| Name | Description | Year | Manufacturer | Rom | Clone | Sample |
| wldwitchd | Wild Witch (Export, 6T/12T ver 1.62B) | 1994 | Video Klein | wldwitch | wldwitch | |
| wldwitche | Wild Witch (Export, 6T/12T ver 1.62A-F) | 1994 | Video Klein | wldwitch | wldwitch | |
| wldwitchf | Wild Witch (Export, 6T/12T ver 1.62A alt) | 1994 | Video Klein | wldwitch | wldwitch | |
| wldwitchg | Wild Witch (Export, 6T/12T ver 1.62B alt) | 1994 | Video Klein | wldwitch | wldwitch | |
| wldwitchh | Wild Witch (Export, 6T/12T ver 1.65A) | 1995 | Video Klein | wldwitch | wldwitch | |
| wldwitchi | Wild Witch (Export, 6T/12T ver 1.65A-S) | 1996 | Video Klein | wldwitch | wldwitch | |
| wldwitchj | Wild Witch (Export, 6T/12T ver 1.65A-S alt) | 1996 | Video Klein | wldwitch | wldwitch | |
| wldwitchk | Wild Witch (Export, 6T/12T ver 1.65A-N) | 1996 | Video Klein | wldwitch | wldwitch | |
| wldwitchl | Wild Witch (Export, 6T/12T ver 1.70A beta) | 1996 | Video Klein | wldwitch | wldwitch | |
| wldwitchm | Wild Witch (Export, 6T/12T ver 1.70A) | 1996 | Video Klein | wldwitch | wldwitch | |
| wldwitchn | Wild Witch (Export, 6T/12T ver 1.70A alt) | 1997 | Video Klein | wldwitch | wldwitch | |
| wldwitcho | Wild Witch (Export, 6T/12T ver 1.74A-SP-BELG) | 1998 | Video Klein | wldwitch | wldwitch | |
| wldwitchp | Wild Witch (Export, 6T/12T ver 1.74A) | 1998 | Video Klein | wldwitch | wldwitch | |
| wldwitchq | Wild Witch (Export, 6T/12T ver 1.74A alt) | 1998 | Video Klein | wldwitch | wldwitch | |
| wldwitchr | Wild Witch (Export, 6B/12B ver 1.75A-E English) | 1999 | Video Klein | wldwitch | wldwitch | |
| wldwitchs | Wild Witch (Export, 6T/12T ver 1.76A) | 1999 | Video Klein | wldwitch | wldwitch | |
| wldwitcht | Wild Witch (Export, 6T/12T ver 1.77A) | 1999 | Video Klein | wldwitch | wldwitch | |
| wldwitchu | Wild Witch (Export, 6T/12T ver 1.79A) | 2000 | Video Klein | wldwitch | wldwitch | |
| wldwitchv | Wild Witch (Export, 6T/12T ver 1.83A) | 2001 | Video Klein | wldwitch | wldwitch | |
| wlsair60 | Wireless Air 60 | 2010 | Jungle Soft / Kids Station Toys Inc | | | |
| wlstar | Wonder League Star - Sok-Magicball Fighting (Korea) | 1995 | Mijin | | | |
| wmatch | Water Match (315-5064) | 1984 | Sega | | | |
| wmbullet | Bullet | 1982 | Wave Mate | | | |
| wmbulletf | Bullet (Revision F) | 1984 | Wave Mate | wmbullet | wmbullet | |
| wmega | Wondermega (Japan, NTSC) | 1992 | Sega | xeye | xeye | |
| wmegam2 | Wondermega M2 (Japan, NTSC) | 1993 | Victor | xeye | xeye | |
| wmg | Williams Multigame | 2001 | hack (Clay Cowgill) | | | |
| wms | WMS SetUp/Clear Chips (set 1) | 200? | WMS | | | |
| wmsa | WMS SetUp/Clear Chips (set 2) | 200? | WMS | wms | wms | |
| wmsadpcm | Williams ADPCM Sound Board | | | | | |
| wmsb | WMS SetUp/Clear Chips (set 3) | 200? | WMS | wms | wms | |
| wmsboom | Boom (Russian) | 1998 | WMS | | | |
| wmscvsd | Williams CVSD Sound Board | | | | | |
| wmsnarc | Williams NARC Sound Board | | | | | |
| wmss11 | Williams System 11 Sound Board | | | | | |
| wmss4 | Williams System 4 Sound Board | | | | | |
| wmss6 | Williams System 6 Sound Board | | | | | |
| wmss9 | Williams System 9 Sound Board | | | | | |
| wmstopb | Top Banana (Russian) | 1999 | WMS | | | |
| wndrmomo | Wonder Momo | 1987 | Namco | | | |
| wndrplnt | Wonder Planet (Japan) | 1987 | Data East Corporation | | | |
| wnpost | Winning Post (RHG0418-04, US) | 1997 | Aristocrat | aristmk5 | | |
