| title | developer | year | game type | | pop. |
|---|
| Wallball | Tynesoft | 198? | MSX | action/reflex | image | | label | |
| War Chess | Idealogic | 1986 | MSX | | | | | |
| War in Middle Earth | Animagic | 1989 | MSX | strategy Fantasy | image | | label | |
| Warp Warp | Namco | 1984 | MSX | action/reflex maze shooter Science Fiction | image | | label | |
| Warrior | ASCII | 1983 | MSX | action/reflex maze role-play Fantasy | image | | label | |
| Warroid | ASCII Yellow Horn;Y.Takata | 1985 | MSX | | image | | label | |
| Warroid | Yellow Horn | 1985 | MSX | shooter | image | | | |
| WEC Le Mans | Imagine | 1988 | MSX | racing/driving | image | | label | |
| Wedding Bells | Colpax | 1985 | MSX | action/reflex | image | | | |
| Wells & Fargo | Bi Software | 1988 | MSX | action/reflex shooter Historical | image | | label | |
| West | Newsoft | 1987 | MSX | shooter | image | | | |
| West Bank | Dinamic | 1985 | MSX | shooting gallery Historical | image | | label | |
| Who Dares Wins II | Alligata | 1986 | MSX | shooter | image | | label | |
| Whopper Chase | Erbe Software | 1987 | MSX | platformer shooter | image | | label | |
| Wild Cat | Nippon Columbia | 1985 | MSX | | | | | |
| Wingman | Enix | 1985 | MSX | adventure Manga | | | | |
| Wingman 2 | Enix | 1987 | MSX | adventure Manga | image | | | |
| Winter Events | Anco | 1987 | MSX | sport | image | | label | |
| Winter Games | U.S. Gold;Erbe Software | 1986 | MSX | sport | image | | label | |
| Winter Olympics | Tynesoft | 1986 | MSX | sport | image | | label | |
| Winterhawk | Eurosoft | 1988 | MSX | shooter | image | | label | |
| Wizard's Lair | Bubble Bus | 1986 | MSX | action/reflex adventure Fantasy | image | | label | |
| Wonsiin | Zemina | 1991 | MSX | shooter | image | | label | |
| Word Invaders | SapphiRe Soft | 2006 | MSX | action/reflex | image | | | |
| World Cup Soccer: Italia '90 | Probe Software | 1990 | MSX | sport | image | | label | |
| World Games | Choice Software | 1987 | MSX | sport | image | | label | |
| Worry | Micro Cabin | 1985 | MSX | | | | | |
| Wrangler | Indescomp | 1985 | MSX | shooter | image | | label | |
| Xadrama | Renato de Mello | 1990 | MSX | | | | | |
| Xarchon | Micro MSX | 1986 | MSX | board game | image | | | |
| Xenon | Melbourne House | 1988 | MSX | shooter Science Fiction | image | | label | |
| Xeros | - | 1999 | MSX | | | | | |
| Xetra | Silva Soft | 1987 | MSX | | image | | | |
| XORZ | Metal Soft | 2009 | MSX | puzzle | image | | | |
| XRacing | Brain Games | 2018 | MSX | action/reflex | image | | | |
| XSpelunker | Brain Games | 2017 | MSX | platformer adventure | image | | label | |
| Xybots | Teque | 1989 | MSX | maze shooter Science Fiction | image | | label | |
| Xyzolog | Compile | 1985 | MSX | action/reflex | image | | label | |
