press start and enter any of the following:
All weopons: X, triangle, L1, up, down, R2, left, left
Complete map: triangle, triangle, L2, R2, L2, R2, R1, square
Invincibility: down, L2, square, R1, right, L1, left, circle
Items on map: triangle, triangle, L2, R2, L2, R2, R1, circle
Level warp: right, left, R2, R1, triangle, L1, circle, X
X-ray: L1, R2, L2, R1, right, triangle, X, right
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