Action Replay Codes [EU]
The following are known Action Replay Codes for Duke Nukem 64 on Nintendo 64 (N64).Device Compatibility: Action Replay & GameShark
V2 Infinite Medikits
800EC944 00FF
Have Grenade Launcher
802A5AED 0001
SHRAPNEL L A RUMBLE
D01457DA 0000
801457DA 03E7
V2 Have All Keys
800EC940 000F
Infinite Shrinker Ammo
802A5A3B 00FF
V2 Have All Weapons
800EC9DE 0101
800EC9E0 0101
800EC9E2 0101
800EC9E4 0101
800EC9E6 0101
Infinite Jet Pack
812A5ABE 0640
Lunar OVERLORD
D014408A 0000
8014408A 03E7
Infinite Armour
812A5AC2 0064
Infinite Scuba Gear
812A5ABC 1900
V2 Infinite Ammo
800EC900 00C8
800EC902 0032
800EC904 00C8
800EC906 0032
800EC908 0032
800EC90A 0032
800EC90C 0063
800EC90E 0010
800EC910 0063
SHRAPNEL MOVIE SET
D01435DA 0000
801435DA 03E7
Infinite Missile Launcher Ammo
802A5A3F 00FF
Have Expander
802A5AF0 0001
Have Pipe Bombs
802A5AEE 0001
Infinite Medikits
800EC990 00FF
Infinite Plasma Cannon Ammo
802A5A41 00FF
Infinite Sub Machine Gun Ammo
802A5A35 00FF
LA RED LIGHT DISTRICT
D014B7F2 0000
8014B7F2 03E7
Infinite Protection Boots
800EC9A6 00C8
V2 Infinite Night Vision Goggles
800EC95E 04BE
Infinite Night Vision Goggles
800EC9AA 04BE
Have Sub Machine Gun
802A5AEC 0001
LA DEATH ROW
D015710A 0000
8015710A 03E7
Infinite Jetpack
800EC9DE 0640
LUNAR WARP FACTOR
D0158C82 0000
80158C82 03E7
SHRAPNEL HOTEL HELL
D0150126 0000
80150126 03E7
Infinite Scuba Gear
800EC9DC 0FFE
SHRAPNEL RAW MEAT
D014D84A 0000
8014D84A 03E7
LUNAR INCUBATOR
D0148D52 0000
80148D52 03E7
Infinite Pistol Ammo
812A5A31 00FF
Infinite Expander Ammo
802A5A3D 00FF
SHRAPNEL FLOOD ZONE
D0147846 0000
80147846 03E7
Infinite Holoduke
800EC972 0640
Infinite Ammo
800EC94C 00C8
800EC94E 0032
800EC950 00C8
800EC952 0032
800EC954 0032
800EC956 0032
800EC94E 0032
800EC958 0063
800EC95A 0010 800EC95C 0063
Infinite Shotgun Ammo
802A5A33 00FF
Have All Weapons
800ECA2A 0101
800ECA2C 0101
800ECA2E 0101
800ECA30 0101
. 800ECA32 0101
Have Shrinker
802A5AEF 0001
Infinite Grenade Launcher Ammo
802A5A37 00FF
Infinite Pipe Bombs Ammo
802A5A39 00FF
V2 Infinite Jetpack
800EC992 0640
Infinite Steroids
800EC9E0 00FF
Infinite Armour
800EC9E2 0064
V2 Infinite Protection Boots
800EC9A6 00C8
V2 Infinite Scuba Gear
800EC990 0FFE
Infinite Armour
80097687 0080
LA HOLLYWOOD HOLOCAUST
D014B4F6 0000
8014B4F6 03E7
V2 Infinite Steroids
800EC994 00FF
Infinite Laser Trip Bomb Ammo
802A5A43 00FF
SHRAPNEL STADIUM
D013435E 0000
8013435E 03E7
V2 Infinite Holoduke
800EC926 0640
Have Laser Trip Bomb
802A5AF3 0001
PLUG NIGHTMARE ZONE
D015FCFA 0000
8015FCFA 03E7
LA DEATH ROW
D015710A 0000
8015710A 03E7
SHRAPNEL FAHRENHEIT
D014335E 0000
8014335E 03E7
LA THE ABYSS
D01598A2 0000
801598A2 03E7
PLUG GATES MOTEL
D016A4AE 0000
8016A4AE 03E7
SHRAPNEL RABID TRANSIT
D014546A 0000
8014546A 03E7
LUNAR SPACEPORT
D014BADA 0000
8014BADA 03E7
PLUG DUKE ROYAL
D015973E 0000
8015973E 03E7
Have Missile Launcher
802A5AF1 0001
LA TOXIC DUMP
D015C92E 0000
8015C92E 03E7
LA LAUNCH FACILITY
D014A442 0000
8014A442 03E7
Infinite Vitamin K
818A5AC0 0190
Have All Keys
812A5A77 000F