| wof | Warriors of Fate (World 921031) | 1992 | Capcom | | | |
| wof_100a | Wheel of Fortune v1.0 | 2007 | Stern | wof_500a | wof_500a | |
| wof_200a | Wheel of Fortune v2.0 | 2007 | Stern | wof_500a | wof_500a | |
| wof_200f | Wheel of Fortune v2.0 (French) | 2007 | Stern | wof_500a | wof_500a | |
| wof_200g | Wheel of Fortune v2.0 (German) | 2007 | Stern | wof_500a | wof_500a | |
| wof_200i | Wheel of Fortune v2.0 (Italian) | 2007 | Stern | wof_500a | wof_500a | |
| wof_300a | Wheel of Fortune v3.0 | 2007 | Stern | wof_500a | wof_500a | |
| wof_300f | Wheel of Fortune v3.0 (French) | 2007 | Stern | wof_500a | wof_500a | |
| wof_300g | Wheel of Fortune v3.0 (German) | 2007 | Stern | wof_500a | wof_500a | |
| wof_300i | Wheel of Fortune v3.0 (Italian) | 2007 | Stern | wof_500a | wof_500a | |
| wof_300l | Wheel of Fortune v3.0 (Spanish) | 2007 | Stern | wof_500a | wof_500a | |
| wof_400a | Wheel of Fortune v4.0 | 2007 | Stern | wof_500a | wof_500a | |
| wof_400f | Wheel of Fortune v4.0 (French) | 2007 | Stern | wof_500a | wof_500a | |
| wof_400g | Wheel of Fortune v4.0 (German) | 2007 | Stern | wof_500a | wof_500a | |
| wof_400i | Wheel of Fortune v4.0 (Italian) | 2007 | Stern | wof_500a | wof_500a | |
| wof_400l | Wheel of Fortune v4.0 (Spanish) | 2007 | Stern | wof_500a | wof_500a | |
| wof_500a | Wheel of Fortune v5.0 | 2007 | Stern | | | |
| wof_500f | Wheel of Fortune v5.0 (French) | 2007 | Stern | wof_500a | wof_500a | |
| wof_500g | Wheel of Fortune v5.0 (German) | 2007 | Stern | wof_500a | wof_500a | |
| wof_500i | Wheel of Fortune v5.0 (Italian) | 2007 | Stern | wof_500a | wof_500a | |
| wof_500l | Wheel of Fortune v5.0 (Spanish) | 2007 | Stern | wof_500a | wof_500a | |
| wof_v11 | Wheel of Fortune (P517 V11, English) | 2000 | Coinmaster-Gaming, Ltd. | wof_v16 | wof_v16 | |
| wof_v16 | Wheel of Fortune (P517 V16, English) | 2000 | Coinmaster-Gaming, Ltd. | | | |
| wofa | Sangokushi II (Asia 921005) | 1992 | Capcom | wof | wof | |
| wofabl | Sangokushi II (bootleg) | 1992 | bootleg | wof | wof | |
| wofch | Tenchi wo Kurau II: Sekiheki no Tatakai (CPS Changer, Japan 921031) | 1994 | Capcom | | | |
| wofhfh | Huo Feng Huang (Chinese bootleg of Sangokushi II) | 1999 | bootleg | wof | wof | |
| wofj | Tenchi wo Kurau II: Sekiheki no Tatakai (Japan 921031) | 1992 | Capcom | wof | wof | |
| wofpic | Warriors of Fate (bootleg with PIC16C57) | 1992 | bootleg | wof | wof | |
| wofr1 | Warriors of Fate (World 921002) | 1992 | Capcom | wof | wof | |
| wofr1bl | Warriors of Fate (bootleg) | 1992 | bootleg | wof | wof | |
| wofu | Warriors of Fate (USA 921031) | 1992 | Capcom | wof | wof | |
| wolffang | Wolf Fang -Kuhga 2001- (Japan) | 1991 | Data East Corporation | rohga | rohga | |
| wolfman | Wolf Man | 1987 | Peyper | | | genpin |
| wolfpack | Wolf Pack (prototype) | 1978 | Atari | | | |
| wonder3 | Wonder 3 (Japan 910520) | 1991 | Capcom | 3wonders | 3wonders | |
| wondl96 | Wonder League '96 (Korea) | 1996 | SemiCom | | | |
| wondstck | Wonder Stick (set 1) | ???? | Yun Sung | | | |
| wondstcka | Wonder Stick (set 2, censored) | ???? | Yun Sung | wondstck | wondstck | |
| wontame | Won! Tertainment Happy Channel (Ver.1.00E 2008/02/21) | 2008 | Capcom / Tomy | | | |
| wontmuch | Won!Tertainment Music Channel (v1.00) | 2006 | Capcom | | | |
| woodpeca | Woodpecker (set 2) | 1981 | Amenip | woodpeck | woodpeck | |
