Action Nuk’em Mode | Updated 02 Jul |
Press Down (x2), A, Z (x2), Left, A when "Press Start" appears at the opening screen. (A tone confirms correct entry.)
Alternately, successfully complete the game. |
Additional Characters | Updated 02 Jul |
| Complete any level and save the game to unlock an additional character in multi player mode. |
Big Gun Mode | Updated 02 Jul |
| Slay all opponents in Level 3: Nuclear Winter. |
Big Head Mode | Updated 02 Jul |
| Rescue all babes in Level 2: Liberty or Death. |
Character Set 1 | Updated 02 Jul |
| Press A, L, R, Left, B, Down, Up when "Press Start" appears at the opening screen. (A tone confirms correct entry.) |
Character Set 2 | Updated 02 Jul |
| Press B, A (x2), R, L when "Press Start" appears at the opening screen. (A tone confirms correct entry.) |
Character Set 3 | Updated 02 Jul |
| Press L (x2), Up, Down, R, B, A when "Press Start" appears at the opening screen. (A tone confirms correct entry.) |
Character Set 4 | Updated 02 Jul |
| Press B (x3), R, Left, A when "Press Start" appears at the opening screen. (A tone confirms correct entry.) |
Character Set 5 | Updated 02 Jul |
| Press Right, B, Left, L, A, Z when "Press Start" appears at the opening screen. (A tone confirms correct entry.) |
Character Set 6 | Updated 02 Jul |
| Press Up, Down, B, A (x2), Left when "Press Start" appears at the opening screen. (A tone confirms correct entry.) |
Extreme Mode | Updated 02 Jul |
| Successfully complete the game with all babes rescued and all opponents killed. |
First Person Perspective | Updated 02 Jul |
| Press Down, Up, L, B, Z, Left, C-Up, C-Right, C-Left, Z when "Press Start" appears at the opening screen. (A tone confirms correct entry.) |
Flat Shade Map | Updated 02 Jul |
| Obtain all secrets in the secret level, "Wetworld". |
Freeze Thrower With Unlimited Ammunition | Updated 02 Jul |
| Press Down, Up, A, L, R, Z when "Press Start" appears at the opening screen. (A tone confirms correct entry.) |
High Speed Zombies | Updated 02 Jul |
| Rescue all babes in Level 8: Dry Town. |
Ice Skin | Updated 02 Jul |
| Rescue all babes in Level 5: Fallout. |
Maximum SMG Ammunition | Updated 02 Jul |
| Obtain all secrets in Level 15: Dawn of the Duke. |
Maximum Volt C Ammunition | Updated 02 Jul |
| Obtain all secrets in Level 17: The Rack. |
Maximum Blaster Ammunition | Updated 02 Jul |
| Slay all opponents in Level 9: Jailbreak. |
Maximum Freezer Ammunition | Updated 02 Jul |
| Slay all opponents in Level 20: The Brothers Nukem. |
Maximum Gamma Ammunition | Updated 02 Jul |
| Rescue all babes in Level 21: Alien Mothership. |
Maximum Gattling Gun Ammunition | Updated 02 Jul |
| Slay all opponents in Level 16: Hydrogen Bomb. |
Maximum Revolver Ammunition | Updated 02 Jul |
| Rescue all babes and obtain all secrets in Level 12: Probing The Depths. |
Maximum Rifle Ammunition | Updated 02 Jul |
| Rescue all babes in Level 11: Ft. Roswell. |
Maximum Sawn Off Shotgun Ammunition | Updated 02 Jul |
| Slay all opponents in Level 13: White Chapel Killings. |
Maximum Shotgun Ammunition | Updated 02 Jul |
| Rescue all babes in Level 10: Up Ship Creek. |
Maximum Sniper Ammunition | Updated 02 Jul |
| Rescue all babes in the secret level, "Going Down". |
Rifle With Unlimited Ammunition | Updated 02 Jul |
| Press C-Up, C-Down, C-Left, C-Right, L, R when "Press Start" appears at the opening screen. (A tone confirms correct entry.) |
Secret Level Going Down | Updated 02 Jul |
| Obtain all of the time machine pieces before reaching the rack. A second portal should appear in a room adjacent to the first. |
Secret Level Wetworld | Updated 02 Jul |
| After powering up at the end of level 3: Nuclear Winter, jump onto the roof below. (You will see a Medkit there.) From the roof, jump into the water and swim to the floating platform. |
Weather | Updated 02 Jul |
| Obtain all secrets in Level 6: Under Siege. |
Debug Mode | Updated 02 Jul |
| c-up up c-left right c-down down c-right r a b |
Action Nuk’em Mode | Updated 02 Jul |
Press Down (x2), A, Z (x2), Left, A when "Press Start" appears at the opening screen. (A tone confirms correct entry.)
