Tank Battle - WS to move, A/D to aim turret, Arrows to rotate
Health: 100
Score: 0
W/S or Up/Down: Move tank forward/back
Q/E: Strafe tank left/right
A/D: Rotate turret left/right
Left/Right Arrows: Rotate tank left/right
Spacebar: Shoot
I: Toggle invincibility
B: Toggle camera behind tank
C: Toggle camera follow