The Great Battle Gaiden 2: Matsuri da Wasshoi

The Great Battle Gaiden 2: Matsuri da Wasshoi (Matsuri refers to a Japanese festival, at which "wasshoi" is regularly chanted) is an off-beat "gaiden" (side story) game in The Great Battle sub-franchise: the flagship games of the Compati Hero Series. The game is based around an alien invasion during a festival, and the four heroes (Ultraman, Kamen Rider, Knight Gundam from Gundam and Fighter Roar,...