Up to move forward, left and right arrow keys for turning. Click to shoot, but wait four seconds for it to reload. You can shoot and break brown rocks, but not gray rocks. Try to hit the enemy tank 3 times, but don't get hit once.
Hope you enjoy it! It was mostly drawn in scratch, but I used the explosion from the internet. This took me a couple hours to make, and its definitely addicting ;). I might add levels or something later.