| Game Name | System |
|---|
| Warriors of Fate (World 921031) | MAME |
| Warzard (Japan 961023) | MAME |
| Warzard (Japan 961121) | MAME |
| Watashiha Suzumechan (Japan) | MAME |
| Water Balls | MAME |
| Water Match (315-5064) | MAME |
| Water Ski | MAME |
| Water-Nymph (Ver. 1.4) | MAME |
| Waterworld (rev.2) | MAME |
| Waterworld (rev.3) | MAME |
| Wave Runner (Japan, Revision A) | MAME |
| Wave Runner GP | MAME |
| Wave Runner GP (USA, Rev A) | MAME |
| Wave Shark (UAB, USA v1.04) | MAME |
| Waveterm A | MAME |
| Wavy MPC-10 (MSX1) | MAME |
| Wavy MPC-25FD (MSX2) | MAME |
| Wavy MPC-27 (MSX2) | MAME |
| Wavy PHC-23 (Japan) (MSX2) | MAME |
| Wavy PHC-55FD2 (MSX2) | MAME |
| Wavy PHC-77 (MSX2) | MAME |
| Way In (Barcrest) (MPU4) (set 1) | MAME |
| Way In (Barcrest) (MPU4) (set 2) | MAME |
| Wayne Gretzky's 3D Hockey | MAME |
| Weakest Leek Club (Global) (EPOCH) (set 1) | MAME |
| Weakest Leek Club (Global) (EPOCH) (set 2) | MAME |
| Wedding Rhapsody (GX624 JAA) | MAME |
| Welltris (Japan, 2 players) | MAME |
| Welltris (World?, 2 players) | MAME |
| Werewolf Wild (10288711, NSW/ACT) | MAME |
| Werner (German) (PR7027, GWER) (Nova) (Scorpion 4) (set 1) | MAME |
| Werner (German) (PR7027, GWER) (Nova) (Scorpion 4) (set 2) | MAME |
| West Story (bootleg of Blood Bros.) | MAME |
| Western (JPM) (MPS) | MAME |
| Western Dream | MAME |
| Western Express (Japan, rev 4) | MAME |
| Western Express (bootleg set 1) | MAME |
| Western Express (bootleg set 2) | MAME |
| Western Express (bootleg set 3) | MAME |
| Western Gun Part II | MAME |
| Western Venture (Ver. AA.02.D) | MAME |
| Wet & Wild (Mazooma) (Scorpion 4) (set 1) | MAME |
| Wet & Wild (Mazooma) (Scorpion 4) (set 2) | MAME |
| Wet & Wild (Mazooma) (Scorpion 4) (set 3) | MAME |
| Wet & Wild (Mazooma) (Scorpion 4) (set 4) | MAME |
| Wet & Wild (Mazooma) (Scorpion 4) (set 5) | MAME |
| Wet & Wild (Mazooma) (Scorpion 4) (set 6) | MAME |
| Wet & Wild (Mazooma) (Scorpion 4) (set 7) | MAME |
| Whales of Cash (0451311, US) | MAME |
| Whales of Cash (0451346, US) | MAME |
| Whales of Cash (20155711, Malaysia) | MAME |
| What's Up Doc (Global) (EPOCH) (set 1) | MAME |
| What's Up Doc (Global) (EPOCH) (set 2) | MAME |
| What's Up Doc (Global) (EPOCH) (set 3) | MAME |
| What's Up Doc (Global) (EPOCH) (set 4) | MAME |
| What's Up Doc (Global) (EPOCH) (set 5) | MAME |
| What's Up Doc (Global) (EPOCH) (set 6) | MAME |
| What's Up Dr (Scorpion 1?) | MAME |
| Wheel Of Fortune (Global) (set 1) | MAME |
| Wheel Of Fortune (Global) (set 2) | MAME |
| Wheel Of Fortune (Global) (set 3) | MAME |
| Wheel Of Fortune (Project) (PROCONN) | MAME |
| Wheel Of Fortune (set 1) | MAME |
| Wheel Of Fortune (set 2) | MAME |
| Wheel Of Wealth (Bellfruit) (PR1726) (Scorpion 4) (WHEL013, set 1) | MAME |
| Wheel Of Wealth (Bellfruit) (PR1726) (Scorpion 4) (WHEL013, set 2) | MAME |
| Wheel of Fortune v1.0 | MAME |
| Wheel of Fortune v2.0 | MAME |
| Wheel of Fortune v2.0 (French) | MAME |
| Wheel of Fortune v2.0 (German) | MAME |
| Wheel of Fortune v2.0 (Italian) | MAME |
| Wheel of Fortune v3.0 | MAME |
| Wheel of Fortune v3.0 (French) | MAME |
| Wheel of Fortune v3.0 (German) | MAME |
| Wheel of Fortune v3.0 (Italian) | MAME |
| Wheel of Fortune v3.0 (Spanish) | MAME |
| Wheel of Fortune v4.0 | MAME |
| Wheel of Fortune v4.0 (French) | MAME |
| Wheel of Fortune v4.0 (German) | MAME |
| Wheel of Fortune v4.0 (Italian) | MAME |
| Wheel of Fortune v4.0 (Spanish) | MAME |
| Wheel of Fortune v5.0 | MAME |
| Wheel of Fortune v5.0 (French) | MAME |
| Wheel of Fortune v5.0 (German) | MAME |
| Wheel of Fortune v5.0 (Italian) | MAME |
| Wheel of Fortune v5.0 (Spanish) | MAME |
| Wheels & Fire | MAME |
| Wheels Runner | MAME |
| Where's The Gold (10124811, NSW/ACT) | MAME |
| Where's The Gold (10124811, NSW/ACT, Show Program) | MAME |
| Where's the Gold (20177111, Malaysia) | MAME |
| Whirlwind (L-2) | MAME |
| Whirlwind (L-3) | MAME |
| Whirlwind (LG-3) | MAME |
| White Force | MAME |
| White Russia (Konami Endeavour) | MAME |
| White Tiger (3VXFC5342, New Zealand) | MAME |
| White Tiger Classic (0200954V, NSW/ACT) | MAME |
| White Water (0151075, US) | MAME |
| White Water (L-2) | MAME |
