Cheats and Codes for Final Doom on PSX

Invincibility Put pause the game and press Down, L2, Square, R1, Right, L1, Left, Circle.   Select the level Put pause the game and press Right, Left, R2, R1, Triangle, L1, Circle, X.   Weapons, ammo, and keys. Put pause the game and press X, Triangle, L1, Up, Down, R2, Left(2). Now all weapons, ammunition, and keys will be available.   All the lines in the map Put pause the game and press Triangle(2), L2, R2,L2,R2,R1, Square. Now all the walls will appear in the map of the current framework.   All objects in the map Put pause the game and press Triangle(2), L2, R2, L2, R2, R1, Circle. Now all the objects, including enemies, items, weapons and secret items will appear on the map.   Walls transparent Put pause the game and press L1, R2, L2, R1, Right, Triangle, X, Right. Now your character will be able to see through a wall.   PASSWORD OF THE MISSIONS: Master Level:

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

Level 2:

Mission	Password
2	7GGLPXL746
3	YZGLPX2!56
4	XHHSNYB965
5	75NK!VGZZO
6	C2253RNRML
7	NT!3JRNDCB
8	8LLT8KRV02

Level 3:

Mission	Password
10	!6PQGGJVOZ
11	WHHTNNPS65
12	O1JQYV3N34
13	5MMD72GFZ1
14	HK25JRDQNL
15	S772MKWKCF
16	78RB35L1VX
17	J226DG5PNL