diff --git a/source/engine.cpp b/source/engine.cpp
index 8131645..d62a778 100644
--- a/source/engine.cpp
+++ b/source/engine.cpp
@@ -83,6 +83,9 @@ bool Engine::initialize(int width, int height, int zoom, bool fullscreen) {
         window_zoom = 1;
     }
 
+    // Guardar zoom calculado ANTES de crear la ventana (para F1/F2/F3/F4)
+    current_window_zoom_ = window_zoom;
+
     // Calcular tamaño de ventana
     int window_width = logical_width * window_zoom;
     int window_height = logical_height * window_zoom;
@@ -108,6 +111,11 @@ bool Engine::initialize(int width, int height, int zoom, bool fullscreen) {
             std::cout << "¡No se pudo crear la ventana! Error de SDL: " << SDL_GetError() << std::endl;
             success = false;
         } else {
+            // Centrar ventana en pantalla si no está en fullscreen
+            if (!fullscreen) {
+                SDL_SetWindowPosition(window_, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED);
+            }
+
             // Crear renderizador
             renderer_ = SDL_CreateRenderer(window_, nullptr);
             if (renderer_ == nullptr) {
@@ -1161,9 +1169,10 @@ void Engine::toggleRealFullscreen() {
         current_screen_width_ = base_screen_width_;
         current_screen_height_ = base_screen_height_;
 
-        // Restaurar ventana normal
+        // Restaurar ventana normal con el zoom actual (no hardcoded)
         SDL_SetWindowFullscreen(window_, false);
-        SDL_SetWindowSize(window_, base_screen_width_ * DEFAULT_WINDOW_ZOOM, base_screen_height_ * DEFAULT_WINDOW_ZOOM);
+        SDL_SetWindowSize(window_, base_screen_width_ * current_window_zoom_, base_screen_height_ * current_window_zoom_);
+        SDL_SetWindowPosition(window_, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED);
 
         // Restaurar presentación lógica base
         SDL_SetRenderLogicalPresentation(renderer_, base_screen_width_, base_screen_height_, SDL_LOGICAL_PRESENTATION_INTEGER_SCALE);