KILL THEM ALL! Click the green flag seven times for it to run correctly. V.3.121.51.7
You should upgrade the canon guy a lot, or you will lose. Upgrade the wall a lot as well. If there are a lot of enemies on screen it will cause the game to lag a lot. The way to fix that lag is by using the fire wizard. If you deal more damage to an enemy than they have health it will reset their health to max.
