Quake (N64)

Debug mode:
Enter QQQQ QQQQ QQQQ QQQQ as a password and ignore the "Incorrect Password" message. 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 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	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