Jimmy Neutron vs. Jimmy Negatron (GBA) Play as Jimmy Neutron as he battles his evil alter ego, Jimmy Negatron, in the first Jimmy Neutron 3D GBA game ever Out-smart and outwit Jimmy Negatron in 11 techno-filled levels Jimmy's gadgets galore include the shrink ray, the robot disassembling ray, the dimension jump ray, the rocket ship and Goddard Pit Negatron vs. Neutron in two multiplayer games: War of Electrons and Collecting Coins 1-2 player support