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GameRadar has 2 cheats, tips, hints, unlockables, and FAQs for Jimmy Neutron vs. Jimmy Negatron for GBA.
Visit CheatCodes.com for more Jimmy Neutron vs. Jimmy Negatron cheats, or to submit your own cheat codes, hints, unlockables, or FAQs for Jimmy Neutron vs. Jimmy Negatron for Game Boy Advance.
Cindy's Dream
To not get hit by the butterflies while standing, use Goddored. He is shorter and won't get hit by them. But you still have to watch out for the butterflies when you jump.
Unlock More Levels
To use these codes, go to the main menu. When you see a blue neutron on Jimmy's computer, press down. Jimmy will say in a speech bubble "Can I continue a game?" Press A to bring up a code screen. All circled letters are presented as "(B)"
Power Plant, My Computer, and Caves V(L)17B(F)D(J) Quantum Dimension, Jelly Dimension, Rocket Launch Site XM(6)(B)(M)4(L)(L) Retroland and Jimmy Negatron (H)WGB5(C)L(H)Each codes unlock the level that the code mentions with a full bar of life and a full bar of ammo.
