| Game Name | System |
|---|
| WPC 95 Test Fixture (1.2) | MAME |
| WPC Test Fixture: Alphanumeric (1.3) | MAME |
| WPC Test Fixture: DMD (L-3) | MAME |
| WPC Test Fixture: Security (1.2) | MAME |
| WW III | MAME |
| WWF Royal Rumble | MAME |
| WWF Royal Rumble (1.03) | MAME |
| WWF Royal Rumble (1.06) | MAME |
| WWF Superstars (Europe) | MAME |
| WWF Superstars (Japan) | MAME |
| WWF Superstars (US) | MAME |
| WWF Superstars (US, Newer) | MAME |
| WWF Superstars (bootleg) | MAME |
| WWF WrestleFest (Japan) | MAME |
| WWF WrestleFest (Korea) | MAME |
| WWF WrestleFest (US bootleg) | MAME |
| WWF WrestleFest (US) | MAME |
| WWF WrestleFest (World) | MAME |
| WWF: Wrestlemania (rev 1.1 07/11/95) | MAME |
| WWF: Wrestlemania (rev 1.20 08/02/95) | MAME |
| WWF: Wrestlemania (rev 1.30 08/10/95) | MAME |
| Wack-A-Doodle-Doo (Redemption) | MAME |
| Wacko | MAME |
| Wacky Gator | MAME |
| Wacky Racer (Mdm) (MPU3) | MAME |
| Wacky Racers (Bellfruit) (Scorpion 5) (set 1) | MAME |
| Wacky Racers (Bellfruit) (Scorpion 5) (set 2) | MAME |
| Wacky Racers (Bellfruit) (Scorpion 5) (set 3) | MAME |
| Wacky Racers (Bellfruit) (Scorpion 5) (set 4) | MAME |
| Wacky Weekend Club (Global) (MPU4) (set 1) | MAME |
| Wacky Weekend Club (Global) (MPU4) (set 2) | MAME |
| Wacky Weekend Club (Global) (MPU4) (set 3) | MAME |
| Wadzilla (Mazooma) (Scorpion 4) (set 1) | MAME |
| Wadzilla (Mazooma) (Scorpion 4) (set 2) | MAME |
| Waga Seishun no Arcadia | MAME |
| Wagon Trail (Maygay) (M1A/B) (set 1) | MAME |
| Wagon Trail (Maygay) (M1A/B) (set 2) | MAME |
| Wagon Trail (Maygay) (M1A/B) (set 3) | MAME |
| Wagon Trail (Maygay) (M1A/B) (set 4) | MAME |
| Wai Wai Jockey Gate-In! | MAME |
| Waiwai Animal Land Jr. (Japan) | MAME |
| Wakakusamonogatari Mahjong Yonshimai (Japan) | MAME |
| Waku Waku 7 | MAME |
| Waku Waku Doubutsu Land TonTon (Japan) | MAME |
| Waku Waku Marine | MAME |
| Waku Waku Sonic Patrol Car | MAME |
| Walkyria | MAME |
| Wall Crash (set 1) | MAME |
| Wall Crash (set 2) | MAME |
| Wall Street | MAME |
| Wall Street (Project) (PROCONN) | MAME |
| Wall Street Club (JPM) (SYSTEM5, set 1) | MAME |
| Wall Street Club (JPM) (SYSTEM5, set 2) | MAME |
| Wall-E | MAME |
| Wally wo Sagase! (rev A, Japan) (FD1094 317-0197A) | MAME |
| Wally wo Sagase! (rev A, Japan) (bootleg of FD1094 317-0197A set) | MAME |
| Wally wo Sagase! (rev B, Japan) (FD1094 317-0197B) | MAME |
| Wally wo Sagase! (rev B, Japan) (bootleg of FD1094 317-0197B set) | MAME |
| Wan Li Chang Cheng (China, V638C) | MAME |
| Wang Pai Dui Jue (China) | MAME |
| Wang Professional Computer | MAME |
| Wangan Midnight (WMN1 Ver. A) | MAME |
| Wangan Midnight Maximum Tune (Export) (Rev B) (GDX-0009B) | MAME |
| Wangan Midnight Maximum Tune (Japan) (Rev B) (GDX-0008B) | MAME |
| Wangan Midnight Maximum Tune 2 (Export) (GDX-0016) | MAME |
| Wangan Midnight Maximum Tune 2 (Export) (Rev A) (GDX-0016A) | MAME |
| Wangan Midnight Maximum Tune 2 (Japan) (GDX-0015) | MAME |
| Wangan Midnight Maximum Tune 2 (Japan) (Rev A) (GDX-0015A) | MAME |
| Wangan Midnight R (WMR1 Ver. A) | MAME |
| Wanted | MAME |
| War Gods (HD 08/15/1996) | MAME |
| War Gods (HD 10/09/1996 - Dual Resolution) | MAME |
| War Gods (HD 12/11/1995) | MAME |
| War Of The Wads (Mazooma) (Scorpion 5) (set 1) | MAME |
| War Of The Wads (Mazooma) (Scorpion 5) (set 2) | MAME |
| War Of The Worlds (Maygay) (M1A/B) (set 1) | MAME |
| War Of The Worlds (Maygay) (M1A/B) (set 2) | MAME |
| War Of The Worlds (Maygay) (M1A/B) (set 3) | MAME |
| War of Aero - Project MEIOU | MAME |
| War of the Bugs or Monsterous Manouvers in a Mushroom Maze | MAME |
| War of the Bugs or Monsterous Manouvers in a Mushroom Maze (German) | MAME |
| War of the Bugs or Monsterous Manouvers in a Mushroom Maze (US) | MAME |
| War of the Worlds | MAME |
| War of the Worlds (color) | MAME |
| War: The Final Assault (EPROM 1.3 Apr 7 1999, GUTS 1.3 Apr 7 1999, GAME Apr 7 1999) | MAME |
| War: The Final Assault (EPROM 1.6 Jan 14 1999, GUTS 1.1 Mar 16 1999, GAME Mar 16 1999) | MAME |
| War: The Final Assault (EPROM 1.9 Mar 25 1999, GUTS 1.3 Apr 20 1999, GAME Apr 20 1999) | MAME |
| Wardner (World) | MAME |
| Wardner no Mori (Japan) | MAME |
| Warlok (L-3) | MAME |
| Warlords | MAME |
| Warp & Warp | MAME |
| Warp Speed (prototype) | MAME |
| Warp Warp (Rock-Ola set 1) | MAME |
| Warp Warp (Rock-Ola set 2) | MAME |
| Warrior | MAME |
| Warrior Blade - Rastan Saga Episode III (Japan) | MAME |
| Warriors of Fate ('sgyxz' bootleg) | MAME |
| Warriors of Fate (USA 921031) | MAME |
| Warriors of Fate (World 921002) | MAME |