| woodpeck | Woodpecker (set 1) | 1981 | Amenip (Palcom Queen River) | | | |
| worldadv | World Adventure | 1999 | Logic / F2 System | | | |
| worlddef | World Defender | 1985 | Bell Games | | | genpin |
| worldwar | World Wars (World?) | 1987 | SNK | | | |
| wotw | War of the Worlds | 1981 | Cinematronics | | | |
| wotw_audio | War of the Worlds Sound Board | | | | | |
| wotwc | War of the Worlds (color) | 1981 | Cinematronics | wotw | wotw | |
| wow | Wizard of Wor | 1980 | Dave Nutting Associates / Midway | | | |
| wowg | Wizard of Wor (with German language ROM) | 1980 | Dave Nutting Associates / Midway | wow | wow | |
| wownfant | WOW New Fantasia (Explicit) | 2002 | Comad | | | |
| wownfanta | WOW New Fantasia | 2002 | Comad | wownfant | wownfant | |
| wowwg | Wow Wireless Gaming (PAL) | 200? | Wow | | | |
| wpc | Williams WPC ASIC | | | | | |
| wpc_dmd | Williams Pinball Controller Dot Matrix Display | | | | | |
| wpc_lamp | Williams Pinball Controller Lamp Control | | | | | |
| wpc_out | Williams Pinball Controller Output Control | | | | | |
| wpc_pic | Williams Pinball Controller PIC Security | | | | | |
| wpc_shift | Williams Pinball Controller Shifter | | | | | |
| wpc250 | PC-250/16 | 1981 | Wang Laboratories, Inc. | ibm5170 | ibm5170 | |
| wpcsnd | Williams WPC Sound | | | | | |
| wpksoc | World PK Soccer | 1995 | Jaleco | | | |
| wpksocv2 | World PK Soccer V2 (ver 1.1) | 1996 | Jaleco | | | |
| wpt_103a | World Poker Tour v1.03 | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_105a | World Poker Tour v1.05 | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_106a | World Poker Tour v1.06 | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_106f | World Poker Tour v1.06 (French) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_106g | World Poker Tour v1.06 (German) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_106i | World Poker Tour v1.06 (Italian) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_106l | World Poker Tour v1.06 (Spanish) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_108a | World Poker Tour v1.08 | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_108f | World Poker Tour v1.08 (French) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_108g | World Poker Tour v1.08 (German) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_108i | World Poker Tour v1.08 (Italian) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_108l | World Poker Tour v1.08 (Spanish) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_109a | World Poker Tour v1.09 | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_109f | World Poker Tour v1.09 (French) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_109f2 | World Poker Tour v1.09 (French)(alt) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_109g | World Poker Tour v1.09 (German) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_109i | World Poker Tour v1.09 (Italian) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_109l | World Poker Tour v1.09 (Spanish) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_111a | World Poker Tour v1.11 | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_111af | World Poker Tour v1.11 (English,French) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_111ai | World Poker Tour v1.11 (English,Italian) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_111al | World Poker Tour v1.11 (English,Spanish) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_111f | World Poker Tour v1.11 (French) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_111g | World Poker Tour v1.11 (German) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_111gf | World Poker Tour v1.11 (German,French) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_111i | World Poker Tour v1.11 (Italian) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_111l | World Poker Tour v1.11 (Spanish) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_112a | World Poker Tour v1.12 | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_112af | World Poker Tour v1.12 (English,French) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_112ai | World Poker Tour v1.12 (English,Italian) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_112al | World Poker Tour v1.12 (English,Spanish) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_112f | World Poker Tour v1.12 (French) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_112g | World Poker Tour v1.12 (German) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_112gf | World Poker Tour v1.12 (German,French) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_112i | World Poker Tour v1.12 (Italian) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_112l | World Poker Tour v1.12 (Spanish) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_1400 | World Poker Tour v14.00 | 2006 | Stern | | | |
| wpt_1400af | World Poker Tour v14.00 (English,French) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_1400ai | World Poker Tour v14.00 (English,Italian) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_1400al | World Poker Tour v14.00 (English,Spanish) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_1400f | World Poker Tour v14.00 (French) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_1400g | World Poker Tour v14.00 (German) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_1400gf | World Poker Tour v14.00 (German,French) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_1400i | World Poker Tour v14.00 (Italian) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wpt_1400l | World Poker Tour v14.00 (Spanish) | 2006 | Stern | wpt_1400 | wpt_1400 | |
| wrally | World Rally (Version 1.0, Checksum 0E56) | 1993 | Gaelco | | | |
| wrally2 | World Rally 2: Twin Racing (mask ROM version) | 1995 | Gaelco | | | |
| wrally2a | World Rally 2: Twin Racing (EPROM version) | 1995 | Gaelco | wrally2 | wrally2 | |
| wrallya | World Rally (Version 1.0, Checksum 3873) | 1993 | Gaelco | wrally | wrally | |
| wrallyat | World Rally (US, 930217) | 1993 | Gaelco (Atari license) | wrally | wrally | |
| wrallyb | World Rally (Version 1.0, Checksum 8AA2) | 1993 | Gaelco | wrally | wrally | |
| wrallyc | World Rally (Version 1.0, Checksum E586) | 1993 | Gaelco | wrally | wrally | |
| wrecking | Vs. Wrecking Crew | 1984 | Nintendo | | | |
| wrestwar | Wrestle War (set 3, World) (8751 317-0103) | 1989 | Sega | | | |
| wrestwar1 | Wrestle War (set 1, Japan) (FD1094 317-0090) | 1989 | Sega | wrestwar | wrestwar | |
| wrestwar1d | Wrestle War (set 1, Japan) (bootleg of FD1094 317-0090 set) | 1989 | bootleg | wrestwar | wrestwar | |
| wrestwar2 | Wrestle War (set 2, World) (FD1094 317-0102) | 1989 | Sega | wrestwar | wrestwar | |
| wrestwar2d | Wrestle War (set 2, World) (bootleg of FD1094 317-0102 set) | 1989 | bootleg | wrestwar | wrestwar | |
