Clean Screen and Change Split Screen
Effect Code Change Split Screen During a two-player hold Select + R1 and press Left or Right Clean Screen During gameplay hold Select + R1 and press Up
Contributed By: piecemealcranky.
First you must enter the Enable Cheat Mode code, ''Cheat Mode!'' will appear at the top of the screen. Enter the following during gameplay for the combo you want to execute:
Effect Code Cash Suck Combo Left, Right, Up Drop a Mine Left, Right, Down Enable Cheat Mode L1 + R1 + R2 + Select Jump L1 + R1 Stun Combo (front) Right, Left, Up Stun Combo (rear) Right, Left, Down Tilt on two left wheels Up, Down, Left Tilt on two right wheels Up, Down, Right
Contributed By: flowerpot.
Before entering the following codes you must first enter the ''Enable Cheats'' code.
Effect Code Big Daddy At the options screen press Triangle, Square, R2, X, Triangle, then start a game on Challenge mode and select Nuke York Enable Cheats During gameplay hold L1 + R1 + R2 + Select God Mode Hold L1 + L2 + R1 and press Up, Down, Left, Right Infinite Weapons Hold L1 + R1 and press Up, Down, Up, R2 Invincibility Hold L1 + R1, press Up, Down, Left, Right Stronger Weapons Hold L1 + R1 + R2 + X and press Down Unlimited Jump Circle, Square, R2, X, Triangle, R2
Use the following button combinations at the options screen to unlock the following characters
Effect Code Alien Saucer R1, Square, X, Square, L2, Circle Big Daddy Triangle, Square, R2, X, Triangle, R2 (Challenge Only) Goliath Triangle, L1, R1, X, L2, L2 Helicopter L1, Triangle, R2, Triangle, Triangle, R1 Nightshade R1, R2, L1, L1, X, Circle
Contributed By: puddntater.
Enter the following at the password screen:
Effect Password Agent XQJ-37 L1, Triangle, R2, Triangle, Triangle, R1 Armor Power-Up R1, Triangle, R1, Triangle, L1, Square Double Pick-Ups L1, L2, Circle, L1, R1, Square Duke Nukem Trailer Square, Square, Circle, Circle, Triangle, Triangle Funtopia Level X, Circle, L2, X, Square, L1 Goliath Triangle, L1, R1, X, L2, L2 Helicopter L1, Triangle, R2, Triangle, Triangle, R1 Infinite Turbos Square, X, Circle, Triangle, R1, R2 Nightshade R1, R2, L1, L1, X, Circle Nightside R1, R2, L1, L1, X, Circle Play as Nightshade R1, R2, L1, L1, X, Circle Stillbirth Triangle, L1, R1, X, L2, L2 UFO R1, Square, X, Square, L2, Circle Xagnar The Abducter R1, Square, X, Square, L2, Circle
Blow Up Earth and God Mode
Start the level Area 51. Next, upgrade the remote mines to the highest level, and lay them next to the crashed saucer in the corner of the level. Go to the middle of the level and use the teleport to get up to the moon. Once on the moon, detonate the mine. The earth will then blow up in a huge explosion. Afterwards, fragments of the earth will crash into the moon and make it explode too, and you will be stuck out in the middle of space. You will have full health and weapons out in space, but nothing to do with them. Quit the level and start another and God Mode will still be activated with all weapons and invincibility.
Contributed By: mootootwo.
Secret Area in Quake-A-Roni
Once fighting in Quake-A-Roni, you may see a building that seems to be tilting in one direction. Fire a few missles at it and watch it blow. Once that is over, notice a building nearby has a hole in it. Now drive through where there's a few weapon pick-ups and a monument to blow up.
Contributed By: Carter12.
Know Something We Don't?
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