diff --git a/core/simulation_engine.py b/core/simulation_engine.py
index 6180a43..e9ef2a7 100644
--- a/core/simulation_engine.py
+++ b/core/simulation_engine.py
@@ -154,6 +154,7 @@ class SimulationEngine:
             self.world.tick_all()
             self.tick_counter += 1
             self.total_ticks += 1
+            pygame.event.pump()  # Prevent event queue overflow
             if time.perf_counter() - current_time > 0.05:
                 break
         if time.perf_counter() - self.last_tps_time >= 1.0: