Welcome to the cheats for Quake 64 for the Nintendo 64. Below are the cheats.
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 passwords
| Level | Name | Password |
| 2 | Castle of the Damned | H40X ZVVB HLBD 74DJ |
| 3 | The Necropolis | H0P3 2XBN WQ2B NZVK |
| 4 | Gloom Keep | CWHX CH3B GDB3 14JY |
| 5 | The Door to Chthon | PQW4 9QVD Y8VY X21M |
| 6 | The House of Chthon | PL24 XBBT YJLQ 32?6 |
| 7 | Ziggurat Vertigo | 6JR3 KDDV 3SLG 9RFT |
| 8 | The Ogre Citadel | GWY6 7BBB 23BD L4HK |
| 9 | The Crypt of Decay | B8YN BBBB ZBBB SXR4 |
| 10 | The Wizard's Manse | 55R6 0XCJ 2LBR QVV1 |
| 11 | The Dismal Oubliette | 51RZ ?6xQ RGBR NNJH |
| 12 | Underearth | 5XRV SMXP B7BR LP5H |
| 13 | Termination Central | 5SR9 TPFG VQBR JBCT |
| 14 | Vaults of Zin | 5NRV JF6G CVBR GBFL |
| 15 | The Tomb of Terror | 5JR6 HDXM 2ZBR DPN5 |
| 16 | Satan's Dark Delight | 5DR0 HW4N PZ?S 5Y2W |
| 17 | Chambers of Torment | 49R6 XBBJ 2GBQ 932T |
| 18 | The Haunted Halls | 45RZ ZF32 LZBQ 773R |
| 19 | The Tower of Despair | 41R0 6PFG WGBQ 5BCH |
| 20 | The Elder God Shrine | 4XRV QBFG B3BQ 3BD3 |
| 21 | The Palace of Hate | 4SR5 DBBN ZGBQ 1628 |
| 22 | The Pain Maze | 4NRV JBBF BRY5 744W |
| 23 | Azure Agony | 4JR5 1BBB 0QBQ X4HX |
| 24 | Shub-Niggurath's Pit | 39R9 2PFG W7BQ SBCF |
| 25 | The Nameless City | 4DR1 4XDD RVBQ VM1B |
