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Duke Nukem: Zero Hour Cheats
Nintendo 64
Action Nuk'em Mode
When "Press Start" appears at the opening screen, press Down(2), A, Z(2), Left, A. If you entered the code correctly, you will hear a sound. Alternatively, successfully complete the game to unlock Action Nuk'em mode, which allows Duke to kill opponents with one shot. |
All Weapons
When "Press Start" appears at the opening screen, press Down, A, Up, L, Z, R, C-Up, C-Down, B, C-Left. If you entered the code correctly, you will hear a sound. |
Big Gun Mode
When "Press Start" appears at the opening screen, press C-Up, C-Left, Z, B, L, Z, A. If you entered the code correctly, you will hear a sound. Alternately, kill all opponents in level 3, "Nuclear Winter", to unlock the cheat option for big gun mode. |
Big Head Mode
When "Press Start" appears at the opening screen, press B, Up, Down(2), A, Z, A, Right. If you entered the code correctly, you will hear a sound. Alternately, rescue all babes in level 2, "Liberty Or Death", to unlock the cheat option for big head mode. |
Bonus Multi-player Characters
Successfully complete any level and save the game to unlock one additional character in multi-player mode. |
Debug Mode
When "Press Start" appears at the opening screen, press C-Up, Up, C-Left, Right, C-Down, Down, C-Right, R, A, B. If you entered the code correctly, you will hear a sound. The "Cheats Menu" will be available but will have no cheats active (unless they were previously activated or earned). Once you start or load a game/level, text will appear in the upper/left hand corner of the screen. Use controller two to control the debug options. Press Start to cycle through the various lists of options. Use the buttons noted below to change certain values.
Note: Debug mode does not save on the memory pak like the other cheats.SFX - L or R: FX down/up
- Left or Right: FX down/up by 10
- B: First person view
- A: Third person view
- Z: Play SFX
Level Warp - L or R: Level down/up
- B: Skip level
- Z: Advance to selected level
Midi - L or R: Song down/up
- A: Play song
- B: Stop song
- Global Palette
- B or A: Red down/up
- C-Left or C-Down: Green down/up
- C-Up or C-Right: Blue down/up
Cheat - Z: All weapons
- L: All items
- R: All keys
- A: Invincibility
- AI Debug Values
- B or A: GVAR 1 down/up
- C-Left or C-Down: GVAR 2 down/up
- C-Up or C-Right: GVAR 3 down/up
Fog* - B or A: Red down/up
- C-Left or C-Down: Green down/up
- C-Up or C-Right: Blue down/up
- Left or Right: NR down/up
- L or R: FR down/up
Sky Top* - B or A: Red down/up
- C-Left or C-Down: Green down/up
- C-Up or C-Right: Blue down/up
Sky Bottom* - B or A: Red down/up
- C-Left or C-Down: Green down/up
- C-Up or C-Right: Blue down/up
Clouds 1* - B or A: Red down/up
- C-Left or C-Down: Green down/up
- C-Up or C-Right: Blue down/up
- L or R: HT down/up
- Down or Up: AN down/up
- Left or Right: SP down/up
Clouds 2* - B or A: Red down/up
- C-Left or C-Down: Green down/up
- C-Up or C-Right: Blue down/up
- L or R: HT down/up
- Down or Up: AN down/up
- Left or Right: SP down/up
Player - L or R: DN Down/Up (changes player's character)
GFX - (Values cannot be changed)
AI - A: AI 0/1 (set to 1 to stop enemies)
- L: Difficulty 0/1/2
- R: Auto aim 0/1
Alpha Palette - B or A: R0 down/up
- C-Left or C-Down: G0 down/up
- C-Up or C-Right: B0 down/up
- L or R: R1 down/up
- Left or Right: G1 down/up
- Down or Up: B1 down/up
Weather Cheat works the same way but only has the options noted with an *
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Extreme Mode
Successfully complete the game with all babes rescued and all opponents killed to unlock Extreme mode, which allows the game to be played at a higher difficulty setting. |
First Person View
When "Press Start" appears at the opening screen, press Down, Up, L, B, Z, Left, C-Up, C-Right, C-Left, Z. If you entered the code correctly, you will hear a sound. |
Flat Shade Map
