Clay Fighter 63 1/3 is a fighting game released for the Nintendo 64 in the USA. Being part of the Clay Fighter series, it focuses on claymation fighters battling it out. The US release may have differences from the European version regarding characters, stages, or minor adjustments to the game's mechanics.  Further information is needed to elaborate on its development and release history.

Clay Fighter 63 1-3 (USA)

City-Tour GP - Zen-Nihon GT Senshuken (Japan)