Realy made window closable

game/screens/__init__.py

@@ -79,11 +79,12 @@ def main_loop() -> None:
     while g.screens:
         main_draw()
         for event in tcod.event.wait():
+            if event.type == 'WindowClose':
+                raise SystemExit()
             tile_event = g.context.convert_event(event)
             if g.screens:
                 _apply_screen_result(g.screens[-1].on_event(tile_event))
-            if isinstance(event, tcod.event.Quit):
-                g.screens.pop()
+
 
 def get_previous_screen(screen: Screen) -> Screen | None:
     """Return the screen before `screen` in the stack if it exists."""