When "Press Start" appears at the opening screen, press Down, Up, Left(2), A, Right, Down. If you entered the code correctly, you will hear a sound. Alternately, obtain all secrets in the "Wetworld" secret level to unlock the cheat option for flat shade map. |
Freeze Thrower With Infinite Ammunition
When "Press Start" appears at the opening screen, press Down, Up, A, L, R, Z. If you entered the code correctly, you will hear a sound. |
Going Down Level
Collect all the time machine pieces before reaching "The Rack" level. Then a second exit portal will appear in the room just off where the first is located. Use it to reach the "Going Down" (Titanic) level. |
Group 1 Multi-player Characters
When "Press Start" appears at the opening screen, press A, L, R, Left, B, Down, Up to unlock all Group 1 multi-player characters. If you entered the code correctly, you will hear a sound. |
Group 2 Multi-player Characters
When "Press Start" appears at the opening screen, press B, A(2), R, L to unlock all Group 2 multi-player characters. If you entered the code correctly, you will hear a sound. |
Group 3 Multi-player Characters
When "Press Start" appears at the opening screen, press L(2), Up, Down, R, B, A to unlock all Group 3 multi-player characters. If you entered the code correctly, you will hear a sound. |
Group 4 Multi-player Characters
When "Press Start" appears at the opening screen, press B(3), R, Left, A to unlock all Group 4 multi-player characters. If you entered the code correctly, you will hear a sound. |
Group 5 Multi-player Characters
When "Press Start" appears at the opening screen, press Right, B, Left, L, A, Z to unlock all Group 5 multi-player characters. If you entered the code correctly, you will hear a sound. |
Group 6 Multi-player Characters
When "Press Start" appears at the opening screen, press Up, Down, B, A(2), Left to unlock all Group 6 multi-player characters. If you entered the code correctly, you will hear a sound. |
High Speed Zombies
When "Press Start" appears at the opening screen, press A(2), Z, A, R, C-Down, B. If you entered the code correctly, you will hear a sound. Alternately, rescue all babes in level 8, "Dry Town", to unlock the cheat option for high speed zombies. |
Ice Skin
When "Press Start" appears at the opening screen, press B, Z, Up, L, A, C-Right, A. If you entered the code correctly, you will hear a sound. Alternately, rescue all babes in level 5, "Fallout", to unlock the cheat option for ice skin. |
Maximum Blaster Ammunition
Kill all opponents in level 9, "Jailbreak", to unlock the cheat option for maximum blaster ammunition. |
Maximum Freezer Ammunition
Kill all opponents in level 20, "The Brothers Nukem", to unlock the cheat option for maximum freezer ammunition. |
Maximum Gamma Ammunition
Rescue all babes in level 21, "Alien Mothership", to unlock the cheat option for maximum gamma ammunition. |
Maximum Gatling Gun Ammunition
Kill all opponents in level 16, "Hydrogen Bomb", to unlock the cheat option for maximum gatling gun ammunition. |
Maximum Revolver Ammunition
Kill all opponents in level 12, "Probing The Depths", to unlock the cheat option for maximum revolver ammunition. |
Maximum Rifle Ammunition
Rescue all babes in level 11, "Ft. Roswell", to unlock the cheat option for maximum rifle ammunition. |
Maximum SMG Ammunition
Obtain all secrets in level 15, "Dawn Of The Duke", to unlock the cheat option for maximum SMG ammunition. |
Maximum Sawn-off Shotgun Ammunition
Kill all opponents in level 13, "Whitechapel Killings", to unlock the cheat option for maximum sawn-off shotgun ammunition. |
Maximum Shotgun Ammunition
Rescue all babes in level 10, "Up Ship Creek", to unlock the cheat option for maximum shotgun ammunition. |
Maximum Sniper Ammunition
Rescue all babes in the "Going Down" secret level to unlock the cheat option for maximum sniper ammunition. |
Maximum Volt C. Ammunition
Obtain all secrets in level 17, "The Rack", to unlock the cheat option for maximum Volt C. ammunition. |
