Keys:
Squ = Square
Tri = Triangle
O = O
Invincible mode:
During the game play, press Select to bring up the map.
Then, press L1, O, O, Squ, O, Tri, X, X, O.
Press Select (sometimes repeatedly) to go back to the game.
Maximum ammunition
During the game play, press Select to bring up the map.
Then, press L1, X, Squ, Tri, Tri, X, O, Tri, X.
Press Select (sometimes repeatedly) to go back to the game.
Unlock all weapons and psionics
During the game play, press Select to bring up the map.
Then, press L1, Squ, Tri, Squ, Squ, O, Squ, O, Tri.
Press Select (sometimes repeatedly) to go back to the game.
Maximum life
During the game play, press Select to bring up the map.
Then, press L1, Tri, X, X, O, X, Tri, Squ, Squ.
Press Select (sometimes repeatedly) to go back to the game.
Level passwords
PAL version level passwords:
Passwords - Level - Area
Squ, Squ, Tri, X, O, O, Tri, X, X, O, X, X - Level 1 - Chemical Factory
X, Tri, O, Tri, X, X, Tri, O, O, Squ, O, O - Level 2 - Rooftops
X, Tri, O, X, Tri, Squ, O, O, X, Tri, Tri, Squ - Level 3 - Jupiter Station
O, X, O, Tri, O, Squ, X, X, X, O, Squ, O - Level 4 - Triton
X, Squ, O, O, X, Tri, X, O, O, X, O, Squ - Level 5 - Mars
X, X, Tri, O, O, X, Tri, Tri, O, Squ, X, O - Level 6 - Antarctica
Tri, Tri, X, O, X, Tri, O, Squ, O, X, Squ, X - Level 7 - Io
O, Tri, X, X, Squ, O, Tri, Squ, X, O, X, Tri - Level 8 - Reactor
X, Squ, X, Tri, O, Squ, O, X, O, Tri, O, X - Level 9 - Orbiting Habitat
Tri, Squ, O, Tri, X, X, O, O, Tri, X, Tri, O - Level 10 - Dream
X, O, X, Tri, Tri, X, O, Squ, Tri, O, X, Squ - Level 11 - Prison
X, X, Squ, O, Tri, O, X, O, Squ, Tri, Tri, Tri - Level 12 - Fortress
NTSC version level passwords:
Passwords - Level - Area
Squ, Tri, X, O, O, Tri, X, X, O, Squ, X, Squ - Level 1 - Chemical Factory
X, Tri, O, O, Squ, X, Tri, O, Tri, X, Tri, Tri - Level 2 - Rooftops
O, X, Tri, Squ, Squ, Squ, X, Tri, X, Tri, Squ, Squ - Level 3 - Jupiter Station
X, O, Tri, O, Squ, X, X, X, O, O, O, Tri - Level 4 - Triton
Tri, X, O, O, X, X, Squ, O, O, X, Tri, X - Level 5 - Mars
O, O, X, Tri, Tri, O, Squ, X, X, Tri, Squ, Tri - Level 6 - Antarctica
O, Squ, Tri, X, Tri, O, X, O, X, Tri, X, X - Level 7 - Io
Squ, X, O, O, X, X, X, O, O, Tri, O, O - Level 8 - Reactor
X, O, O, X, Squ, X, Tri, O, Squ, Tri, Tri, Squ - Level 9 - Orbiting Habitat
O, Tri, X, X, O, O, X, X, Tri, O, Squ, O - Level 10 - Dream
O, Squ, Tri, O, X, Tri, X, Tri, O, X, O, Squ - Level 11 - Prison
X, X, X, O, O, Tri, O, X, O, Squ, X, O - Level 12 - Fortress
