| Title | Year | Genre |
|---|---|---|
| Taikyoku Igo - Heisei Kiin | 2000 | Puzzle |
| Tanjou Debut for WonderSwan | 2000 | Strategy |
| Tare Panda no GunPey | 1999 | Puzzle |
| Tekken Card Challenge | 1998 | RPG |
| Tenori-on | 2000 | Puzzle |
| Terrors | 1999 | Adventure |
| Terrors 2 | 2000 | Adventure |
| Tetris | 2002 | Puzzle |
| Tetsujin 28 Gou | 1999 | RPG |
| Time Bokan Series - Bokan Densetsu - Buta mo Odaterya Doronboo | 2000 | RPG |
| Tokyo Majin Gakuen - Fuju Houroku | 2000 | RPG |
| Tonpuusou | 2001 | Mahjong |
| Trump Collection - Bottom-Up Teki Trump Seikatsu | 1999 | Cards |
| Trump Collection 2 - Bottom-Up Teki Sekaiisshuu no Tabi | 2000 | Cards |
| Turntablist - DJ Battle | 1999 | Music / Dance |
