Originally posted by Belgarath
actually the game you are referring about is International Karate Advanced, not to be confused with IK+
IK+ for gba is a complete port of the amiga version!
The GBA port of the Amiga IK+ is an exclusive to Game/Electronics Boutique/whatever they're called this week. As everyone else has said, it's the best game on the GBA. The best Amiga port, anyway. Ignoring the odd collision detection problem and some inexplicable slowdown on the attract sequence.