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  Duke Nukem: Zero Hour [N64]
Hints & Cheats:

Freeze Thrower and unlimited ammunition:
Press Down, Up, A, L, R, Z when "Press Start" appears at the opening screen. A sound will confirm correct code entry.

Easy Western period Boss kill:
Get the sniper rifle before facing the giant scorpion at last stage of the western time period. Go out to the entrance when you can barely or see half of the scorpion. Pull out the sniper rifle, aim at its body, and start firing.

Cheat mode:
Press C-Left, Left, Up, Right-C, R, R, C-Down, L, C-Up, Up, Right, C-Right, Start at the "Press Start" screen to unlock all cheat options.

.30-.30 Rifle with infinite ammo:
At the press start screen press C-up, C-down, C-left, C-right, L, R.

Regain health:
When you shoot a fire hydrant in the game stand next to it and press the B button. This will replenish your health to 100.

Titanic Level:
To access the Titanic level "GOING DOWN" find all the time machine pieces before you get to "THE RACK" and a second exit portal should appear in the room just off the first.

Wetworld Level:
To access the "WETWORLD" level play through level 3 'NUCLEAR WINTER' and when you reach the rail tracks leading to the communicator you have to power up drop off onto the roof below where you will see a medi kit. Now jump off this roof into the water (which is only on 1 side) and swim to a floating platform where you will see the level exit.

Aradius Level:
You have to beat the entire game without dying once.

All guns & infinite ammo:
At the main menu press A, B, A, C-Up, C-Down, Left, A

Play as X-Terminator:
Beat the final boss to unlock X-Terminator in multiplayer.

How to Find Secrets with a Gun:
If you have smg cheat or gatling cheat or if you have the gun. just point the gun at the wall and fire it. When you are firing the gun at the wall walk down when your bulletholes disapper that where there is there is a secret.

Get More Multiplayer Characters:
If you save your game after you finish a level you get some additional multiplayer characters.

FPS Mode and Action Nuk'em Mode:
When you beat the game you get these two modes. First Person Mode puts you in the perspective like in Duke Nukem 3D. Action Mode makes you have 1-hit kills.

Extreme Mode:
Beat every level getting all of the babes and killing all of the enemies and you get extreme mode. It is just a harder level of difficulty.

First person view:
Press Down, Up, L, B, Z, Left, C-Up, C-Right, C-Left, Z when "Press Start" appears at the opening screen.

Action Nuk'em mode:
When "Press Start" appears at the opening screen, press Down, Down, A, Z, Z, Left, A. This allows Duke to kill opponents with one shot.

Select Skin:
When "Press Start" appears at the opening screen, press C-Left, R, Left, Up, Down, B, A, Z. Go on as if you are starting a multiplayer game, and the character that the first player selects will replace Duke in single player mode.

Extra Group 1 multi-player characters:
When "Press Start" appears at the opening screen, press A, L, R, Left, B, Down, Up.

Extra Group 2 multi-player characters:
When "Press Start" appears at the opening screen, press B, A, A, R, L.

Extra Group 3 multi-player characters:
When "Press Start" appears at the opening screen, press L, L, Up, Down, R, B, A.

Extra Group 4 multi-player characters:
When "Press Start" appears at the opening screen, press B, B, B, R, Left, A.

Extra Group 5 multi-player characters:
When "Press Start" appears at the opening screen, press Right, B, Left, L, A, Z.

Extra Group 6 multi-player characters:
When "Press Start" appears at the opening screen, press Up, Down, B, A, A, Left.

Cheats codes, PAL version:
Cheat Menu : Left, Down, L, L, Up, Right, Left, Up
All Items: C-Right, Down, L, C-Up, Left, C-Right, Left
Choose Level: R, L, R, C-Down, Right, Up, Left, C-Up,
Immortal: R, C-Right, R, L, R, R, R, Left
No Monsters: L, C-Up, Left, L, C-Down, Right, Left, Right




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Unlock cheat options:


Big head mode:
Rescue all babes in the Liberty Or Death level.

Big gun mode:
Kill all opponents in the Nuclear Winter level.

Flat shade map:
Obtain all secrets in the secret Wetworld level.

Ice skin:
Rescue all babes in the Fallout level.

Weather:
Obtain all secrets in the Under Siege level.

High speed zombies:
Rescue all babes in the Dry Town level.

Maximum blaster ammunition:
Kill all opponents in the Jailbreak level.

Maximum shotgun ammunition:
Rescue all babes in the Up Ship Creek level.

Maximum rifle ammunition:
Rescue all babes in the Ft. Roswell level.

Maximum revolver ammunition:
Kill all opponents in the Probing The Depths level.

Maximum sawn-off shotgun ammunition:
Kill all opponents in the Whitechapel Killings level.

Maximum SMG ammunition:
Obtain all secrets in the Dawn Of The Duke level.

Maximum gatling gun ammunition:
Kill all opponents in the Hydrogen Bomb level.

Maximum Volt C. ammunition:
Obtain all secrets in the The Rack level.

Maximum sniper ammunition:
Rescue all babes in the secret Going Down level.

Maximum freezer ammunition:
Kill all opponents in the The Brothers Nukem level.

Maximum gamma ammunition:
Rescue all babes in the Alien Mothership level.

Print Cheats


Some Game Trainers are sometimes reported to be a Virus or Trojan, the most common is a keylogger called HotKeysHook or the file has been packed/protected with VMProtect or Themida and is recognized as Win32/Packed.VMProtect or Win32/Packed.Themida. In ALL cases this is a FALSE ALARM as NONE of the Game Trainers @ GCW contain known malicious code! More info in the PC Games FAQ!