Use the arrow keys to switch between tunnels. Space to shoot. kill the first enemy and he will call in 2 more. Good luck. You'll need it!
1.1 - Increased enemy health, blood animation 1.2 - enemy special attacks 1.3 - Chopper 1.4 - lowered enemy health and added part two with extra enemy Future ideas : Game balancing - Lowering heal and increasing your reload time?
