Mega Monster Battle: Ultra Coliseum DX - The Gathering of The Ultra Heroes! is an Arcade Action game from the Ultra published by Namco and Bandai and focuses on the Ultra Galaxy series. This game had created the Data Cardass version, which is Mega Monster Battle: RR.

Mega Monster Battle: Ultra Coliseum DX - The Gathering of The Ultra Heroes! is an Arcade Action game from the Ultra published by Namco and Bandai and focuses on the Ultra Galaxy series. This game had created the Data Cardass version, which is Mega Monster Battle: RR.