Doom 2 Level Codes
Enter these codes in the password screen:
31 - Entryway.....C0W1!QNJQS
32 - Underhalls.....VM!3V1D3DB
33 - The Gauntlet.....W394W2DMFC
34 - The Focus.....ZQ58ZKJRKH
35 - The Waste Tunnels.....Z758ZKJ8KH
36 - The Crusher.....5C2V3DQBNL
37 - Dead Simple.....NCKBLX7V53
38 - Tricks And Traps.....1Q580FCRKH
39 - The Pit.....HTMSKZZ9Z1
40 - Refueling Base.....WS58ZKCRKH
41 - O of Destruction!.....CSNRG2W820
42 - The Factory.....WT670JBQJG
43 - The Inmost Dens.....DQLTJ1Y!02
44 - The Suburbs.....2N94VFFMFC
45 - Tenements.....CQLTJ0Y!02
46 - The Courtyard.....WR492GDSGJ
47 - The Citadel.....PFFGXH3777
48 - Nirvana.....JWCJV2X479
49 - The Catacombs.....CJJTM35964
50 - Barrels Of Fun.....M!T174XZXV
51 - Bloodfalls.....5770MX2CDF
52 - The Abandoned Mines.....YJLW3PPCPM
53 - Monster Condo.....DKKBLM58J3
54 - Redemption Denied.....7L3!266DJK
God Mode
Anytime in the game, pause and press Down, L2, Square, R1, Right, L1, Left, O.
Maps Cheat
Pause the game and enter Triangle, Triangle, L2, R2, L2, R2, R1, Square for maps with all the lines drawn in.
Maps Cheat 2
Pause the game and enter Triangle,Triangle, L2, R2, L2, R2, R1, O to show the location of all items on the map.
Maximum Ammo
Pause the game and press X, Triangle, L1, Up, Down, R2, Left, Left. This code will also give you all the keys.
Original Doom Level Codes
Enter the following level codes:
2 - Plant.....CR!3WDD3DB
3 - Toxin Refinery.....3JJCMK8W64
4 - Command Control.....03LTJ0Y!02
5 - Phobos Lab.....H33!1HFTHK
6 - Central Processing.....04MSKZX9Z1
7 - Computer Station.....YTTLCXXLXV
8 - Phobos Anomaly.....09SMBY04YW
9 - Deimos Anomaly.....7KKBLD7V53
10 - Containment Area.....FM4217GSGJ
11 - Refinery.....H!!3WDGLDB
12 - Deimos Lab.....07QPDW26WY
13 - Command Center.....WTXQ9C3W12
14 - Hall Of The Damned.....RBR4G!LDLN
15 - Spawning Vats.....WTXQ9C3W11
16 - Hell Gate.....548C7DFWYX
17 - Hell Keep.....J0C89DZPQS
18 - Pandemonium.....JGB9CT0NRT
19 - House Of Pain.....9QLTKR0!02
20 - Unholy Cathedral.....78M63QX921
21 - Mt. Erebus.....S!61FHVQJG
22 - Limbo.....33QHFTT6WY
23 - Tower Of Babel.....VBGQPJ!Y46
24 - Hell Beneath.....ZYKTLW7V53
25 - Perfect Hatred.....0DJSM4HW64
26 - Sever The Wicked.....LS5YPTCRKH
27 - Unruly Evil.....ZDJSMVRW64
28 - Unto The Cruel.....1YKTX4QV53
29 - Twilight Descends.....XKF6R8LZ97
30 - Threshold Of Pain.....DJX07Q4HTR
Secret Level Codes
Go to the password screen to enter the following codes:
55 - Fortress Of Mystery.....BBBBBBB666
56 - The Military Base.....3P67ZNBQJG
57 - The Marshes.....JCGDNFL555
58 - The Mansion.....BXXBXXB778
59 - Club Doom.....JCGDNFL556
Skip Levels
Pause the game and enter Right, left, R2, R1, Triangle, L1, O, X.
X-Ray Vision Mode
Pause the game and enter L1, R2, L2, R1, Right, Triangle, X, Right. you can see the enemies, but they can't see you.