = current_scene_->nextScene()) {
+        // TODO: migrar a logger unificat (INC-03 a docs/audit-core-rendering.md).
+        std::cout << "Director: scene transition\n";
         current_scene_ = std::move(next);
     }
 }
diff --git a/source/game/debug_config.cpp b/source/game/debug_config.cpp
new file mode 100644
index 0000000..6070e59
--- /dev/null
+++ b/source/game/debug_config.cpp
@@ -0,0 +1,98 @@
+#include "game/debug_config.hpp"
+
+#include <exception>
+#include <filesystem>
+#include <fstream>
+#include <iostream>
+#include <sstream>
+#include <string>
+
+#include "external/fkyaml_node.hpp"
+
+namespace DebugConfig {
+
+    namespace {
+
+        auto readFile(const std::string& path) -> std::string {
+            std::ifstream file(path);
+            if (!file) { return {}; }
+            std::stringstream buffer;
+            buffer << file.rdbuf();
+            return buffer.str();
+        }
+
+        auto fromName(const std::string& name) -> StartScene {
+            if (name == "LOGO") { return StartScene::LOGO; }
+            if (name == "TITLE") { return StartScene::TITLE; }
+            if (name == "INTRO") { return StartScene::INTRO; }
+            if (name == "GAME") { return StartScene::GAME; }
+            return StartScene::GAME;
+        }
+
+        auto isKnown(const std::string& name) -> bool {
+            return name == "LOGO" || name == "TITLE" || name == "INTRO" || name == "GAME";
+        }
+
+    }  // namespace
+
+    auto parseStartScene(const std::string& yaml_content) -> StartScene {
+        if (yaml_content.empty()) { return StartScene::GAME; }
+        try {
+            auto yaml = fkyaml::node::deserialize(yaml_content);
+            if (!yaml.contains("start_scene")) { return StartScene::GAME; }
+            const auto RAW = yaml["start_scene"].get_value<std::string>();
+            if (!isKnown(RAW)) {
+                std::cerr << "debug.yaml: start_scene \"" << RAW << "\" invàlid, arrancant a GAME\n";
+                return StartScene::GAME;
+            }
+            return fromName(RAW);
+        } catch (const std::exception& e) {
+            std::cerr << "debug.yaml: error parsejant: " << e.what() << " — arrancant a GAME\n";
+            return StartScene::GAME;
+        }
+    }
+
+    auto resolveStartScene(const std::string& file_path) -> StartScene {
+        std::error_code error;
+        if (!std::filesystem::exists(file_path, error)) {
+            // Silenciós: la no-existència és el cas per defecte en una màquina
+            // neta, no un error. L'usuari crea el fitxer quan el necessita.
+            return StartScene::GAME;
+        }
+        const auto CONTENT = readFile(file_path);
+        if (CONTENT.empty()) {
+            std::cerr << "debug.yaml: fitxer buit a " << file_path << ", arrancant a GAME\n";
+            return StartScene::GAME;
+        }
+        return parseStartScene(CONTENT);
+    }
+
+    auto toString(StartScene scene) -> const char* {
+        switch (scene) {
+            case StartScene::LOGO:
+                return "LOGO";
+            case StartScene::TITLE:
+                return "TITLE";
+            case StartScene::INTRO:
+                return "INTRO";
+            case StartScene::GAME:
+                return "GAME";
+        }
+        return "GAME";
+    }
+
+    void createDefaultIfMissing(const std::string& file_path) {
+        std::error_code error;
+        if (std::filesystem::exists(file_path, error)) { return; }
+        std::ofstream file(file_path);
+        if (!file) {
+            std::cerr << "debug.yaml: no s'ha pogut crear " << file_path << '\n';
+            return;
+        }
+        file << "# debug.yaml — ajust personal de dev (no versionat).\n";
+        file << "# Valors vàlids: LOGO, TITLE, INTRO, GAME.\n";
+        file << "start_scene: GAME\n";
+        std::cout << "debug.yaml: creat a " << file_path << " amb start_scene=GAME\n";
+    }
+
+}  // namespace DebugConfig
diff --git a/source/game/debug_config.hpp b/source/game/debug_config.hpp
new file mode 100644
index 0000000..44dad06
--- /dev/null
+++ b/source/game/debug_config.hpp
@@ -0,0 +1,36 @@
+#pragma once
+
+#include <cstdint>
+#include <string>
+
+// Configuració personal de desenvolupament, carregada de `debug.yaml` dins la
+// carpeta de sistema (`$XDG_CONFIG_HOME/jailgames/aee_2026/debug.yaml`). No es
+// versiona: cada dev el crea a la seua màquina. Si no existeix, s'aplica el
+// valor per defecte (GAME) sense warning de nivell error.
+namespace DebugConfig {
+
+    enum class StartScene : std::uint8_t { LOGO,
+        TITLE,
+        INTRO,
+        GAME };
+
+    // Parseja un contingut YAML en cru. Si no conté `start_scene`, el valor és
+    // desconegut o el YAML és invàlid, retorna GAME. Pura: no fa I/O.
+    [[nodiscard]] auto parseStartScene(const std::string& yaml_content) -> StartScene;
+
+    // Llig el fitxer i delega a parseStartScene. Si el fitxer no existeix
+    // retorna GAME sense warning (és el cas per defecte en una màquina neta);
+    // si existeix però el valor és invàlid, imprimeix un warning i retorna
+    // GAME.
+    [[nodiscard]] auto resolveStartScene(const std::string& file_path) -> StartScene;
+
+    // Nom canònic de l'enum (útil per a logs): "LOGO" / "TITLE" / "INTRO" / "GAME".
+    [[nodiscard]] auto toString(StartScene scene) -> const char*;
+
+    // Si el fitxer no existeix, el crea amb `start_scene: GAME` (el valor
+    // per defecte pensat per al dia a dia de dev). Si ja existeix, no el
+    // toca — preservem qualsevol edició manual de l'usuari. Usat només al
+    // path de debug del Director (el binari release ignora `debug.yaml`).
+    void createDefaultIfMissing(const std::string& file_path);
+
+}  // namespace DebugConfig