The Mahjong Touhai-den is a Miscellaneous game, developed by Khaos and published by Video System, which was released in Japan in 1993.
Honkaku Mahjong: Tetsuman II is a Miscellaneous game, developed by Khaos and published by Naxat Soft, which was released in Japan in 1994.
Shodankurai Nintei: Shodan Pro Mahjong is a Miscellaneous game, developed by Khaos and published by Gaps, which was released in Japan in 1995.