| Name | Description | Year | Manufacturer | Rom | Clone | Sample |
| wafrica | Wild Africa (AHG1535, US) | 2001 | Aristocrat | aristmk5 | | |
| waidrive | WaiWai Drive | 2005 | MOSS / Sammy | awbios | | |
| waijockey | Wai Wai Jockey | 1993 | Konami | | | |
| wakeng | Wakeng | 2006 | Sealy | | | |
| wakuwak7 | Waku Waku 7 | 1996 | Sunsoft | neogeo | | |
| wales210 | ES-210 | 199? | Walther | | | |
| walk386dx | Walkstation 386DX | 1992 | Triumph-Adler | ibm5170 | ibm5170 | |
| walk386sx | Walkstation 386 SX | 1992 | Triumph-Adler | ibm5170 | ibm5170 | |
| walkyria | Walkyria | 1986 | Joctronic | | | |
| wallc | Wall Crash (set 1) | 1984 | Midcoin | | | |
| wallca | Wall Crash (set 2) | 1984 | Midcoin | wallc | wallc | |
| wallst | Wall Street | 1982 | Century Electronics | | | |
| wamazon | Wild Amazon (0200507V, NSW/ACT) | 1996 | Aristocrat | aristmk5 | | |
| wamazona | Wild Amazon (0200285V, NSW/ACT) | 1996 | Aristocrat | wamazon | wamazon | |
| wamazonv | Wild Amazon (01J01996, Venezuela) | 1996 | Aristocrat | wamazon | wamazon | |
| wanganmd | Wangan Midnight (WMN1 Ver. A) | 2001 | Namco | sys246 | | |
| wanganmr | Wangan Midnight R (WMR1 Ver. A) | 2002 | Namco | sys246 | | |
| wangmid | Wangan Midnight Maximum Tune (Export, Rev B) (GDX-0009B) | 2004 | Namco | chihiro | | |
| wangmid2 | Wangan Midnight Maximum Tune 2 (Export, Rev A) (GDX-0016A) | 2005 | Namco | chihiro | | |
| wangmid2j | Wangan Midnight Maximum Tune 2 (Japan) (GDX-0015) | 2005 | Namco | wangmid2 | wangmid2 | |
| wangmid2ja | Wangan Midnight Maximum Tune 2 (Japan, Rev A) (GDX-0015A) | 2005 | Namco | wangmid2 | wangmid2 | |
| wangmid2o | Wangan Midnight Maximum Tune 2 (Export) (GDX-0016) | 2005 | Namco | wangmid2 | wangmid2 | |
| wangmidj | Wangan Midnight Maximum Tune (Japan, Rev B) (GDX-0008B) | 2004 | Namco | wangmid | wangmid | |
| wangpc | Wang Professional Computer | 1985 | Wang Laboratories | | | |
| wangpc_emb | Wang PC-PM031-B Extended Memory Board | | | | | |
| wangpc_lic | Wang PC-PM070 Local Interconnect | | | | | |
| wangpc_lvc | Wang PC Low Resolution Video Card | | | | | |
| wangpc_mcc | Wang PC-PM043 Multiport Communications Controller | | | | | |
| wangpc_mvc | Wang PC Medium Resolution Video Card | | | | | |
| wangpc_rtc | Wang PC-PM040-B Remote Telecommunication Controller | | | | | |
| wangpc_tig | Want PC Text/Image/Graphics Controller | | | | | |
| wangpc_wdc | Wang PC-PM001 Winchester Disk Controller | | | | | |
| wangpcbus | Wang PC bus | | | | | |
| wangpcbus_slot | Wang PC bus slot | | | | | |
| wangpckb | Wang PC Keyboard | | | | | |
| wanpakup | Wanpaku Pirates (Japan, ver 1.00) | 2006 | Amuzy Corporation | | | |
| wanpunch | Wanikko Punch (Japan, ver 1.20) | 2005 | Amuzy Corporation | | | |
| wanted | Wanted | 1984 | Sigma Enterprises Inc. | | | |
| wantgman | Wanted G-Man | 1982 | Actronics / Hanzawa | | | |
| wantouch | Wantouchable | 2003 | Sammy | sammymdl | | |
| wantsega | Wanted (Sega) | 1982 | Sega | | | |
