diff --git a/project/level/selection/LevelSelectionScreenManager.py b/project/level/selection/LevelSelectionScreenManager.py
index c36c520..4b659be 100644
--- a/project/level/selection/LevelSelectionScreenManager.py
+++ b/project/level/selection/LevelSelectionScreenManager.py
@@ -77,9 +77,58 @@ class LevelSelectionScreenManager(ScreenManager):
             label.set_text('')
             label.click_listeners = []
 
-        for id, level in enumerate(self.levels_by_theme[self.selected_theme]):
-            self.level_labels[id].set_text(level.name)
-            self.level_labels[id].add_click_listener(lambda click: self.select_level(click, level))
+        levels = self.levels_by_theme[self.selected_theme]
+
+        if len(levels) > 0:
+            self.level_labels[0].set_text(levels[0].name)
+            self.level_labels[0].add_click_listener(
+                lambda click: self.select_level(click, levels[0])
+            )
+        if len(levels) > 1:
+            self.level_labels[1].set_text(levels[1].name)
+            self.level_labels[1].add_click_listener(
+                lambda click: self.select_level(click, levels[1])
+            )
+        if len(levels) > 2:
+            self.level_labels[2].set_text(levels[2].name)
+            self.level_labels[2].add_click_listener(
+                lambda click: self.select_level(click, levels[2])
+            )
+        if len(levels) > 3:
+            self.level_labels[3].set_text(levels[3].name)
+            self.level_labels[3].add_click_listener(
+                lambda click: self.select_level(click, levels[3])
+            )
+        if len(levels) > 4:
+            self.level_labels[4].set_text(levels[4].name)
+            self.level_labels[4].add_click_listener(
+                lambda click: self.select_level(click, levels[4])
+            )
+        if len(levels) > 5:
+            self.level_labels[5].set_text(levels[5].name)
+            self.level_labels[5].add_click_listener(
+                lambda click: self.select_level(click, levels[5])
+            )
+        if len(levels) > 6:
+            self.level_labels[6].set_text(levels[6].name)
+            self.level_labels[6].add_click_listener(
+                lambda click: self.select_level(click, levels[6])
+            )
+        if len(levels) > 7:
+            self.level_labels[7].set_text(levels[7].name)
+            self.level_labels[7].add_click_listener(
+                lambda click: self.select_level(click, levels[7])
+            )
+        if len(levels) > 8:
+            self.level_labels[8].set_text(levels[8].name)
+            self.level_labels[8].add_click_listener(
+                lambda click: self.select_level(click, levels[8])
+            )
+        if len(levels) > 9:
+            self.level_labels[9].set_text(levels[9].name)
+            self.level_labels[9].add_click_listener(
+                lambda click: self.select_level(click, levels[9])
+            )
 
     def destroy(self):
         super().destroy()
diff --git a/project/main.py b/project/main.py
index 03ffede..f22b1d6 100644
--- a/project/main.py
+++ b/project/main.py
@@ -138,7 +138,7 @@ class MainLoop:
             for event in pygame_events:
                 if event.type == pygame.QUIT:
                     pygame.quit()
-                    quit()
+                    exit()
 
             self.screen.fill((0, 0, 0))