Your goal in this fast-paced classic jump 'n shoot platform game is to step through 8 action-packed levels mowing down zombies and demons who are after your guts. Are you marine enough to visit unknown dimensions and blast your shells straight into the evil that lies beyond? Will you be able to find the secret level? This game is a tribute to the makers of DooM. Use WASD or ARROW KEYS to move around. Use 1-7 NUMBER KEYS to select weapons. Press CTRL or click LEFT MOUSE BUTTON to shoot. Press SPACEBAR to use things. Good luck!