UD Technology Inc (ユーディテック・ジャパン株式会社): On December 20, 2003, UD Technology Inc announced its merger with SETA Corporation, effective April 1, 2004. The merged entity became the headquarters for SETA Corporation's Unified Communication business.
IKUSABUNE Co., Ltd. (株式会社企画デザイン工房戦船): Merged into SETA Corporation and became the headquarters for SETA Corporation's Image Contents business on April 1, 2004.
U.S. Classic (1987; distributed by Taito in North America, one of America's top eight best-selling arcade games of 1989)
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Thunder & Lightning (1990)
Super Real Mahjong PV (1994; Japan's seventh highest-grossing arcade printed circuit board (PCB) software of 1995)
Nintendo Entertainment System
J.B. Harold Murder Club
The Adventures of Tom Sawyer
Castle of Dragon (developed by Athena)
Formula One: Built to Win
Honshogi: Naitou Kudan Shogi Hiden
8 Eyes
Morita Shogi
Magic Darts
Silva Saga
Bio Force Ape (Unreleased; a prototype version of the unreleased game was recovered and made available online)
UWC (Unreleased game based on WCW; a review copy was uncovered in 2019)
Game Boy
Ayakashi no Shiro
Battle Bull
QBillion
Torpedo Range
Super NES/Super Famicom
A.S.P.: Air Strike Patrol
Cacoma Knight in Bizyland (English version only - Original Japanese version by Datam Polystar)
F1 ROC: Race Of Champions
F1 ROC II: Race of Champions
GD Leen
Hayazashi Nidan Morita Shogi
Hayazashi Nidan Morita Shogi 2
Kendo Rage (Makeruna Makendo) (English version only - Original Japanese version by Datam Polystar)
Musya: The Classic Japanese Tale of Horror (English version only - Original Japanese version by Datam Polystar)
Super Stadium
Nosferatu
The Wizard of Oz
Shodan Morita Shogi
Silva Saga II: The Legend of Light and Darkness
Super Real Mahjong P4
Super Real Mahjong P5 Paradise
TurboGrafx-16/PC Engine
Super Real Mahjong P5 Custom
Nintendo 64
Chopper Attack
Eikō no Saint Andrews
Saikyō Habu Shōgi
Morita Shogi 64
Pachinko 365
Tetris 64
Ultimate War (cancelled)
Ide Yosuke no Mahjong Juku
PlayStation
Kanazawa Shogi '95
Saturn
Shougi Matsuri
Super Real Mahjong P5
Super Real Mahjong P6
Super Real Mahjong P7
Super Real Mahjong Graffiti
Kanazawa Shougi
Real Mahjong Adventure "Umi-He": Summer Waltz
GameCube
Legend of Golfer
Xbox 360
Project Sylpheed
M65C02
Cal.50 - Licensed to Taito
Macintosh
Super Real Mahjong P4
3DO
Super Real Mahjong P