right + square, left + circle, right + square, left + circle, right + square, right + square, right + square, right + square
God mode
left + cross, down + square, right + triangle, up + circle, left + cross, down + square, right + triangle, up + circle
Infinite weapons
right + cross, right + cross, left + cross, left + cross, up + circle, up + circle, down + circle, down + circle
Invulnerability
up + triangle, up + triangle, left + square, left + square, down + square, down + square, right + triangle, right + triangle
Killer weapons