diff --git a/source/core/rendering/sdl_manager.cpp b/source/core/rendering/sdl_manager.cpp
index 114470b..61d8aa5 100644
--- a/source/core/rendering/sdl_manager.cpp
+++ b/source/core/rendering/sdl_manager.cpp
@@ -32,7 +32,7 @@ SDLManager::SDLManager()
     // Calcular mida màxima des del display
     calculateMaxWindowSize();
 
-    // Construir títol dinàmic igual que en pollo
+    // Construir títol dinàmic
     std::string window_title = std::format("{} v{} ({})", Project::LONG_NAME, Project::VERSION, Project::COPYRIGHT);
 
     // Crear finestra CENTRADA (SDL ho fa automàticament amb CENTERED)
@@ -60,6 +60,9 @@ SDLManager::SDLManager()
         return;
     }
 
+    // Aplicar configuració de V-Sync
+    SDL_SetRenderVSync(renderer_, Options::rendering.vsync);
+
     // CRÍTIC: Configurar viewport scaling
     updateLogicalPresentation();
 
@@ -122,6 +125,9 @@ SDLManager::SDLManager(int width, int height, bool fullscreen)
         return;
     }
 
+    // Aplicar configuració de V-Sync
+    SDL_SetRenderVSync(renderer_, Options::rendering.vsync);
+
     // Configurar viewport scaling
     updateLogicalPresentation();
 
@@ -343,3 +349,17 @@ void SDLManager::setWindowTitle(const std::string& title) {
         SDL_SetWindowTitle(finestra_, title.c_str());
     }
 }
+
+// [NUEVO] Toggle V-Sync (F4)
+void SDLManager::toggleVSync() {
+    // Toggle: 1 → 0 → 1
+    Options::rendering.vsync = (Options::rendering.vsync == 1) ? 0 : 1;
+
+    // Aplicar a SDL
+    if (renderer_) {
+        SDL_SetRenderVSync(renderer_, Options::rendering.vsync);
+    }
+
+    // Guardar configuració
+    Options::saveToFile();
+}
diff --git a/source/core/rendering/sdl_manager.hpp b/source/core/rendering/sdl_manager.hpp
index d49eac2..14c4128 100644
--- a/source/core/rendering/sdl_manager.hpp
+++ b/source/core/rendering/sdl_manager.hpp
@@ -26,6 +26,7 @@ class SDLManager {
         void increaseWindowSize();  // F2: +100px
         void decreaseWindowSize();  // F1: -100px
         void toggleFullscreen();    // F3
+        void toggleVSync();         // F4
         bool
         handleWindowEvent(const SDL_Event& event);  // Per a SDL_EVENT_WINDOW_RESIZED
 
diff --git a/source/game/escenes/escena_logo.hpp b/source/game/escenes/escena_logo.hpp
index 6cb5f06..92768e8 100644
--- a/source/game/escenes/escena_logo.hpp
+++ b/source/game/escenes/escena_logo.hpp
@@ -13,6 +13,7 @@
 #include "../../core/rendering/sdl_manager.hpp"
 #include "../../core/types.hpp"
 #include "../effects/debris_manager.hpp"
+#include "core/defaults.hpp"
 
 class EscenaLogo {
     public:
@@ -64,8 +65,8 @@ class EscenaLogo {
 
         // Constants d'animació seqüencial
         static constexpr float THRESHOLD_LETRA = 0.6f;         // Umbral per activar següent lletra (0.0-1.0)
-        static constexpr float ORIGEN_ZOOM_X = 640.0f / 2.0f;  // Punt inicial X del zoom (320)
-        static constexpr float ORIGEN_ZOOM_Y = 480.0f * 0.4f;  // Punt inicial Y del zoom (240)
+        static constexpr float ORIGEN_ZOOM_X = Defaults::Game::WIDTH * 0.5f;  // Punt inicial X del zoom
+        static constexpr float ORIGEN_ZOOM_Y = Defaults::Game::HEIGHT * 0.4f;  // Punt inicial Y del zoom
 
         // Mètodes privats
         void inicialitzar_lletres();
diff --git a/source/game/options.cpp b/source/game/options.cpp
index ae5cfbb..2ed7d7b 100644
--- a/source/game/options.cpp
+++ b/source/game/options.cpp
@@ -36,6 +36,9 @@ void init() {
     gameplay.max_enemies = Defaults::Entities::MAX_ORNIS;
     gameplay.max_bullets = Defaults::Entities::MAX_BALES;
 
+    // Rendering
+    rendering.vsync = Defaults::Rendering::VSYNC_DEFAULT;
+
     // Version
     version = std::string(Project::VERSION);
 }
@@ -181,6 +184,22 @@ static void loadGameplayConfigFromYaml(const fkyaml::node& yaml) {
     }
 }
 
+static void loadRenderingConfigFromYaml(const fkyaml::node& yaml) {
+    if (yaml.contains("rendering")) {
+        const auto& rend = yaml["rendering"];
+
+        if (rend.contains("vsync")) {
+            try {
+                int val = rend["vsync"].get_value<int>();
+                // Validar: només 0 o 1
+                rendering.vsync = (val == 0 || val == 1) ? val : Defaults::Rendering::VSYNC_DEFAULT;
+            } catch (...) {
+                rendering.vsync = Defaults::Rendering::VSYNC_DEFAULT;
+            }
+        }
+    }
+}
+
 // Carregar configuració des del fitxer YAML
 auto loadFromFile() -> bool {
     const std::string CONFIG_VERSION = std::string(Project::VERSION);
@@ -226,6 +245,7 @@ auto loadFromFile() -> bool {
         loadWindowConfigFromYaml(yaml);
         loadPhysicsConfigFromYaml(yaml);
         loadGameplayConfigFromYaml(yaml);
+        loadRenderingConfigFromYaml(yaml);
 
         if (console) {
             std::cout << "Config carregada correctament des de: " << config_file_path
@@ -285,7 +305,11 @@ auto saveToFile() -> bool {
     file << "# GAMEPLAY\n";
     file << "gameplay:\n";
     file << "  max_enemies: " << gameplay.max_enemies << "\n";
-    file << "  max_bullets: " << gameplay.max_bullets << "\n";
+    file << "  max_bullets: " << gameplay.max_bullets << "\n\n";
+
+    file << "# RENDERITZACIÓ\n";
+    file << "rendering:\n";
+    file << "  vsync: " << rendering.vsync << "   # 0=disabled, 1=enabled\n";
 
     file.close();
 
diff --git a/source/game/options.hpp b/source/game/options.hpp
index c9bbcb8..001a6f6 100644
--- a/source/game/options.hpp
+++ b/source/game/options.hpp
@@ -27,6 +27,10 @@ struct Gameplay {
         int max_bullets{3};
 };
 
+struct Rendering {
+        int vsync{1};  // 0=disabled, 1=enabled
+};
+
 // Variables globals (inline per evitar ODR violations)
 
 inline std::string version{};  // Versió del config per validació
@@ -34,6 +38,7 @@ inline bool console{false};    // Eixida de debug
 inline Window window{};
 inline Physics physics{};
 inline Gameplay gameplay{};
+inline Rendering rendering{};
 
 inline std::string config_file_path{};  // Establert per setConfigFile()