Racjin

Racjin (initially named Racdym up to 2000) is a Japanese video game developer and manufacturer founded in 1995 and based in Osaka. The company has developed various installments of the ' series and multiple fighting games based on the ' and  franchises, among others.

Racjin contributed to the development of the Wii installments of the Mario & Sonic at the Olympic Games series; the company also co-developed Mario & Sonic at the Rio 2016 Olympic Games Arcade Edition and Mario & Sonic at the Olympic Games Tokyo 2020.