| Title | Year | Genre |
|---|---|---|
| Water Blue | ???? | Adventure |
| Whipple | 1996 | Puzzle |
| White Fantasia In Sucharaka Battle | ???? | RPG |
| White Flag The Pinball | 1994 | Pinball |
| Wild Card | ???? | Slot machine |
| Wind Blast | 1991 | Action |
| Wind of Cave | ???? | Action |
| Wind Trooper' Nekishilce 4 | ???? | Shooter |
| Wings | 1989 | Aerial fighting |
| Wips II | 1989 | Arcade |
| Wire Racing | ???? | Racing |
| Wokku | ???? | Arcade |
| World Court | 1988 | Tennis |
| World Golf III | 1991 | Golf |
| World Stadium | 1988 | Baseball |
| Wrecking Crew | 1995 | Arcade |
| Wrestle Angels 3 | 1994 | Adventure |
| X Tank | ???? | Action |
| X68K Grand Prix F1 Race | ???? | F1 racing |
| Xadlak | 1993 | Shooter |
| Xak | 1990 | RPG |
| Xak II Rising of The Redmoon | 1992 | Adventure |
| Xanadu | 1994 | RPG |
| Xenon 2 Megablast | 1990 | Shooter |
| Xevious | ???? | Shooter |
| Xna | ???? | RPG |
| XX-Files R | ???? | Action |
| Y2 | 1994 | Shooter |
| Yadamon in Space | 1996 | Shooter |
| Yami No Ketsuzoku | ???? | Adventure |
| Yaritai Houdai | ???? | Adventure |
| Yaritai Houdai 2 | ???? | Adventure |
| Yesterday | 1990 | RPG |
| Yet Another Column | ???? | Puzzle |
| Yonkaku | ???? | Arcade |
| Yoru No Tenshitachi | 1989 | Adventure |
| Youjuu Club | ???? | Arcade |
| Youjuu Club 2 | 1991 | Arcade |
| Youjuu Senki AD 2048 | ???? | Adventure |
| Ys 1 Ancient Ys Vanished Omen | ???? | Adventure |
| Ys 3 Wanderers from Ys | 1990 | RPG |
| Ys II Ancient Ys Vanished The Final Chapter | ???? | Adventure |
| Yukigassen 2 | ???? | Arcade |
| Zs Staff Pro 68k | 1987 | Drawing |
| Zugya | 1996 | Shooter |