| war3cb | War III Cherry Best | 1996 | S.B.E. | | | |
| warahana | Warai no Hana Tenshi (Japan) | 1991 | Dynax | | | |
| warcadia | Waga Seishun no Arcadia | 1982 | Sigma Enterprises Inc. | nyny | nyny | |
| wardner | Wardner (World) | 1987 | Toaplan / Taito Corporation Japan | | | |
| wardnerb | Wardner (World, bootleg) | 1987 | bootleg | wardner | wardner | |
| wardnerj | Wardner no Mori (Japan) | 1987 | Toaplan / Taito Corporation | wardner | wardner | |
| wardnerjb | Wardner no Mori (Japan, bootleg) | 1987 | bootleg | wardner | wardner | |
| warfa | War: Final Assault (EPROM 1.9 Mar 25 1999, GUTS 1.3 Apr 20 1999, GAME Apr 20 1999) | 1999 | Atari Games | | | |
| warfaa | War: Final Assault (EPROM 1.6 Jan 14 1999, GUTS 1.1 Mar 16 1999, GAME Mar 16 1999) | 1999 | Atari Games | warfa | warfa | |
| warfab | War: Final Assault (EPROM 1.3 Apr 7 1999, GUTS 1.3 Apr 7 1999, GAME Apr 7 1999) | 1999 | Atari Games | warfa | warfa | |
| warfac | War: Final Assault (EPROM 1.91 Apr 13 1999, GUTS 1.3 Apr 7 1999, GAME Apr 7 1999) | 1999 | Atari Games | warfa | warfa | |
| wargods | War Gods (HD 10/09/1996 - Dual Resolution) | 1995 | Midway | | | |
| wargodsa | War Gods (HD 08/15/1996) | 1995 | Midway | wargods | wargods | |
| wargodsb | War Gods (HD 12/11/1995) | 1995 | Midway | wargods | wargods | |
| warlords | Warlords | 1980 | Atari | | | |
| warofbug | War of the Bugs or Monsterous Manouvers in a Mushroom Maze | 1981 | Armenia / Food and Fun Corp | | | |
| warofbugg | War of the Bugs or Monsterous Manouvers in a Mushroom Maze (German) | 1981 | Armenia | warofbug | warofbug | |
| warofbugu | War of the Bugs or Monsterous Manouvers in a Mushroom Maze (US) | 1981 | Armenia / Super Video Games | warofbug | warofbug | |
| warp1 | Warp-1 (Japan) | 1979 | Sun Electronics | | | dai3wksi |
| warp1bl | Warp-1 (Japan, bootleg) | 1979 | bootleg (Igleck) | warp1 | warp1 | dai3wksi |
| warp1t | Warp-1 (Japan, Taito license) | 1979 | Sun Electronics (Taito license) | warp1 | warp1 | dai3wksi |
| warpsped | Warp Speed (prototype) | 1979? | Meadows Games, Inc. | | | |
| warpwarp | Warp & Warp | 1981 | Namco | | | |
| warpwarp_sound | Warp Warp Custom Sound | | | | | |
| warpwarpr | Warp Warp (Rock-Ola set 1) | 1981 | Namco (Rock-Ola license) | warpwarp | warpwarp | |
| warpwarpr2 | Warp Warp (Rock-Ola set 2) | 1981 | Namco (Rock-Ola license) | warpwarp | warpwarp | |
| warrior | Warrior | 1979 | Vectorbeam | | | |
| warrior_audio | Warrior Sound Board | | | | | |
| warriorb | Warrior Blade - Rastan Saga Episode III (Japan) | 1991 | Taito Corporation | | | |
| warzard | Warzard (Japan 961121) | 1996 | Capcom | redearth | redearth | |
| warzardr1 | Warzard (Japan 961023) | 1996 | Capcom | redearth | redearth | |
| wasafari | Wanpaku Safari (J 981109 V1.000) | 1998 | Sega | stvbios | | |
| watchdog | Watchdog Timer | | | | | |
| waterski | Water Ski | 1983 | Taito Corporation | | | |
| waterwld | Waterworld (rev.3) | 1995 | Gottlieb | | | genpin |