Have Plasma Cannon
802A5AF2 0001
Have Shotgun
802A5AEB 0001
Have All Keys
800EC98C 00FF
V2 Infinite Armour
800EC996 0064
SHRAPNEL BANK ROLL
D0147846 0000
80147846 03E7
Action Replay Codes [US]
The following are known Action Replay Codes for Duke Nukem 64 on Nintendo 64 (N64).Device Compatibility: Action Replay & GameShark
Cheat Menu
801012d80001
801012dc0001
801012e00001
801012e40001
801012e80001
Expander/Missile Launcher
812a5ac00101
Have All Keys
802a5a47000f
Invincibility
802aaa680001
Infinite Expander Ammo
802a5a0d00ff
Infinite Laser Trip Bomb Ammo
802a5a1300ff
Infinite Missiles
802a5a0f00ff
Infinite Pipe Bomb Ammo
802a5a0900ff
Infinite Plasma Ammo
802a5a1100ff
Infinite Shrinker Ammo
802a5a0b00ff
Pipe Bombs/Shrinker
812a5abe0101
Plasma Cannon/Laser Trip Bombs
812a5ac20101
Infinite Grenades
802a5a0700ff
Infinite Jet Pack
812a5a8e0640
Infinite SMG Ammo
802a5a0500ff
SMGs/Grenade Launcher
812a5abc0101
Cheats, Secrets, Tips & Tricks
Cheat Menu
At the main menu, press Left(2), L(2), Right(2), Left(2) in the NTSC version of the game. For the PAL version of the game, press Left, Down, L(2), Up, Right, Left, Up.
All Items
Enable the “Cheat menu” code. Then at the main menu, press R, C-Right , Right, L, C-Left , Left, C-Right, Right in the NTSC version of the game. For the PAL version of the game, press R, C-Right, Down, L, C-Up, Left, C-Right, Left.
Invincibility
Enable the “Cheat menu” code. Then at the main menu, press R(7), Left in the NTSC version of the game. If you entered the code correctly, you will hear a sound. Now an option for invincibility will appear on the cheat menu. For the PAL version of the game, press R, C-Right, R, L, R(3), Left.
Level Select
Enable the “Cheat menu” code. Then, press L(3), C-Right, Right, Left(2), C-Left in the NTSC version of the game. For the PAL version of the game, press R, L, R, C-Down, Right, Up, Left, C-Up.
No Monsters
Enable the “Cheat menu” code. Then, press L, C-Left, Left, R, C-Right, Right, Left(2), Right in the NTSC version of the game. If you entered the code correctly, you will hear the sound of a siren. Now an option to toggle monsters on/off will appear on the cheat menu. For the PAL version of the game, press L, C-Up, Left, L, C-Down, R, L, R.
Infinite Jet Pack Fuel
While flying with the jet pack, enable the “All items” code.
Big Duke
Start a game in co-op or deathmatch mode. Enable the “All items” code and the “Friendly Fire” option. Now have one player shoot the other player with the expander gun. Enable the “Invincibility” code before the first player explodes, then disable “Invincibility”.
Small Duke
Start a game in co-op or deathmatch mode. Enable the “All items” code and the “Friendly Fire” option. Now have one player shoot the other player with the shrinker gun. Enable the “Invincibility” code, then disable “Invincibility”.
Refill Health
Destroy a fire hydrant, or another water source. Then, stand in the water and hold A to slowly restore health. Alternatively, stand in front of a toilet or urinal and press A.