Plot: Super Hero Operations: Diedal's Ambition is an RPG for the PlayStation that features popular tokusatsu such as Ultraman Gaia and Kamen Rider. It is the only sequel to Super Hero Operations, also for PlayStation. Wikipedia
Plot: Battle Soccer: Field no Hasha is a soccer video game, developed by Pandora Box and published by Banpresto, which was released exclusively in Japan in 1992. This game features many popular Japanese franchise characters from the Godzilla, Ultraman, Kamen Rider and Gundam franchises. Wikipedia
Plot: SD the Great Battle is a top-down platforming shoot 'em up video game released for the Super Famicom on December 29, 1990. A crossover of the Ultra Series, Kamen Rider, and Gundam franchises, characters from these franchises are playable. The game is presented in a super deformed style. Wikipedia