Quake

1. Infinite Ammo
a. 80163A2D 0064
b. 80163A2F 0064
c. 80163A31 0064
d. 80163A33 0064

2. 801639EB 007F All Weapons
3. 8006C4C2 0001 Debug Mode
4. 81163930 42C8 Infinite Health
5. 81163944 42C8 Infinite Armor
6. 81163980 42C8 Infinite Bio Suit
7. 81163A2C 03E7 Ammo Shotguns
8. 81163A2E 03E7 Ammo Nail gun & Super Nail gun
9. 81163A30 03E7 Ammo Grenade & Rocket Launcher
10. 81163A32 03E7 Ammo Thunderbolt
11. 8006C4C2 0001 Open Debug Menu in Options
12. 801639E9 000F Have All Keys
13. 801639E9 0004 Have Gold Key
14. 801639E9 0002 Have Silver Key

Mutli-Player Codes
15. 81166290 42C8 Health P1
16. 811662A4 42C8 Armor P1
17. 811662E0 42C8 Bio Suit P1
18. 8116638C 03E7 Ammo Shotguns P1
19. 8116638E 03E7 Ammo Nail gun & Super Nail gun P1
20. 81166390 03E7 Ammo Grenade & Rocket Launcher P1
21. 81166392 03E7 Ammo Thunderbolt P1
22. 81166560 42C8 Health P2
23. 81166574 42C8 Armor P2
24. 811665B0 42C8 Bio Suit P2
25. 8116665C 03E7 Ammo Shotguns P2
26. 8116665E 03E7 Ammo Nail gun & Super Nail gun P2
27. 81166660 03E7 Ammo Grenade & Rocket Launcher P2
28. 81166662 03E7 Ammo Thunderbolt P2
29. 801639EB 00xx Have Weapon Modifier
30. 8016634B 00xx Weapon Modifier P1
31. 8016661B 00xx Weapon Modifier P2

xx=
00 Axe
01 Shotgun
02 Double Barrel Shotgun
04 Nail gun
08 Super Nail gun
10 Grenade Launcher
20 Rocket Launcher
40 Thunderbolt
7F All Weapons

32. 80086EB2 000x Cheat Enabled Modifier
x=
2 Target Off
4 Invincibility Mode On
8 Weapons On