Osamu Yamauchi - is a video game director. Osamu Yamauchi began his career in 2003 and has worked for companies such as Nintendo. Osamu Yamauchi's first game was WarioWare, Inc.: Mega Microgame$! which was released 21 years ago. Best Game Osamu Yamauchi contributed to was WarioWare, Inc.: Mega Microgame$!. Osamu Yamauchi's latest work is WarioWare, Inc.: Mega Party Games! which was released 20 years ago.