diff --git a/source/manage_hiscore_table.cpp b/source/manage_hiscore_table.cpp
index 834db19..43c8ef8 100644
--- a/source/manage_hiscore_table.cpp
+++ b/source/manage_hiscore_table.cpp
@@ -3,6 +3,7 @@
 #include <SDL3/SDL.h>  // Para SDL_ReadIO, SDL_WriteIO, SDL_CloseIO, SDL_GetError, SDL_IOFromFile, SDL_LogError, SDL_LogCategory, SDL_LogInfo
 
 #include <algorithm>   // Para __sort_fn, sort
+#include <array>       // Para array
 #include <functional>  // Para identity
 #include <iterator>    // Para distance
 #include <ranges>      // Para __find_if_fn, find_if
@@ -109,117 +110,41 @@ auto ManageHiScoreTable::loadFromFile(const std::string& file_path) -> bool {
         return false;
     }
 
-    Table temp_table;  // Tabla temporal para no corromper la actual si hay errores
-    bool success = true;
-
-    // Validación 1: Verificar magic number "CCAE"
-    char magic[4];
-    if (SDL_ReadIO(file, magic, 4) != 4 || magic[0] != 'C' || magic[1] != 'C' || magic[2] != 'A' || magic[3] != 'E') {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error: Invalid magic number in %s - file may be corrupted or old format", getFileName(file_path).c_str());
+    // Validar header (magic number + version + table size)
+    if (!validateMagicNumber(file, file_path)) {
         SDL_CloseIO(file);
         clear();
         return false;
     }
 
-    // Validación 2: Verificar versión del formato
-    int version = 0;
-    if (SDL_ReadIO(file, &version, sizeof(int)) != sizeof(int)) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error: Cannot read version in %s", getFileName(file_path).c_str());
+    if (!validateVersion(file, file_path)) {
         SDL_CloseIO(file);
         clear();
         return false;
     }
 
-    if (version != FILE_VERSION) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error: Unsupported file version %d in %s (expected %d)", version, getFileName(file_path).c_str(), FILE_VERSION);
-        SDL_CloseIO(file);
-        clear();
-        return false;
-    }
-
-    // Validación 3: Leer y validar tamaño de la tabla
     int table_size = 0;
-    if (SDL_ReadIO(file, &table_size, sizeof(int)) != sizeof(int)) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error: Cannot read table size in %s", getFileName(file_path).c_str());
+    if (!readTableSize(file, file_path, table_size)) {
         SDL_CloseIO(file);
         clear();
         return false;
     }
 
-    if (table_size < 0 || table_size > MAX_TABLE_SIZE) {
-        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error: Invalid table size %d in %s (expected 0-%d)", table_size, getFileName(file_path).c_str(), MAX_TABLE_SIZE);
-        SDL_CloseIO(file);
-        clear();
-        return false;
-    }
-
-    // Leer cada entrada con validaciones
+    // Leer todas las entradas
+    Table temp_table;
+    bool success = true;
     for (int i = 0; i < table_size; ++i) {
         HiScoreEntry entry;
-
-        // Validación 4: Leer y validar puntuación
-        if (SDL_ReadIO(file, &entry.score, sizeof(int)) != sizeof(int)) {
-            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error: Cannot read score for entry %d in %s", i, getFileName(file_path).c_str());
+        if (!readEntry(file, file_path, i, entry)) {
             success = false;
             break;
         }
-
-        if (entry.score < 0 || entry.score > MAX_SCORE) {
-            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error: Invalid score %d for entry %d in %s", entry.score, i, getFileName(file_path).c_str());
-            success = false;
-            break;
-        }
-
-        // Validación 5: Leer y validar tamaño del nombre
-        int name_size = 0;
-        if (SDL_ReadIO(file, &name_size, sizeof(int)) != sizeof(int)) {
-            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error: Cannot read name size for entry %d in %s", i, getFileName(file_path).c_str());
-            success = false;
-            break;
-        }
-
-        if (name_size < 0 || name_size > MAX_NAME_SIZE) {
-            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error: Invalid name size %d for entry %d in %s", name_size, i, getFileName(file_path).c_str());
-            success = false;
-            break;
-        }
-
-        // Leer el nombre
-        std::vector<char> name_buffer(name_size + 1);
-        if (SDL_ReadIO(file, name_buffer.data(), name_size) != static_cast<size_t>(name_size)) {
-            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error: Cannot read name for entry %d in %s", i, getFileName(file_path).c_str());
-            success = false;
-            break;
-        }
-        name_buffer[name_size] = '\0';
-        entry.name = std::string(name_buffer.data());
-
-        // Validación 6: Leer one_credit_complete
-        int occ_value = 0;
-        if (SDL_ReadIO(file, &occ_value, sizeof(int)) != sizeof(int)) {
-            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error: Cannot read one_credit_complete for entry %d in %s", i, getFileName(file_path).c_str());
-            success = false;
-            break;
-        }
-        entry.one_credit_complete = (occ_value != 0);
-
         temp_table.push_back(entry);
     }
 