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. |
Rifle With Infinite Ammunition
When "Press Start" appears at the opening screen, press C-Up, C-Down, C-Left, C-Right, L, R. If you entered the code correctly, you will hear a sound. |
Skin Select
When "Press Start" appears at the opening screen, press C-Left, R, Left, Up, Down, B, A, Z. If you entered the code correctly, you will hear a sound. Skins may be selected in single player mode, but may not be viewed during selection. |
Weather
When "Press Start" appears at the opening screen, press Z, A, L, B, Down, Up, R. If you entered the code correctly, you will hear a sound. Alternately, obtain all secrets in level 6, "Under Siege", to unlock the cheat option for weather. |
Wetworld Level
Play through the "Nuclear Winter" level until reaching the rail tracks leading to the communicator. Then, power up and drop off onto the roof below where a medi-kit can be seen. Jump off this roof into the water (which is only on one side). Swim to a floating platform, where the level exit will appear. |
| Gameshark Duke Nukem: Zero Hour Hacks | | Infinite Health (Mean Streets) | 8019F061 0096 | | Infinite Health (Liberty or Death) | 8019E955 0096 | | Infinite Health (Nuclear Winter) | 8019E4D9 0096 | | Infinite Health (Secret Level: Wetworld) | 8019DA99 0096 | | Infinite Health (Fallout) | 8019D61D 0096 | | Infinite Health (Under Siege) | 8019E4D9 0096 | | Infinite Health (Boss Hog) | 8019BF0D 0096 | | Infinite Health (Dry Town) | 8019FB45 0096 | | Infinite Health (Jailbreak) | 8019E1A5 0096 | | Infinite Health (Up Ship Creek) | 8019E391 0096 | | Infinite Health (Fort Roswell) | 8019F395 0096 | | Infinite Health (Probing The Depths) | 8019E05D 0096 | | Infinite Health (Cyborg Scorpion) | 8019C055 0096 | | Infinite Health (The Whitechapel Killings) | 8019F1A9 0096 | | Infinite Health (Dawn of the Duke) | 8019F625 0096 | | Infinite Health (Hydrogen Bomb) | 8019E2ED 0096 | | Infinite Health (Dunroamin Castle) | 8019DB3D 0096 | | Infinite Health (Going Down) | 8019C0F9 0096 | | Infinite Health (Brainstorm) | 8019C94D 0096 | | Infinite Health (The Brothers Nukem) | 8019D579 0096 | | Infinire Health (Alien Mother) | 8019BC7D 0096 | | Have Pistol | 8111A6A8 0001 | | Infinite Pistol Ammo | 8111A6AA 0063
8111A6B0 0000 | | Pistol Never Needs to Reload | 8111A6B2 0000 | | Have Shotgun | 8111A6D0 0001 | | Infinite Shotgun Ammo | 8111A6D2 0063
8111A6D8 0000 | | Shotgun Never Needs to Reload | 8111A6DA 0000 | | Have Machine Gun | 8111A6F8 0001 | | Infinite Machine Gun Ammo | 8111A6FA 0063
8111A700 0000 | | Machine Gun Never Needs to Reload | 8111A702 0000 | | Have Grenade Launcher | 8111A720 0001 | | Infinite Grenade Launcher Ammo | 8111A722 0063
8111A728 0000 | | Grenade Launcher Never Needs to Reload | 8111A72A 0000 | | Have Pipe Bomb | 8111A748 0001 | | Infinite Pipe Bomb Ammo | 8111A74A 0063
8111A750 0000 | | Pipe Bomb Never Needs to Reload | 8111A752 0000 | | Have Dynamite | 8111A770 0001 | | Infinite Dynamite Ammo | 8111A772 0063
8111A778 0000 | | Dynamite Never Needs to Reload | 8111A77A 0000 | | Have ? | 8111A798 0001 | | Infinite ? Ammo | 8111A79A 0063
8111A7A0 0000 | | ? Never Needs to Reload | 8111A7A2 0000 | | Have Machine Shotgun | 8111A7C0 0001 | | Infinite Machine Shotgun Ammo | 8111A7C2 0063
8111A7C8 0000 | | Machine Shotgun Never Needs to Reload | 8111A7CA 0000 | | Have Plasma Gun | 8111A7E8 0001 | | Infinite Plasma Gun Ammo | 8111A7EA 0063
8111A7F0 0000 | | Plasma Gun Never Needs to Reload | 8111A7F2 0000 | | Have Lasergun | 8111A810 0001 | | Infinite Lasergun Ammo | 8111A812 0063
8111A818 0000 | | Lasergun Never Needs to Reload | 8111A81A 0000 | | Have Handgun (Won't Fire?) | 8111A6D0 0001 | | Infinite Handgun Ammo | 8111A6D2 0063
8111A6D8 0000 | | Handgun Never Needs to Reload | 8111A6DA 0000 | | Cannot Jump | 81117F1C 0100 | | Moon Jump | D0117DF4 0008
81117EEC FFFF
D0117DF4 0008
81117EEE FC00 |
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