Alternately, successfully complete the game. |
Additional Characters | Updated 02 Jul |
| Complete any level and save the game to unlock an additional character in multi player mode. |
Big Gun Mode | Updated 02 Jul |
| Slay all opponents in Level 3: Nuclear Winter. |
Big Head Mode | Updated 02 Jul |
| Rescue all babes in Level 2: Liberty or Death. |
Character Set 1 | Updated 02 Jul |
| Press A, L, R, Left, B, Down, Up when "Press Start" appears at the opening screen. (A tone confirms correct entry.) |
Character Set 2 | Updated 02 Jul |
| Press B, A (x2), R, L when "Press Start" appears at the opening screen. (A tone confirms correct entry.) |
Character Set 3 | Updated 02 Jul |
| Press L (x2), Up, Down, R, B, A when "Press Start" appears at the opening screen. (A tone confirms correct entry.) |
Character Set 4 | Updated 02 Jul |
| Press B (x3), R, Left, A when "Press Start" appears at the opening screen. (A tone confirms correct entry.) |
Character Set 5 | Updated 02 Jul |
| Press Right, B, Left, L, A, Z when "Press Start" appears at the opening screen. (A tone confirms correct entry.) |
Character Set 6 | Updated 02 Jul |
| Press Up, Down, B, A (x2), Left when "Press Start" appears at the opening screen. (A tone confirms correct entry.) |
Extreme Mode | Updated 02 Jul |
| Successfully complete the game with all babes rescued and all opponents killed. |
First Person Perspective | Updated 02 Jul |
| Press Down, Up, L, B, Z, Left, C-Up, C-Right, C-Left, Z when "Press Start" appears at the opening screen. (A tone confirms correct entry.) |
Flat Shade Map | Updated 02 Jul |
| Obtain all secrets in the secret level, "Wetworld". |
Freeze Thrower With Unlimited Ammunition | Updated 02 Jul |
| Press Down, Up, A, L, R, Z when "Press Start" appears at the opening screen. (A tone confirms correct entry.) |
High Speed Zombies | Updated 02 Jul |
| Rescue all babes in Level 8: Dry Town. |
Ice Skin | Updated 02 Jul |
| Rescue all babes in Level 5: Fallout. |
Maximum SMG Ammunition | Updated 02 Jul |
| Obtain all secrets in Level 15: Dawn of the Duke. |
Maximum Volt C Ammunition | Updated 02 Jul |
| Obtain all secrets in Level 17: The Rack. |
Maximum Blaster Ammunition | Updated 02 Jul |
| Slay all opponents in Level 9: Jailbreak. |
Maximum Freezer Ammunition | Updated 02 Jul |
| Slay all opponents in Level 20: The Brothers Nukem. |
Maximum Gamma Ammunition | Updated 02 Jul |
| Rescue all babes in Level 21: Alien Mothership. |
Maximum Gattling Gun Ammunition | Updated 02 Jul |
| Slay all opponents in Level 16: Hydrogen Bomb. |
Maximum Revolver Ammunition | Updated 02 Jul |
| Rescue all babes and obtain all secrets in Level 12: Probing The Depths. |
Maximum Rifle Ammunition | Updated 02 Jul |
| Rescue all babes in Level 11: Ft. Roswell. |
Maximum Sawn Off Shotgun Ammunition | Updated 02 Jul |
| Slay all opponents in Level 13: White Chapel Killings. |
Maximum Shotgun Ammunition | Updated 02 Jul |
| Rescue all babes in Level 10: Up Ship Creek. |
Maximum Sniper Ammunition | Updated 02 Jul |
| Rescue all babes in the secret level, "Going Down". |
Rifle With Unlimited Ammunition | Updated 02 Jul |
| Press C-Up, C-Down, C-Left, C-Right, L, R when "Press Start" appears at the opening screen. (A tone confirms correct entry.) |
Secret Level Going Down | Updated 02 Jul |
| Obtain all of the time machine pieces before reaching the rack. A second portal should appear in a room adjacent to the first. |
Secret Level Wetworld | Updated 02 Jul |
| After powering up at the end of level 3: Nuclear Winter, jump onto the roof below. (You will see a Medkit there.) From the roof, jump into the water and swim to the floating platform. |
Weather | Updated 02 Jul |
| Obtain all secrets in Level 6: Under Siege. |
Debug Mode | Updated 02 Jul |
| c-up up c-left right c-down down c-right r a b |
Maximum Volt C Ammunition | Updated 04 Sep |
| Obtain all secrets in level 17, "The Rack", to unlock the cheat option for maximum Volt C. ammunition. |
Game Shark Codes | Updated 13 Jul |
Note: You must have a 2.2 or higher version of the Game Shark to use these codes.
