The Adventures of Jimmy Neutron Boy Genius vs. Jimmy Negatron

Jimmy Neutron and his class are wandering the Retroville Museum. Suddenly, (POOF!) Jimmy finds himself in another dimension staring at HIMSELF! Kidnapped and held captive in an evil parallel dimension, Jimmy’s gotta find a way back to his dimension and save the town of Retroville!

Retroland and Jimmy Negatron
In a rush to go to Retroland, so you can go beat up your evil double! Then at the Main Menu when the “Blue Neutron” appear’s on Jimmy’s super computer, press down until Jimmy says “Can I continue a game?” Press A and you will be taken to a code screen. All letters marked as (B), are circled letters.

Retroland and Jimmy Negatron with Full Life & Ammo: DBD7M(V)GZ

This code will let you go through Retroland and fight Jimmy Negatron with 3 Jimmy Neutrons remaining, a full bar of life, and a full bar of ammo.

Unlocking More Levels
At the Main Menu when the ”Blue Neutron” appear’s on Jimmy’s super computer, press down until Jimmy says ”Can I continue a game?” Press A and you’ll be taken to a code screen. All letters marked as (B), are circled letters.

Powerstation, My Computer, and Caves Levels: NBODLH(D)L

Quantum Dimension, Jelly Dimmension, and Rocket Launch Site: D(B)(Y)B4V(H)V

Level Select Passwords

  • Level 2: JJB?X6XC9!QW
  • Level 3: 5Q76J0KHX14K
  • Level 4: ?DTGYSPQR$Y0
  • Level 5: VOKC98TYL-JN
  • Level 6: SDBH7F9MJ5+J
  • Level 7: C!1MBNIL4?CC
  • Level 8: 8XY271+z?8B3

Other Cheats, Tips, Tricks, Secrects & Codes