| wrinkles | Talking Wrinkles | 1986 | Lakeside / Coleco / Ganz Bros | | | |
| wrldtour | Al's Garage Band Goes On A World Tour (R01c) | 1992 | Alvin G | | | genpin |
| wrldtour2 | Al's Garage Band Goes On A World Tour (R02b) | 1992 | Alvin G | wrldtour | wrldtour | genpin |
| wrldtour3 | Al's Garage Band Goes On A World Tour (R06a) | 1992 | Alvin G | wrldtour | wrldtour | genpin |
| wrlok_l3 | Warlok (L-3) | 1982 | Williams | | | genpin |
| wrlshunt | Wireless Hunting Video Game System | 2011 | Hamy / Kids Station Toys Inc | | | |
| wrofaero | War of Aero - Project MEIOU | 1993 | Yang Cheng | | | |
| wrungp | Wave Runner GP | 2001 | CRI / Sega | naomi | | |
| wrungpo | Wave Runner GP (USA, Rev A) | 2001 | CRI / Sega | wrungp | wrungp | |
| ws | Pro Yakyuu World Stadium (Japan) | 1988 | Namco | | | |
| ws_cart_slot | Wonderswan Cartridge Slot | | | | | |
| ws_eeprom | Wonderswan Carts w/EEPROM | | | | | |
| ws_rom | Wonderswan Standard Carts | | | | | |
| ws_sram | Wonderswan Carts w/SRAM | | | | | |
| ws_wwitch | WonderWitch | | | | | |
| ws89 | Pro Yakyuu World Stadium '89 (Japan) | 1989 | Namco | ws | ws | |
| ws90 | Pro Yakyuu World Stadium '90 (Japan) | 1990 | Namco | ws | ws | |
| wsbbgd | World Series Baseball / Super Major League (GDS-0010) | 2001 | Sega | naomigd | | |
| wschamp | Wing Shooting Championship V2.00 | 2001 | Sammy USA Corporation | | | |
| wschampa | Wing Shooting Championship V1.01 | 2001 | Sammy USA Corporation | wschamp | wschamp | |
| wschampb | Wing Shooting Championship V1.00 | 2001 | Sammy USA Corporation | wschamp | wschamp | |
| wscolor | WonderSwan Color | 2000 | Bandai | wswan | wswan | |
| wseries | World Series: The Season (rev 1) | 1985 | Cinematronics | | | |
| wseries0 | World Series: The Season (rev 0) | 1985 | Cinematronics | wseries | wseries | |
| wsf | World Soccer Finals (rev 4) | 1990 | Leland Corporation | | | |
| wsf_80186_sound | 80186 DAC (WSF) | | | | | |
| wsf3 | World Soccer Finals (rev 3) | 1990 | Leland Corporation | wsf | wsf | |
| wsjr | Who Shot Johnny Rock? (v1.6) | 1991 | American Laser Games | alg_bios | | |
| wsjr_15 | Who Shot Johnny Rock? (v1.5) | 1991 | American Laser Games | wsjr | wsjr | |
| wsports | Winter Sports | 1978 | Zaccaria | | | genpin |
| wstrike | Witch Strike (Export, 6T/12T ver 1.01A) | 1992 | Video Klein | | | |
| wstrikea | Witch Strike (Export, 6T/12T ver 1.01B) | 1992 | Video Klein | wstrike | wstrike | |
| wswan | WonderSwan | 1999 | Bandai | | | |
| wswan_sound | WonderSwan Custom Sound | | | | | |
| wswan_video | Bandai WonderSwam VDP | | | | | |
| wswe | World Soccer Winning Eleven Arcade Game Style | 2002 | Konami | kpython | | |
| wswe2k3 | World Soccer Winning Eleven Arcade Game 2003 | 2003 | Konami | kpython | | |
| wtalker | Weight Talker | 1985 | Technasonic | | | |
| wtchjack | Witch Jack (Export, 6T/12T ver 0.87-89) | 1996 | Video Klein | | | |
| wtchjacka | Witch Jack (Export, 6T/12T ver 0.87-88) | 1996 | Video Klein | wtchjack | wtchjack | |
| wtchjackb | Witch Jack (Export, 6T/12T ver 0.87) | 1996 | Video Klein | wtchjack | wtchjack | |
| wtchjackc | Witch Jack (Export, 6T/12T ver 0.70S) | 1996 | Video Klein | wtchjack | wtchjack | |
| wtchjackd | Witch Jack (Export, 6T/12T ver 0.70P) | 1996 | Video Klein | wtchjack | wtchjack | |
| wtchjacke | Witch Jack (Export, 6T/12T ver 0.65) | 1995 | Video Klein | wtchjack | wtchjack | |
| wtchjackf | Witch Jack (Export, 6T/12T ver 0.64) | 1995 | Video Klein | wtchjack | wtchjack | |
