Warning Forever

Warning Forever cheat codes: 
Possibly unknown keys to the average gamer:

Arrow Keys - Movement (duh!)
[Z]          - Shoot (as in all Japanese shooters)
[X]          - Slow down engine (to avoid shots more easily)
[D]          - Switch weapon type: This changes your concentrated
burst fire weapon into a scatter weapon, which deals
less damage than the default, but can destroy missiles
indirectly

Game Speed:
[F1]  - Faster
[F2]  - Normal
[F3]  - Fastest
[F12] - Restart WF