| waterwld2 | Waterworld (rev.2) | 1995 | Gottlieb | waterwld | waterwld | genpin |
| watrball | Water Balls | 1996 | ABM | | | |
| waveblaster_connector | Waveblaster extension connector | | | | | |
| waverunr | Wave Runner (Japan, Revision A) | 1996 | Sega | | | |
| waveshrk | Wave Shark (UAB, USA v1.04) | 1996 | Konami | jetwave | jetwave | |
| wavesynth | Waveblaster-based expander | 2020 | MAME | | | |
| waveterm | Waveterm A | 1982 | PPG | eurocom2 | eurocom2 | |
| wb3 | Wonder Boy III - Monster Lair (set 6, World, System 16B) (8751 317-0098) | 1988 | Sega / Westone | | | |
| wb31 | Wonder Boy III - Monster Lair (set 1, Japan, System 16A) (FD1094 317-0084) | 1988 | Sega / Westone | wb3 | wb3 | |
| wb31d | Wonder Boy III - Monster Lair (set 1, Japan, System 16A) (bootleg of FD1094 317-0084 set) | 1988 | bootleg | wb3 | wb3 | |
| wb32 | Wonder Boy III - Monster Lair (set 2, Japan, System 16B) (FD1094 317-0085) | 1988 | Sega / Westone | wb3 | wb3 | |
| wb32d | Wonder Boy III - Monster Lair (set 2, Japan, System 16B) (bootleg of FD1094 317-0085 set) | 1988 | bootleg | wb3 | wb3 | |
| wb33 | Wonder Boy III - Monster Lair (set 3, World, System 16B) (FD1094 317-0089) | 1988 | Sega / Westone | wb3 | wb3 | |
| wb33d | Wonder Boy III - Monster Lair (set 3, World, System 16B) (bootleg of FD1094 317-0089 set) | 1988 | bootleg | wb3 | wb3 | |
| wb34 | Wonder Boy III - Monster Lair (set 4, Japan, System 16B) (FD1094 317-0087) | 1988 | Sega / Westone | wb3 | wb3 | |
| wb34d | Wonder Boy III - Monster Lair (set 4, Japan, System 16B) (bootleg of FD1094 317-0087 set) | 1988 | bootleg | wb3 | wb3 | |
| wb35 | Wonder Boy III - Monster Lair (set 5, Japan, System 16A) (FD1089A 317-0086) | 1988 | Sega / Westone | wb3 | wb3 | |
| wb35d | Wonder Boy III - Monster Lair (set 5, Japan, System 16A) (bootleg of FD1089A 317-0086 set) | 1988 | bootleg | wb3 | wb3 | |
| wb3bbl | Wonder Boy III - Monster Lair (bootleg) | 1988 | bootleg | wb3 | wb3 | |
| wb3bble | Wonder Boy III - Monster Lair (encrypted bootleg) | 1988 | bootleg | wb3 | wb3 | |
| wbbc97 | Beach Festival World Championship 1997 | 1997 | Comad | | | |
| wbdeluxe | Wonder Boy Deluxe | 1986 | hack (Vision Electronics) | wboy | wboy | |
| wbeachvl | World Beach Volley (set 1, PIC16C57 audio CPU) | 1995 | Playmark | | | |
| wbeachvl2 | World Beach Volley (set 2) | 1995 | Playmark | wbeachvl | wbeachvl | |
| wbeachvl3 | World Beach Volley (set 3) | 1995 | Playmark | wbeachvl | wbeachvl | |
| wbeachvla | World Beach Volley (set 1, S87C751 audio CPU) | 1995 | Playmark | wbeachvl | wbeachvl | |
| wbingo06 | Win Bingo 2006 | 2006 | <unknown> | | | |
| wbml | Wonder Boy: Monster Land (Japan New Ver., MC-8123, 317-0043) | 1987 | Sega / Westone | | | |
| wbmlb | Wonder Boy: Monster Land (English bootleg set 1) | 1987 | bootleg | wbml | wbml | |
| wbmlb2 | Wonder Boy: Monster Land (English bootleg set 4) | 1987 | bootleg | wbml | wbml | |
