| Final Doom (PlayStation) | CheatingDome.com | 
Codes
Invincable= down, L2, Square, R1, Right, L1, left, Circle.
All Weapons= x, triangle, l1, Up, Down, R2,<,<.Level 2 Codes
| 2 | 7GGLPXL746 | 
|---|
| 3 | YGZLPX2!56 | 
| 4 | XHHSNYB965 | 
| 5 | 75NK!VGZZO | 
| 6 | C2253RNRML | 
| 7 | NT!3JRNDCB | 
| 8 | 8LLT8KRV02 | 
Level 3 Codes
| 10 | !6PQGGJVOZ | 
|---|
| 11 | WHHTNNPS65 | 
| 12 | O1JQYV3N3 | 
| 13 | 5MMD72GFZ1 | 
| 14 | HK25JRDQNL | 
| 15 | S772MKWKCF | 
| 16 | 78RB35L1VX | 
| 17 | J226DG5PNL | 
Level Select
Pause the game and press: Right, Left, R2, R1, Triangle, L1, Circle, X.Map all lines
Pause the game and press: Triangle, Triangle, L2, R2, L2, R2, R1, Square. Now all walls and boundaries will appear on the map for the current stage.Map all objects
Pause the game and press: Triangle, Triangle, L2, R2, L2, R2, R1, Circle. Now all objects(including enemies), items, weapons, and secret switches will appear on the map.Master Level Codes
| Mission | Password | 
|---|
| 2 | 610QNNFT35 | 
| 3 | F!R251P1FD | 
| 4 | RBB4M6HRST | 
| 5 | QWC5CS83QS | 
| 6 | NJJ64RFRPM | 
| 7 | N1J74MYSPR | 
| 8 | 811TMQ8W64 | 
| 9 | 7KKNL7D443 | 
| 10 | 28RFDDS5YX | 
| 11 | C66YZLSGGG | 
| 12 | GR85XJVNBD | 
| 13 | C33V2DHGHK | 
Transparent Walls
Pause the game and press: L1, R2, L2, R1, Right, Triangle, X, Right. Now your character may see through one layer of wall or sprites.Weapons, Ammunition, and keys
Pause the game and press: X, Triangle, L1, Up, Down, Left, Left(twice). Now all weapons, ammunition for them, and keys for the current level will be available.