-    // Validación 7: Verificar checksum
+    // Verificar checksum
     if (success) {
-        unsigned int stored_checksum = 0;
-        if (SDL_ReadIO(file, &stored_checksum, sizeof(unsigned int)) != sizeof(unsigned int)) {
-            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error: Cannot read checksum in %s", getFileName(file_path).c_str());
-            success = false;
-        } else {
-            unsigned int calculated_checksum = calculateChecksum(temp_table);
-            if (stored_checksum != calculated_checksum) {
-                SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error: Checksum mismatch in %s (stored: 0x%08X, calculated: 0x%08X) - file is corrupted",
-                    getFileName(file_path).c_str(), stored_checksum, calculated_checksum);
-                success = false;
-            }
-        }
+        success = verifyChecksum(file, file_path, temp_table);
     }
 
     SDL_CloseIO(file);
@@ -236,6 +161,104 @@ auto ManageHiScoreTable::loadFromFile(const std::string& file_path) -> bool {
     return success;
 }
 
+// Métodos auxiliares privados para loadFromFile
+
+auto ManageHiScoreTable::validateMagicNumber(SDL_IOStream* file, const std::string& file_path) -> bool {
+    std::array<char, 4> magic;
+    if (SDL_ReadIO(file, magic.data(), 4) != 4 || magic[0] != 'C' || magic[1] != 'C' || magic[2] != 'A' || magic[3] != 'E') {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error: Invalid magic number in %s - file may be corrupted or old format", getFileName(file_path).c_str());
+        return false;
+    }
+    return true;
+}
+
+auto ManageHiScoreTable::validateVersion(SDL_IOStream* file, const std::string& file_path) -> bool {
+    int version = 0;
+    if (SDL_ReadIO(file, &version, sizeof(int)) != sizeof(int)) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error: Cannot read version in %s", getFileName(file_path).c_str());
+        return false;
+    }
+
+    if (version != FILE_VERSION) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error: Unsupported file version %d in %s (expected %d)", version, getFileName(file_path).c_str(), FILE_VERSION);
+        return false;
+    }
+    return true;
+}
+
+auto ManageHiScoreTable::readTableSize(SDL_IOStream* file, const std::string& file_path, int& table_size) -> bool {
+    if (SDL_ReadIO(file, &table_size, sizeof(int)) != sizeof(int)) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error: Cannot read table size in %s", getFileName(file_path).c_str());
+        return false;
+    }
+
+    if (table_size < 0 || table_size > MAX_TABLE_SIZE) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error: Invalid table size %d in %s (expected 0-%d)", table_size, getFileName(file_path).c_str(), MAX_TABLE_SIZE);
+        return false;
+    }
+    return true;
+}
+
+auto ManageHiScoreTable::readEntry(SDL_IOStream* file, const std::string& file_path, int index, HiScoreEntry& entry) -> bool {
+    // Leer y validar puntuación
+    if (SDL_ReadIO(file, &entry.score, sizeof(int)) != sizeof(int)) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error: Cannot read score for entry %d in %s", index, getFileName(file_path).c_str());
+        return false;
+    }
+
+    if (entry.score < 0 || entry.score > MAX_SCORE) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error: Invalid score %d for entry %d in %s", entry.score, index, getFileName(file_path).c_str());
+        return false;
+    }
+
+    // Leer y validar tamaño del nombre
+    int name_size = 0;
+    if (SDL_ReadIO(file, &name_size, sizeof(int)) != sizeof(int)) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error: Cannot read name size for entry %d in %s", index, getFileName(file_path).c_str());
+        return false;
+    }
+
+    if (name_size < 0 || name_size > MAX_NAME_SIZE) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error: Invalid name size %d for entry %d in %s", name_size, index, getFileName(file_path).c_str());
+        return false;
+    }
+
+    // Leer el nombre
+    std::vector<char> name_buffer(name_size + 1);
+    if (SDL_ReadIO(file, name_buffer.data(), name_size) != static_cast<size_t>(name_size)) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error: Cannot read name for entry %d in %s", index, getFileName(file_path).c_str());
+        return false;
+    }
+    name_buffer[name_size] = '\0';
+    entry.name = std::string(name_buffer.data());
+
+    // Leer one_credit_complete
+    int occ_value = 0;
+    if (SDL_ReadIO(file, &occ_value, sizeof(int)) != sizeof(int)) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error: Cannot read one_credit_complete for entry %d in %s", index, getFileName(file_path).c_str());
+        return false;
+    }
+    entry.one_credit_complete = (occ_value != 0);
+
+    return true;
+}
+
+auto ManageHiScoreTable::verifyChecksum(SDL_IOStream* file, const std::string& file_path, const Table& temp_table) -> bool {
+    unsigned int stored_checksum = 0;
+    if (SDL_ReadIO(file, &stored_checksum, sizeof(unsigned int)) != sizeof(unsigned int)) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error: Cannot read checksum in %s", getFileName(file_path).c_str());
+        return false;
+    }
+
+    unsigned int calculated_checksum = calculateChecksum(temp_table);
+    if (stored_checksum != calculated_checksum) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Error: Checksum mismatch in %s (stored: 0x%08X, calculated: 0x%08X) - file is corrupted",
+            getFileName(file_path).c_str(), stored_checksum, calculated_checksum);
+        return false;
+    }
+    return true;
+}
+
 // Calcula checksum de la tabla
 auto ManageHiScoreTable::calculateChecksum(const Table& table) -> unsigned int {
     unsigned int checksum = 0x12345678;  // Magic seed
@@ -250,7 +273,7 @@ auto ManageHiScoreTable::calculateChecksum(const Table& table) -> unsigned int {
         }
 