| wbmlbg | Wonder Boy: Monster Land (English bootleg set 2) | 1987 | bootleg (Galaxy Electronics) | wbml | wbml | |
| wbmlbge | Wonder Boy: Monster Land (English bootleg set 3) | 1987 | bootleg (Gecas) | wbml | wbml | |
| wbmld | Wonder Boy: Monster Land (decrypted bootleg of Japan New Ver., MC-8123, 317-0043) | 1987 | bootleg (mpatou) | wbml | wbml | |
| wbmlh | Wonder Boy: Monster Land (English, difficulty hack) | 1987 | bootleg | wbml | wbml | |
| wbmljb | Wonder Boy: Monster Land (Japan bootleg) | 1987 | bootleg | wbml | wbml | |
| wbmljo | Wonder Boy: Monster Land (Japan Old Ver., MC-8123, 317-0043) | 1987 | Sega / Westone | wbml | wbml | |
| wbmljod | Wonder Boy: Monster Land (decrypted bootleg of Japan Old Ver., MC-8123, 317-0043) | 1987 | bootleg (mpatou) | wbml | wbml | |
| wbmlvc | Wonder Boy: Monster Land (English, Virtual Console) | 2009 | Sega | wbml | wbml | |
| wbmlvcd | Wonder Boy: Monster Land (decrypted bootleg of English, Virtual Console release) | 2009 | bootleg (mpatou) | wbml | wbml | |
| wboy | Wonder Boy (set 1, 315-5177) | 1986 | Escape (Sega license) | | | |
| wboy2 | Wonder Boy (set 2, 315-5178) | 1986 | Escape (Sega license) | wboy | wboy | |
| wboy2u | Wonder Boy (set 2, not encrypted) | 1986 | Escape (Sega license) | wboy | wboy | |
| wboy3 | Wonder Boy (set 3, 315-5135) | 1986 | Escape (Sega license) | wboy | wboy | |
| wboy4 | Wonder Boy (315-5162, 4-D Warriors Conversion) | 1986 | Escape (Sega license) | wboy | wboy | |
| wboy5 | Wonder Boy (set 5, bootleg) | 1986 | bootleg | wboy | wboy | |
| wboy6 | Wonder Boy (set 6, 315-5179) | 1986 | Escape (Sega license) | wboy | wboy | |
| wboyblt | Wonder Boy (Tecfri bootleg) | 1986 | bootleg (Tecfri) | wboy | wboy | |
| wboyo | Wonder Boy (set 2, 315-5135) | 1986 | Escape (Sega license) | wboy | wboy | |
| wboysys2 | Wonder Boy (system 2, set 1, 315-5177) | 1986 | Escape (Sega license) | wboy | wboy | |
| wboysys2a | Wonder Boy (system 2, set 2, 315-5176) | 1986 | Escape (Sega license) | wboy | wboy | |
| wboyu | Wonder Boy (prototype?) | 1986 | Escape (Sega license) | wboy | wboy | |
| wboyub | Wonder Boy (US bootleg) | 1986 | bootleg | wboy | wboy | |
| wcat | Wild Cat | 1992? | Excel | | | |
| wcat3 | Wild Cat 3 | 1995 | E.A.I. | | | |
| wcat3a | Wild Cat 3 (CMV4 hardware) | 199? | E.A.I. | wcat3 | wcat3 | |
| wcatcher | Mahjong Wakuwaku Catcher (Japan) | 1993 | Nichibutsu | | | |
| wcbowl | World Class Bowling (v1.66) | 1995 | Incredible Technologies | | | |
| wcbowl10 | World Class Bowling (v1.0) | 1995 | Incredible Technologies | wcbowl | wcbowl | |
| wcbowl11 | World Class Bowling (v1.1) | 1995 | Incredible Technologies | wcbowl | wcbowl | |
| wcbowl12 | World Class Bowling (v1.2) | 1995 | Incredible Technologies | wcbowl | wcbowl | |
| wcbowl13 | World Class Bowling (v1.3) | 1995 | Incredible Technologies | wcbowl | wcbowl | |
| wcbowl130 | World Class Bowling Tournament (v1.30) | 1997 | Incredible Technologies | wcbowl | wcbowl | |
