diff -ruN a/main.py b/main.py
--- a/main.py
+++ b/main.py
@@ -1,12 +1,13 @@
+import asyncio
 import pygame
 from src import game
 
 pygame.init()
 pygame.mixer.pre_init(44100, -16, 4, 1024)
 
-def main():
+async def main():
     g1 = game.Game()
-    g1.run()
+    await g1.run()
 
 if __name__ == "__main__":
-    main()
+    asyncio.run(main())
diff -ruN a/src/game.py b/src/game.py
--- a/src/game.py
+++ b/src/game.py
@@ -1,4 +1,4 @@
-import pygame, os, random
+import pygame, os, random, asyncio, json
 from . import sprites
 from .constants import *
 
@@ -399,13 +399,14 @@
         self.level_factor += 1
         self.change_mode(MODES.Transition)
     
-    def run(self):
+    async def run(self):
         while self.on:
             self.shift_frames()
             self.handle_events()
             self.handle_input()
             self.update_logic()
             self.update_screen()
+            await asyncio.sleep(0)
 
         # Write highscores and quit
         with open("hs.json", "w") as j: json.dump(HIGHSCORES, j)