         // Checksum de one_credit_complete
-        checksum = ((checksum << 5) + checksum) + (entry.one_credit_complete ? 1u : 0u);
+        checksum = ((checksum << 5) + checksum) + (entry.one_credit_complete ? 1U : 0U);
     }
 
     return checksum;
@@ -263,8 +286,8 @@ auto ManageHiScoreTable::saveToFile(const std::string& file_path) -> bool {
 
     if (file != nullptr) {
         // Escribe magic number "CCAE"
-        const char magic[4] = {'C', 'C', 'A', 'E'};
-        SDL_WriteIO(file, magic, 4);
+        constexpr std::array<char, 4> MAGIC = {'C', 'C', 'A', 'E'};
+        SDL_WriteIO(file, MAGIC.data(), 4);
 
         // Escribe versión del formato
         int version = FILE_VERSION;
diff --git a/source/manage_hiscore_table.hpp b/source/manage_hiscore_table.hpp
index ff63cf1..2e99643 100644
--- a/source/manage_hiscore_table.hpp
+++ b/source/manage_hiscore_table.hpp
@@ -1,5 +1,7 @@
 #pragma once
 
+#include <SDL3/SDL.h>  // Para SDL_IOStream
+
 #include <string>  // Para std::string
 #include <vector>  // Para std::vector
 
@@ -45,6 +47,13 @@ class ManageHiScoreTable {
         Table& table_;  // Referencia a la tabla con los records
 
         // --- Métodos privados ---
-        void sort();                                         // Ordena la tabla
+        void sort();                                                        // Ordena la tabla
         static auto calculateChecksum(const Table& table) -> unsigned int;  // Calcula checksum de la tabla
+
+        // Métodos auxiliares para loadFromFile
+        auto validateMagicNumber(SDL_IOStream* file, const std::string& file_path) -> bool;
+        auto validateVersion(SDL_IOStream* file, const std::string& file_path) -> bool;
+        auto readTableSize(SDL_IOStream* file, const std::string& file_path, int& table_size) -> bool;
+        auto readEntry(SDL_IOStream* file, const std::string& file_path, int index, HiScoreEntry& entry) -> bool;
+        auto verifyChecksum(SDL_IOStream* file, const std::string& file_path, const Table& temp_table) -> bool;
 };
\ No newline at end of file
diff --git a/source/resource_loader.cpp b/source/resource_loader.cpp
index 8e7df94..dc5594d 100644
--- a/source/resource_loader.cpp
+++ b/source/resource_loader.cpp
@@ -39,7 +39,7 @@ auto ResourceLoader::initialize(const std::string& pack_file, bool enable_fallba
         }
         delete resource_pack_;
         resource_pack_ = nullptr;
-        std::cerr << "Failed to load resource pack: " << pack_file << std::endl;
+        std::cerr << "Failed to load resource pack: " << pack_file << '\n';
     }
 
     if (fallback_to_files_) {
diff --git a/source/resource_loader.hpp b/source/resource_loader.hpp
index e13185d..2446470 100644
--- a/source/resource_loader.hpp
+++ b/source/resource_loader.hpp
@@ -34,6 +34,6 @@ class ResourceLoader {
         [[nodiscard]] auto getAvailableResources() const -> std::vector<std::string>;
 
     private:
-        auto loadFromFile(const std::string& filename) -> std::vector<uint8_t>;
+        static auto loadFromFile(const std::string& filename) -> std::vector<uint8_t>;
         static auto getDataPath(const std::string& filename) -> std::string;
 };