| wcbowl13j | World Class Bowling (v1.3J, Japan) | 1995 | Incredible Technologies (Excellent System Ltd. license) | wcbowl | wcbowl | |
| wcbowl14 | World Class Bowling (v1.4) | 1995 | Incredible Technologies | wcbowl | wcbowl | |
| wcbowl140 | World Class Bowling Tournament (v1.40) | 1997 | Incredible Technologies | wcbowl | wcbowl | |
| wcbowl15 | World Class Bowling (v1.5) | 1995 | Incredible Technologies | wcbowl | wcbowl | |
| wcbowl16 | World Class Bowling (v1.6) | 1995 | Incredible Technologies | wcbowl | wcbowl | |
| wcbowl161 | World Class Bowling (v1.61) | 1995 | Incredible Technologies | wcbowl | wcbowl | |
| wcbowl165 | World Class Bowling (v1.65) | 1995 | Incredible Technologies | wcbowl | wcbowl | |
| wcbowldx | World Class Bowling Deluxe (v2.00) | 1999 | Incredible Technologies | wcbowl | wcbowl | |
| wccf116 | World Club Champion Football Serie A 2001-2002 Ver.2 (Japan) (CDP-10001C) | 2003 | Hitmaker / Sega | naomigd | | |
| wccf1dup | World Club Champion Football Serie A 2001-2002 DIMM FIRM Ver.3.03 (CDP-10003) | 2002 | Hitmaker / Sega | naomigd | | |
| wccf212e | World Club Champion Football Serie A 2002-2003 Ver.2.12 (Italy) (CDV-10002) | 2004 | Hitmaker / Sega | naomigd | | |
| wccf234j | World Club Champion Football Serie A 2002-2003 Ver.2.34 (Japan) (CDV-10008) | 2004 | Hitmaker / Sega | naomigd | | |
| wccf2chk | World Club Champion Football Serie A 2002-2003 Drive Checker (CDV-10007) | 2004 | Hitmaker / Sega | naomigd | | |
| wccf310j | World Club Champion Football European Clubs 2004-2005 (Asia) (CDV-10013) | 2005 | Sega | naomigd | | |
| wccf322e | World Club Champion Football European Clubs 2004-2005 Ver.3.22 (Export) (CDV-10015P) | 2005 | Sega | naomigd | | |
| wccf331e | World Club Champion Football European Clubs 2004-2005 Ver.1.1 (Export) (CDV-10015) | 2005 | Sega | wccf322e | wccf322e | |
| wccf331j | World Club Champion Football European Clubs 2004-2005 Ver.1.1 (Japan) (CDV-10020) | 2005 | Sega | wccf341j | wccf341j | |
| wccf341j | World Club Champion Football European Clubs 2004-2005 Ver.1.2 (Japan) (CDV-10021) | 2006 | Sega | naomigd | | |
| wccf400j | World Club Champion Football European Clubs 2005-2006 (Japan) (CDV-10025) | 2006 | Sega | naomigd | | |
| wccf420e | World Club Champion Football European Clubs 2005-2006 (Export) (CDV-10027) | 2006 | Sega | naomigd | | |
| wcherry | Win Cherry (ver 0.16 - 19990219) | 2001 | bootleg | | | |
| wcircus | Wonder Circus (Japan, v1.1.1) | 199? | Cobra | | | |
| wcombat | World Combat (ver AAD:B) | 2002 | Konami | kviper | | |
| wcombatj | World Combat (ver JAA) | 2002 | Konami | wcombat | wcombat | |
| wcombatk | World Combat (ver KBC:B) | 2002 | Konami | wcombat | wcombat | |
| wcombatu | World Combat / Warzaid (ver UCD:B) | 2002 | Konami | wcombat | wcombat | |
| wcougar | Wild Cougar (0100167V, NSW/ACT) | 1996 | Aristocrat | aristmk5 | | |
| wcougaru | Wild Cougar (AHG1531, US) | 1997 | Aristocrat | wcougar | wcougar | |
