diff --git a/source/asset.cpp b/source/asset.cpp
index 6c0a408..b53b8e0 100644
--- a/source/asset.cpp
+++ b/source/asset.cpp
@@ -9,6 +9,7 @@
 #include <stdexcept>  // Para runtime_error
 
 #include "utils.h"  // Para getFileName
+#include "resource_helper.h"  // Para ResourceHelper
 
 // Singleton
 Asset *Asset::instance = nullptr;
@@ -139,6 +140,17 @@ auto Asset::get(const std::string &filename) const -> std::string {
     return "";
 }
 
+// Carga datos del archivo usando ResourceHelper
+auto Asset::loadData(const std::string &filename) const -> std::vector<uint8_t> {
+    auto it = file_list_.find(filename);
+    if (it != file_list_.end()) {
+        return ResourceHelper::loadFile(it->second.file);
+    }
+
+    SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION, "Warning: file %s not found for data loading", filename.c_str());
+    return {};
+}
+
 // Verifica si un recurso existe
 auto Asset::exists(const std::string &filename) const -> bool {
     return file_list_.find(filename) != file_list_.end();
@@ -194,9 +206,16 @@ auto Asset::check() const -> bool {
 
 // Comprueba que existe un fichero
 auto Asset::checkFile(const std::string &path) -> bool {
-    std::ifstream file(path);
-    bool success = file.good();
-    file.close();
+    // Intentar primero con ResourceHelper
+    auto data = ResourceHelper::loadFile(path);
+    bool success = !data.empty();
+    
+    // Si no se encuentra en el pack, intentar con filesystem directo
+    if (!success) {
+        std::ifstream file(path);
+        success = file.good();
+        file.close();
+    }
 
     if (!success) {
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
diff --git a/source/asset.h b/source/asset.h
index a2a4736..2237b38 100644
--- a/source/asset.h
+++ b/source/asset.h
@@ -4,6 +4,7 @@
 #include <unordered_map>  // Para unordered_map
 #include <utility>        // Para move
 #include <vector>         // Para vector
+#include <cstdint>        // Para uint8_t
 
 // --- Clase Asset: gestor optimizado de recursos (singleton) ---
 class Asset {
@@ -33,6 +34,7 @@ class Asset {
         void add(const std::string &file_path, Type type, bool required = true, bool absolute = false);
         void loadFromFile(const std::string &config_file_path, const std::string &prefix = "", const std::string &system_folder = "");  // Con soporte para variables
         [[nodiscard]] auto get(const std::string &filename) const -> std::string;                                                       // Mantener nombre original
+        [[nodiscard]] auto loadData(const std::string &filename) const -> std::vector<uint8_t>;                                        // Carga datos del archivo
         [[nodiscard]] auto check() const -> bool;
         [[nodiscard]] auto getListByType(Type type) const -> std::vector<std::string>;
         [[nodiscard]] auto exists(const std::string &filename) const -> bool;  // Nueva función para verificar existencia
diff --git a/source/screen.cpp b/source/screen.cpp
index eaa0967..e80f554 100644
--- a/source/screen.cpp
+++ b/source/screen.cpp
@@ -224,8 +224,10 @@ void Screen::renderInfo() {
 void Screen::loadShaders() {
     if (shader_source_.empty()) {
         const std::string GLSL_FILE = param.game.game_area.rect.h == 256 ? "crtpi_256.glsl" : "crtpi_240.glsl";
-        std::ifstream f(Asset::get()->get(GLSL_FILE).c_str());
-        shader_source_ = std::string((std::istreambuf_iterator<char>(f)), std::istreambuf_iterator<char>());
+        auto data = Asset::get()->loadData(GLSL_FILE);
+        if (!data.empty()) {
+            shader_source_ = std::string(data.begin(), data.end());
+        }
     }
 }