Kinda buggy. If you left click on the screen where you can go to the next level you will her the sound of a shot. Controls aren't laggy for me. The game is not that bad. But enemy rockets fly a bit too fast i think. I think the tank should be centered on the screen because if i want to drive to south i see the enemies too late.
The graphics and the gameplay would give this game a 4/5, but there are too less different enemies. The game started to get boring after wave 8 for me.
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