A-Rank Thunder Tanjouhen (Aランクサンダー 誕生編?) is a adventure game released in 1993 on Mega-CD. The game was developed by Riot and released by Telenet. The game's cover art was created by Yasushi Nirasawa, in his position as a model-builder for Hobby Japan magazine.

A-Rank Thunder Tanjouhen (Aランクサンダー 誕生編?) is a adventure game released in 1993 on Mega-CD. The game was developed by Riot and released by Telenet. The game's cover art was created by Yasushi Nirasawa, in his position as a model-builder for Hobby Japan magazine.