well here are some more ok. for extra 5000 plastic is y,x,b,a,y,b for extra electricity is y,b,x,a,y,a for all units deal more/take less damage is b,b,a,y,a,b and call in para trooper(one time per level) is x,b,b,b,y,y these cheats are for gamecube to be sure i think this is right gcn stands for gamecube nintindo? if not im very sorry for mistake thanks and injoy!!