Use YOUR MOUSE to aim and click LEFT MOUSE BUTTON to shoot. Hit SPACEBAR to start/stop reloading your cannon. Press "S" KEY to plant a mine. Use "Z", "X", "C" KEYS to detonate mines (mines can be blown up only manualy, and you can deploy up to 3 mines). Hit "D" KEY for selfdestruciton (doubles your score). Stay alive as long as possible and hit the high score.