| wtchjackg | Witch Jack (Export, 6T/12T ver 0.62) | 1995 | Video Klein | wtchjack | wtchjack | |
| wtchjackh | Witch Jack (Export, 6T/12T ver 0.40T) | 1995 | Video Klein | wtchjack | wtchjack | |
| wtchjacki | Witch Jack (Export, 6T/12T ver 0.40) | 1995 | Video Klein | wtchjack | wtchjack | |
| wtchjackj | Witch Jackpot (Export, 6T/12T ver 0.25) | 1994 | Video Klein | wtchjack | wtchjack | |
| wtennis | World Tennis | 1982 | bootleg | | | |
| wtepee | Wild Tepee - Power Pay (20230211, NSW/ACT) | 2007 | Aristocrat | aristmk6 | | |
| wthing | Wild Thing (0101158V, NSW/ACT) | 1999 | Aristocrat | aristmk5 | | |
| wthinga | Wild Thing (0201176V, NSW/ACT) | 2000 | Aristocrat | wthing | wthing | |
| wtiger | White Tiger Classic (0200954V, NSW/ACT) | 1999 | Aristocrat | aristmk5 | | |
| wtigernz | White Tiger (3VXFC5342, New Zealand) | 1996 | Aristocrat | | | 3bagflvt |
| wtl3132 | Weitek 3132 | | | | | |
| wto2840sp | Web Touch One (model 2840, Terra, Spanish) | 1999 | Alcatel | | | |
| wtrnymph | Water-Nymph (Ver. 1.4) | 1996 | Subsino | | | |
| wulybuly | Wully Bully | 200? | <unknown> | crysbios | | |
| wunitvid | Midway W-Unit Video | | | | | |
| wupndown | Witch Up & Down (Export, 6T/12T ver 1.02) | 1998 | Video Klein | | | |
| wupndowna | Witch Up & Down (Export, 6T/12T ver 0.99, set 1) | 1998 | Video Klein | wupndown | wupndown | |
| wupndownb | Witch Up & Down (Export, 6T/12T ver 0.99, set 2) | 1998 | Video Klein | wupndown | wupndown | |
| wupndownc | Witch Up & Down (Export, 6T/12T ver 0.99, set 3) | 1998 | Video Klein | wupndown | wupndown | |
| wupndownd | Witch Up & Down (Export, 6T/12T ver 0.99T) | 1998 | Video Klein | wupndown | wupndown | |
| ww_l2 | White Water (L-2) | 1992 | Williams | ww_l5 | ww_l5 | |
| ww_l3 | White Water (L-3) | 1993 | Williams | ww_l5 | ww_l5 | |
| ww_l4 | White Water (L-4) | 1993 | Williams | ww_l5 | ww_l5 | |
| ww_l5 | White Water (L-5) | 2000 | Williams | | | |
| ww_lh5 | White Water (LH-5) | 2000 | Williams | ww_l5 | ww_l5 | |
| ww_lh6 | White Water (LH-6) | 2000 | Williams | ww_l5 | ww_l5 | |
| ww_p6 | White Water (P-6) | 1992 | Williams | ww_l5 | ww_l5 | |
| ww_p8 | White Water (P-8) | 1992 | Williams | ww_l5 | ww_l5 | |
| ww3 | WW III | 1981 | Irem | redalert | redalert | |
| wwallyj | Wally wo Sagase! (rev B, Japan, 2 players) (FD1094 317-0197B) | 1992 | Sega | | | |
| wwallyja | Wally wo Sagase! (rev A, Japan, 2 players) (FD1094 317-0197A) | 1992 | Sega | wwallyj | wwallyj | |
| wwallyja3p | Wally wo Sagase! (rev A, Japan, 3 players) (FD1094 317-0198A) | 1992 | Sega | wwallyj | wwallyj | |
| wwallyjad | Wally wo Sagase! (rev A, Japan) (bootleg of FD1094 317-0197A set) | 1992 | bootleg | wwallyj | wwallyj | |
| wwallyjd | Wally wo Sagase! (rev B, Japan) (bootleg of FD1094 317-0197B set) | 1992 | bootleg | wwallyj | wwallyj | |
| wwanpanm | Waku Waku Anpanman (Rev A) | 1992 | Sega | | | |
| wwaratah | Wild Waratah (10215911, NSW/ACT) | 2006 | Aristocrat | aristmk6 | | |
| wwaratahsp | Wild Waratah (10215911, NSW/ACT, Show Program) | 2006 | Aristocrat | wwaratah | wwaratah | |
| wways | Wild Ways (10106911, NSW/ACT) | 2002 | Aristocrat | aristmk6 | | |
| wwaysa | Wild Ways (10130111, ASP) | 2003 | Aristocrat | wways | wways | |
| wwdash | Wan Wan Dash (Japan, ver 1.01) | 2007 | Amuzy Corporation | | | |
| wwestern | Wild Western (set 1) | 1982 | Taito Corporation | | | |