Chee-Chai Alien is a video game developed by Creatures, Inc. and released on the Game Boy Color in Japan on February 27, 2001. It was designed and developed by Hirokazu Tanaka.

The Game Boy Advance is a 32-bit handheld game console, manufactured by Nintendo, which was released in Japan on March 21, 2001, and to international markets that June. It was later released in mainla