diff --git a/source/core/resources/resource_helper.cpp b/source/core/resources/resource_helper.cpp
index ce7e587..8608733 100644
--- a/source/core/resources/resource_helper.cpp
+++ b/source/core/resources/resource_helper.cpp
@@ -163,8 +163,7 @@ auto shouldUseResourcePack(const std::string& filepath) -> bool {
     // Check if it looks like a data file (has common extensions)
     if (path.find(".ogg") != std::string::npos || path.find(".wav") != std::string::npos ||
         path.find(".gif") != std::string::npos || path.find(".png") != std::string::npos ||
-        path.find(".pal") != std::string::npos || path.find(".ani") != std::string::npos ||
-        path.find(".yaml") != std::string::npos ||
+        path.find(".pal") != std::string::npos || path.find(".yaml") != std::string::npos ||
         path.find(".txt") != std::string::npos || path.find(".glsl") != std::string::npos) {
         return true;
     }
diff --git a/source/game/gameplay/scoreboard.cpp b/source/game/gameplay/scoreboard.cpp
index 2e61c3d..e67a048 100644
--- a/source/game/gameplay/scoreboard.cpp
+++ b/source/game/gameplay/scoreboard.cpp
@@ -22,7 +22,7 @@ Scoreboard::Scoreboard(std::shared_ptr<Data> data)
 
     // Reserva memoria para los objetos
     // auto player_texture = Resource::Cache::get()->getSurface(Options::cheats.alternate_skin == Options::Cheat::State::ENABLED ? "player2.gif" : "player.gif");
-    auto player_animations = Resource::Cache::get()->getAnimations(Options::cheats.alternate_skin == Options::Cheat::State::ENABLED ? "player2.ani" : "player.ani");
+    auto player_animations = Resource::Cache::get()->getAnimations(Options::cheats.alternate_skin == Options::Cheat::State::ENABLED ? "player2.yaml" : "player.yaml");
     player_sprite_ = std::make_shared<SurfaceAnimatedSprite>(player_animations);
     player_sprite_->setCurrentAnimation("walk_menu");
 
diff --git a/source/game/scenes/credits.cpp b/source/game/scenes/credits.cpp
index 8e36687..224ff61 100644
--- a/source/game/scenes/credits.cpp
+++ b/source/game/scenes/credits.cpp
@@ -23,7 +23,7 @@
 Credits::Credits()
     : text_surface_(std::make_shared<Surface>(Options::game.width, Options::game.height)),
       cover_surface_(std::make_shared<Surface>(Options::game.width, Options::game.height)),
-      shining_sprite_(std::make_shared<SurfaceAnimatedSprite>(Resource::Cache::get()->getAnimations("shine.ani"))),
+      shining_sprite_(std::make_shared<SurfaceAnimatedSprite>(Resource::Cache::get()->getAnimations("shine.yaml"))),
       delta_timer_(std::make_unique<DeltaTimer>()) {
     // Configura la escena
     SceneManager::current = SceneManager::Scene::CREDITS;
diff --git a/source/game/scenes/ending2.cpp b/source/game/scenes/ending2.cpp
index 8b5e89f..eb25712 100644
--- a/source/game/scenes/ending2.cpp
+++ b/source/game/scenes/ending2.cpp
@@ -287,7 +287,7 @@ void Ending2::loadSprites() {
 
     // Carga los sprites
     for (const auto& file : sprite_list_) {
-        sprites_.emplace_back(std::make_shared<SurfaceAnimatedSprite>(Resource::Cache::get()->getAnimations(file + ".ani")));
+        sprites_.emplace_back(std::make_shared<SurfaceAnimatedSprite>(Resource::Cache::get()->getAnimations(file + ".yaml")));
         sprite_max_width_ = std::max(sprites_.back()->getWidth(), sprite_max_width_);
         sprite_max_height_ = std::max(sprites_.back()->getHeight(), sprite_max_height_);
     }
diff --git a/source/game/scenes/game.cpp b/source/game/scenes/game.cpp
index fc159a1..5b1eeec 100644
--- a/source/game/scenes/game.cpp
+++ b/source/game/scenes/game.cpp
@@ -575,7 +575,7 @@ void Game::checkEndGameCheevos() {
 
 // Inicializa al jugador
 void Game::initPlayer(const Player::SpawnData& spawn_point, std::shared_ptr<Room> room) {
-    std::string player_animations = Options::cheats.alternate_skin == Options::Cheat::State::ENABLED ? "player2.ani" : "player.ani";
+    std::string player_animations = Options::cheats.alternate_skin == Options::Cheat::State::ENABLED ? "player2.yaml" : "player.yaml";
     const Player::Data PLAYER{spawn_point, player_animations, std::move(room)};
     player_ = std::make_shared<Player>(PLAYER);
 }
diff --git a/source/game/scenes/game_over.cpp b/source/game/scenes/game_over.cpp
index 798eb98..b851ac0 100644
--- a/source/game/scenes/game_over.cpp
+++ b/source/game/scenes/game_over.cpp
@@ -21,8 +21,8 @@
 
 // Constructor
 GameOver::GameOver()
-    : player_sprite_(std::make_shared<SurfaceAnimatedSprite>(Resource::Cache::get()->getAnimations("player_game_over.ani"))),
-      tv_sprite_(std::make_shared<SurfaceAnimatedSprite>(Resource::Cache::get()->getAnimations("tv.ani"))),
+    : player_sprite_(std::make_shared<SurfaceAnimatedSprite>(Resource::Cache::get()->getAnimations("player_game_over.yaml"))),
+      tv_sprite_(std::make_shared<SurfaceAnimatedSprite>(Resource::Cache::get()->getAnimations("tv.yaml"))),
       delta_timer_(std::make_shared<DeltaTimer>()) {
     SceneManager::current = SceneManager::Scene::GAME_OVER;
     SceneManager::options = SceneManager::Options::NONE;