Debug Mode
Enter “QQQQ QQQQ QQQQ QQQQ” as a password and ignore the “Incorrect Password” message. Then, a “Debug” selection will appear on the option menu. Level select, all weapons, invincibility, and monster targeting may now be accessed.
No Clipping Mode
Enter “NOCLIP” as a password to pass through walls.
Full Weapon Level Passwords
Enter one of the following passwords to start at the corresponding level with full weapons…
| Level | Easy | Normal |
| Realm of Black Magic | ?DRY OPFG P3BT VBKX | 6DRW OPFG T3BR VBJX |
| The ElderWorld | 95RV TPFG QQBT JBJT | 5SR9 TPFG VQBR JBCT |
| The NetherWorld | 81RV 6PFG RGB5 5BJH | 41R9 6PFG WGBQ 5BCH |
| Shub-Niggurath’s Pit | 79RV 2PFG R7BS SBJF | 39R9 2PFG W7BQ SBFC |
| Level | Hard | Nightmare |
| Realm of Black Magic | 2DR? OPFG Y3BP VBCX | YDR8 OPFG 23BM V3BX |
| The ElderWorld | 1SR7 TPFG 2QBP JBBT | XSR TPFG 3QBM JBFT |
| The NetherWorld | 01R7 6PFG 0GBN 5BBH | W1R5 6PFG 4GBL 5BFH |
| Shub-Niggurath’s Pit | Z9R7 2PFG 07BN SBBF | VR95 2PFG 47BL SBBF |
Level Passwords
| Name | Password | |
| Castle of the Damned | H40X ZVVB HLBD 74DJ | |
| The Necropolis | H0P3 2XBN WQ2B NZVK | |
| Gloom Keep | CWHX CH3B GDB3 14JY | |
| The Door to Chthon | PQW4 9QVD Y8VY X21M | |
| The House of Chthon | PL24 XBBT YJLQ 32?6 | |
| Ziggurat Vertigo | 6JR3 KDDV 3SLG 9RFT | |
| The Ogre Citadel | GWY6 7BBB 23BD L4HK | |
| The Crypt of Decay | B8YN BBBB ZBBB SXR4 | |
| The Wizard’s Manse | 55R6 0XCJ 2LBR QVV1 | |
| The Dismal Oubliette | 51RZ ?6xQ RGBR NNJH | |
| Underearth | 5XRV SMXP B7BR LP5H | |
| Termination Central | 5SR9 TPFG VQBR JBCT | |
| Vaults of Zin | 5NRV JF6G CVBR GBFL | |
| The Tomb of Terror | 5JR6 HDXM 2ZBR DPN5 | |
| Satan’s Dark Delight | 5DR0 HW4N PZ?S 5Y2W | |
| Chambers of Torment | 49R6 XBBJ 2GBQ 932T | |
| The Haunted Halls | 45RZ ZF32 LZBQ 773R | |
| The Tower of Despair | 41R0 6PFG WGBQ 5BCH | |
| The Elder God Shrine | 4XRV QBFG B3BQ 3BD3 | |
| The Palace of Hate | 4SR5 DBBN ZGBQ 1628 | |
| The Pain Maze | 4NRV JBBF BRY5 744W | |
| Azure Agony | 4JR5 1BBB 0QBQ X4HX | |
| Shub-Niggurath’s Pit | 39R9 2PFG W7BQ SBCF | |
| The Nameless City | 4DR1 4XDD RVBQ VM1B |