Invincibility Pause the game and press Down, L2, Square, R1, Right, L1, Left, Circle. If you entered the code correctly, a message will appear on the bottom of the viewing window and will disappear the game is resumed. Your character will be invincible, however unlike the invulnerability power-up, your screen will not turn white.
Level Passwords
Level
Health
Armor
Weapons
Password
Title
Ultimate Doom
02
125%
200%
All
CR!3WDD3DB
Plant
03
200%
200%
All
3JJCMK8W64
Toxin Refinery
04
200%
200%
All
03LTJ0Y!02
Command Control
05
200%
200%
All
H33!1HFTHK
Phobos Lab
06
200%
200%
All
04MSKZX9Z1
Central Processing
07
125%
200%
All
YTTLCXXLXV
Computer Station
08
200%
200%
All
09SMBY04YW
Phobos Anomaly
09
200%
200%
All
7KKBLD7V53
Diemos Anomaly
10
100%
200%
All
FM4217GSGJ
Containment Area
11
200%
200%
All
H!!3WDGLDB
Refinery
12
200%
200%
All
07QPDW26WY
Deimos Lab
13
350%
150%
12346
WTXQ9C3W12
Command Center
14
100%
200%
123456
RBR4G!LDLN
Halls of the Damned
15
300%
175%
1236
WTXQ9C3W11
Spawning Vats
16
50%
75%
1234567
548C7DFWYX
Hell Gate
17
100%
125%
1234567
JOC89DZPQS
Hell Keep
18
100%
125%
1234567
JGB9CT0NRT
Pandemonium
19
100%
200%
All
9QLTKR0!02
House of Pain
20
100%
200%
All
78M63QX921
Unholy Cathedral
21
200%
200%
All
S!61FHVQJG
Mt. Erebus
22
200%
200%
All
33QHFTT6WY
Limbo
23
200%
200%
All
VBGQPJ!Y46
Tower of Babel
24
200%
200%
All
ZYKTLW7V53
Hell Beneath
25
200%
200%
All
0DJSM4HW64
Perfect Hatred
26
200%
200%
All
LS5YPTCRKH
Sever the Wicked
27
200%
200%
All
ZDJSMVRW64
Unruly Evil
28
200%
200%
All
1YKTX4QV53
Unto the Cruel
29
200%
200%
All
XKF6R8LZ97
Twilight Descends
30
200%
200%
All
DJX07Q4HTR
Threshold of Pain
Doom II
31
200%
200%
All
C0W1!QNJQS
Entryway
32
125%
200%
All
VM!3V1D3DB
Underhalls
33
150%
200%
All
W394W2DMFC
The Gantlet
34
150%
200%
All
ZQ58ZKJRKH
The Focus
35
175%
200%
All
Z758ZKJ8KH
The Waste Tunnels
36
200%
200%
All
5C2V3DQBNL
The Crusher
37
200%
200%
All
NCKBLX7V53
Dead Simple
38
200%
200%
All
1Q580FCRKH
Tricks and Traps
39
100%
200%
All
HTMSKZZ9Z1
The Pit
40
200%
200%
All
WS58ZKCRKH
Refueling Base
41
200%
200%
All
CSNRG2W820
O of Destruction!
42
200%
200%
All
WT670JBQJG
The Factory
43
200%
200%
All
DQLTJ1Y!02
The Inmost Dens
44
100%
200%
All
2N94VFFMFC
The Suburbs
45
200%
200%
All
CQLTJ0Y!02
Tenements
46
200%
200%
All
WR492GDSGJ
The Courtyard
47
200%
200%
All
PFFGXH3777
The Citadel
48
200%
200%
All
JWCJV2X479
Nirvana
49
200%
200%
All
CJJTM35964
The Catacombs
50
200%
200%
All
M!T174XZXV
Barrels of Fun
51
200%
200%
All
5770MX2CDF
Bloodfalls
52
200%
200%
All
YJLW3PPCPM
The Abandoned Mines
53
200%
200%
All
DKKBLM58J3
Monster Condo
54
200%
125%
All
7L3!266DJK
Redemption Denied
Bonus levels
55
150%
0%
All
BBBBBBB666
Fortress of Mystery
56
200%
200%
All
3P67ZNBQJG
The Military Base
57
100%
0%
1235678
JCGDNFL555
The Marshes
58
250%
25%
All
BXXBXXB778
The Mansion
59
150%
25%
All
JCGDNFL556
Club Doom
Level Select Pause the game and press Right, Left, R2, R1, Triangle, L1, Circle, X. If you entered the code correctly, a menu will appear in the top half of the viewing window. Press Left and Right to select a level, and confirm your entry with Square, Circle, Triangle, or X.
Map All Items Pause the game and press Triangle(2), L2, R2, L2, R2, R1, Circle. If you entered the code correctly, a message will appear on the bottom of the viewing window and will disappear the game is resumed. All objects including enemies, items, weapons, and secret switches will appear on the map as blue triangles.
Map All Lines Pause the game and press Triangle(2), L2, R2, L2, R2, R1, Square. If you entered the code correctly, a message will appear on the bottom of the viewing window and will disappear the game is resumed. All walls and boundaries will appear on the map for the current stage.
Play In Linked Mode With Only One Disc
Note: Sony does not recommend removing a spinning disc from the Playstation. Connect two Playstations with the linkcable, and power on both systems. Begin Doom on Playstation 1. Select Deathmatch or a cooperative game. Playstation 1 should try to connect to Playstation 2. Wait a few seconds, remove the disc from the Playstation 1, and start the game on Playstation 2. Enter all selections identically to Playstation 1 and begin playing.
The game will hang from time to time. At these points, swap the disc to the other Playstation after waiting a few seconds before removing the disc.
Random Levels At the password screen, enter "DOOMMNLxxx", where xxx the same character such as !!! or 666. Now the game will start at a random level with an unusual amount of ammunition, armor, and life.
Transparent Walls Pause the game and press L1, R2, L2, R1, Right, Triangle, X, Right. Now your character may now see through one layer of wall or sprites.
Weapons, Ammunition, And Keys Pause the game and press X, Triangle, L1, Up, Down, R2, Left(2). If you entered the code correctly, a message will appear on the bottom of the viewing window and will disappear the game is resumed. All weapons, ammunition for them, and keys for current level will be available.
X-Ray Specs Pause the game and press L1, R2, L2, R1, Right, Triangle, X, Right.