| wcougarua | Wild Cougar (NHG0296-07, US) | 1997 | Aristocrat | wcougar | wcougar | |
| wcougarub | Wild Cougar (NHG0296-04, US) | 1997 | Aristocrat | wcougar | wcougar | |
| wcougaruc | Wild Cougar (NHG0296-99, US) | 1997 | Aristocrat | wcougar | wcougar | |
| wcougarud | Wild Cougar (NHG0632-07, US) | 1998 | Aristocrat | wcougar | wcougar | |
| wcougpp | Wild Cougar - Power Pay (30214211, ASP) | 2006 | Aristocrat | aristmk6 | | |
| wcoyote | Wild Coyote (AHG1515, US) | 2001 | Aristocrat | locoloot | locoloot | |
| wcs_l1 | World Cup Soccer (Lx-1) | 1994 | Bally | wcs_l2 | wcs_l2 | |
| wcs_l2 | World Cup Soccer (Lx-2) | 1994 | Bally | | | |
| wcs_la2 | World Cup Soccer (La-2) | 1994 | Bally | wcs_l2 | wcs_l2 | |
| wcs_p2 | World Cup Soccer (Pa-2) | 1994 | Bally | wcs_l2 | wcs_l2 | |
| wcs_p3 | World Cup Soccer (Px-3) | 1994 | Bally | wcs_l2 | wcs_l2 | |
| wcsoccer | World Challenge Soccer (rev.1, set 1) | 1994 | Gottlieb | | | genpin |
| wcsoccer1a | World Challenge Soccer (rev.1, set 2) | 1994 | Gottlieb | wcsoccer | wcsoccer | genpin |
| wcup | World Cup (Ver 1.5) | 2001 | Nazionale Elettronica | | | |
| wcup14 | World Cup (Ver 1.4) | 2001 | Nazionale Elettronica | wcup | wcup | |
| wcup90 | World Cup 90 | 1990 | Mr Game | | | genpin |
| wcvol95 | World Cup Volley '95 (Asia v1.0) | 1995 | Data East Corporation | | | |
| wcvol95j | World Cup Volley '95 (Japan v1.0) | 1995 | Data East Corporation | wcvol95 | wcvol95 | |
| wcvol95x | World Cup Volley '95 Extra Version (Asia v2.0B) | 1995 | Data East Corporation | wcvol95 | wcvol95 | |
| wd_03r | Who Dunnit (0.3 R) | 1995 | Bally | wd_12 | wd_12 | |
| wd_048r | Who Dunnit (0.48 R) | 1995 | Bally | wd_12 | wd_12 | |
| wd_10f | Who Dunnit (1.0 French) | 1995 | Bally | wd_12 | wd_12 | |
| wd_10g | Who Dunnit (1.0 Germany) | 1995 | Bally | wd_12 | wd_12 | |
| wd_10r | Who Dunnit (1.0 R) | 1995 | Bally | wd_12 | wd_12 | |
| wd_11 | Who Dunnit (1.1) | 1995 | Bally | wd_12 | wd_12 | |
| wd_12 | Who Dunnit (1.2) | 1995 | Bally | | | |
| wd_12g | Who Dunnit (1.2 Germany) | 1995 | Bally | wd_12 | wd_12 | |
| wd1000 | Western Digital WD1000 Winchester Disk Controller | | | | | |
| wd1002a_wx1 | WD1002A-WX1 | | | | | |
| wd1007a | WD1007A ESDI HDC | | | | | |
| wd1010 | Western Digital WD1010-05 | | | | | |
| wd11c00_17 | Western Digital WD11C00-17 | | | | | |
| wd1770 | Western Digital WD1770 FDC | | | | | |
| wd1772 | Western Digital WD1772 FDC | | | | | |
| wd1773 | Western Digital WD1773 FDC | | | | | |
| wd2010 | Western Digital WD2010 Winchester Disk Controller | | | | | |
| wd2791 | Western Digital WD2791 FDC | | | | | |
| wd2793 | Western Digital WD2793 FDC | | | | | |
| wd2795 | Western Digital WD2795 FDC | | | | | |
| wd2797 | Western Digital WD2797 FDC | | | | | |
| wd33c92 | Western Digital WD33C92 SCSI Controller | | | | | |
| wd33c93 | Western Digital WD33C93 SCSI Controller | | | | | |
| wd33c93a | Western Digital WD33C93A SCSI Controller | | | | | |
| wd33c93b | Western Digital WD33C93B SCSI Controller | | | | | |