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 [Note]:
D0117DF4 0008
81117EEC FFFF
D0117DF4 0008
81117EEE FC00
Note: Hold L to rise, release L to land |
Refill Health | Updated 06 Jul |
| 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. |
Going Down Level | Updated 06 Jul |
| 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. |
Wetworld Level | Updated 06 Jul |
| 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. |
Maximum Gamma Ammunition | Updated 06 Jul |
| Rescue all babes in level 21, "Alien Mothership", to unlock the cheat option for maximum gamma ammunition. |
Maximum Freezer Ammunition | Updated 06 Jul |
| Kill all opponents in level 20, "The Brothers Nukem", to unlock the cheat option for maximum freezer ammunition. |
Maximum Sniper Ammunition | Updated 06 Jul |
| Rescue all babes in the "Going Down" secret level to unlock the cheat option for maximum sniper ammunition. |
Maximum Gatling Gun Ammunition | Updated 06 Jul |
| Kill all opponents in level 16, "Hydrogen Bomb", to unlock the cheat option for maximum gatling gun ammunition. |
Maximum SMG Ammunition | Updated 06 Jul |
| Obtain all secrets in level 15, "Dawn Of The Duke", to unlock the cheat option for maximum SMG ammunition. |
Maximum Sawn Off Shotgun Ammunition | Updated 06 Jul |
| Kill all opponents in level 13, "Whitechapel Killings", to unlock the cheat option for maximum sawn-off shotgun ammunition. |
Maximum Revolver Ammunition | Updated 06 Jul |
| Kill all opponents in level 12, "Probing The Depths", to unlock the cheat option for maximum revolver ammunition. |
Maximum Rifle Ammunition | Updated 06 Jul |
| Rescue all babes in level 11, "Ft. Roswell", to unlock the cheat option for maximum rifle ammunition. |
Maximum Shotgun Ammunition | Updated 06 Jul |
| Rescue all babes in level 10, "Up Ship Creek", to unlock the cheat option for maximum shotgun ammunition. |
Maximum Blaster AAmunition | Updated 06 Jul |
| Kill all opponents in level 9, "Jailbreak", to unlock the cheat option for maximum blaster ammunition. |
High Speed Zombies | Updated 06 Jul |
| Rescue all babes in level 8, "Dry Town", to unlock the cheat option for high speed zombies. |
Ice Skin | Updated 06 Jul |
| Rescue all babes in level 5, "Fallout", to unlock the cheat option for ice skin. |
Flat Shade Map | Updated 06 Jul |
| Obtain all secrets in the "Wetworld" secret level to unlock the cheat option for flat shade map. |
Big Gun Mode | Updated 06 Jul |
| Kill all opponents in level 3, "Nuclear Winter", to unlock the cheat option for big gun mode. |
Big Head Mode | Updated 06 Jul |
| Rescue all babes in level 2, "Liberty Or Death", to unlock the cheat option for big head mode. |
Extra Multi Player Characters | Updated 06 Jul |
| Complete any level and save the game to unlock one additional character in multi-player mode. |
Weather | Updated 06 Jul |
| Obtain all secrets in level 6, "Under Siege", to unlock the cheat option for weather. |
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