Cheats
During the game, pause and introduce:
Infinite ammunition: up, down, left, down, down, left, down, down, left, down, down, down, left, right.
Invincible: up, up, up, left, down, down, down, left, up, up, up, left, right.
Soldiers in low resolution: Below, down, up, up, left, down, down, down, down, down, left, up, up, left, right.
Without hud: above, up, up, up, left, top, down, left, down, up, up, left, right.
“Pady” Effects: Top, down, left, down, left, right.
Slow sounds: up, up, up, left, up, down, up, up, left, down, down, left, up, down, down, left, right.