| wd37c65c | Western Digital WD37C65C FDC | | | | | |
| wd7600 | Western Digital WD7600 chipset | | | | | |
| wd90c00_jk | Western Digital WD90C00-JK Graphics Card | | | | | |
| wd90c00_vga | Western Digital WD90C00 "PVGA1B" VGA i/f | | | | | |
| wd90c11_lr | Western Digital WD90C11-LR Graphics Card "1024 CX" | | | | | |
| wd90c11a_vga | Western Digital WD90C11A "PVGA1C" VGA i/f | | | | | |
| wd90c26_vga | Western Digital WD90C26 VGA Controller | | | | | |
| wd90c30_lr | Western Digital WD90C30-LR Graphics Card "1024 DX" | | | | | |
| wd90c30_vga | Western Digital WD90C30 "PVGA1D" VGA i/f | | | | | |
| wd90c31_lr | Western Digital WD90C31-LR Graphics Card | | | | | |
| wd90c31_vga | Western Digital WD90C31 VGA i/f | | | | | |
| wd90c31a_lr | Western Digital WD90C31A-LR Graphics Card | | | | | |
| wd90c31a_zs | Western Digital WD90C31A-ZS Graphics Card | | | | | |
| wd90c33_vga | Western Digital WD90C33 VGA i/f | | | | | |
| wd90c33_zz | Western Digital WD90C33-ZZ Graphics Card | | | | | |
| wd90c90_jk | Western Digital WD90C90-JK Graphics Card | | | | | |
| wd9710_pci | Western Digital WD9710-MZ | | | | | |
| wdun | Who Dunnit (Russian) | 1999 | WMS | | | |
| wdxt_gen | Western Digital WDXT-GEN (Amstrad PC1512/1640) | | | | | |
| we32100 | AT&T WE32100 | | | | | |
| wecleman | WEC Le Mans 24 (v2.01) | 1986 | Konami | | | |
| weclemana | WEC Le Mans 24 (v2.00) | 1986 | Konami | wecleman | wecleman | |
| weclemanb | WEC Le Mans 24 (v2.00, hack) | 1988 | hack | wecleman | wecleman | |
| weclemanc | WEC Le Mans 24 (v1.26) | 1986 | Konami | wecleman | wecleman | |
| weddingr | Wedding Rhapsody (GX624 JAA) | 1997 | Konami | konamigv | | |
| welltris | Welltris (World?, 2 players) | 1991 | Video System Co. | | | |
| welltrisj | Welltris (Japan, 2 players) | 1991 | Video System Co. | welltris | welltris | |
| werewild | Werewolf Wild (10288711, NSW/ACT) | 2009 | Aristocrat | aristmk6 | | |
| werewildq | Werewolf Wild (20290711, Queensland) | 2010 | Aristocrat | werewild | werewild | |
| westdrm | Western Dream | 1992 | Sega | | | |
| westdrmg | Western Dream Gold | 2009 | Sega | segasp | | |
| westgun2 | Western Gun Part II | 1980 | Nintendo (Taito Corporation license) | sheriff | sheriff | |
| weststry | West Story (bootleg of Blood Bros., set 1) | 1990 | bootleg (Datsu) | bloodbro | bloodbro | |
| weststrya | West Story (bootleg of Blood Bros., set 2) | 1990 | bootleg (Datsu) | bloodbro | bloodbro | |
| westvent | Western Venture (Ver. AA.02.D) | 2007? | Astro Corp. | | | |
| wexpress | Western Express (Japan, rev 4) | 1986 | Data East Corporation | exprraid | exprraid | |
| wexpressb1 | Western Express (bootleg set 1) | 1986 | bootleg | exprraid | exprraid | |
| wexpressb2 | Western Express (bootleg set 2) | 1986 | bootleg | exprraid | exprraid | |
| wexpressb3 | Western Express (bootleg set 3) | 1986 | bootleg | exprraid | exprraid | |
| wfart | TV Art Design Center | 200? | WinFun | | | |