| Name | Description | Year | Manufacturer | Rom | Clone | Sample |
| ddaydoo | Chulgyeok D-Day (Korea) | 1990 | Dooyong | lastday | lastday | |
| ddayjlc | D-Day (Jaleco set 1) | 1984 | Jaleco | | | |
| ddayjlca | D-Day (Jaleco set 2) | 1984 | Jaleco | ddayjlc | ddayjlc | |
| ddboy | Dam Dam Boy (on dedicated PCB) | 1994 | Konami | | | |
| ddboya | Dam Dam Boy (on Tsukande Toru Chicchi PCB) | 1994 | Konami | ddboy | ddboy | |
| ddcrew | D. D. Crew (World, 3 Players) (FD1094 317-0190) | 1991 | Sega | | | |
| ddcrew1 | D. D. Crew (World, 4 Players) (FD1094 317-0187) | 1991 | Sega | ddcrew | ddcrew | |
| ddcrew1d | D. D. Crew (World, 4 Players) (bootleg of FD1094 317-0187 set) | 1991 | bootleg | ddcrew | ddcrew | |
| ddcrew2 | D. D. Crew (World, 2 Players) (FD1094 317-0184) | 1991 | Sega | ddcrew | ddcrew | |
| ddcrew2d | D. D. Crew (World, 2 Players) (bootleg of FD1094 317-0184 set) | 1991 | bootleg | ddcrew | ddcrew | |
| ddcrewbl | D. D. Crew (bootleg) | 1990 | bootleg | ddcrew | ddcrew | |
| ddcrewd | D. D. Crew (World, 3 Players) (bootleg of FD1094 317-0190 set) | 1991 | bootleg | ddcrew | ddcrew | |
| ddcrewj | D. D. Crew (Japan, 4 Players) (FD1094 317-0185) | 1991 | Sega | ddcrew | ddcrew | |
| ddcrewj2 | D. D. Crew (Japan, 2 Players) (FD1094 317-0182) | 1991 | Sega | ddcrew | ddcrew | |
| ddcrewj2d | D. D. Crew (Japan, 2 Players) (bootleg of FD1094 317-0182 set) | 1991 | bootleg | ddcrew | ddcrew | |
| ddcrewjd | D. D. Crew (Japan, 4 Players) (bootleg of FD1094 317-0185 set) | 1991 | bootleg | ddcrew | ddcrew | |
| ddcrewu | D. D. Crew (US, 4 Players) (FD1094 317-0186) | 1991 | Sega | ddcrew | ddcrew | |
| ddcrewud | D. D. Crew (US, 4 Players) (bootleg of FD1094 317-0186 set) | 1991 | bootleg | ddcrew | ddcrew | |
| dddoor | Doraemon no Dokodemo Door | 1993 | Sega | | | |
| ddealer | Double Dealer | 1991 | NMK | | | |
| ddenlovj | Don Den Lover Vol. 1 - Shiro Kuro Tsukeyo! (Japan) | 1995 | Dynax | | | |
| ddenlovr | Don Den Lover Vol. 1 (Hong Kong) | 1996 | Dynax | ddenlovj | ddenlovj | |
| ddenlovrb | Don Den Lover Vol. 1 - Heukbaeg-euro Jeonghaja (Korea, bootleg) | 1995 | bootleg | ddenlovj | ddenlovj | |
| ddenlovrk | Don Den Lover Vol. 1 - Heukbaeg-euro Jeonghaja (Korea) | 1995 | Dynax | ddenlovj | ddenlovj | |
| ddmmeg12 | Double Dance Mania: Mega 12 | 2007 | Senario | | | |
| ddmsup | Double Dance Mania: Supreme / Dance Supreme | 200? | Senario | | | |
| ddonpach | DoDonPachi (World, 1997 2/ 5 Master Ver.) | 1997 | Cave (Atlus license) | | | |
| ddonpacha | DoDonPachi (2012/02/12 Arrange Ver. 1.1) (hack) | 2012 | hack (trap15) | ddonpach | ddonpach | |
| ddonpachj | DoDonPachi (Japan, 1997 2/ 5 Master Ver.) | 1997 | Cave (Atlus license) | ddonpach | ddonpach | |
| ddp2 | DoDonPachi II - Bee Storm (World, ver. 102) | 2001 | IGS | pgm | | |
| ddp2100 | DoDonPachi II - Bee Storm (World, ver. 100) | 2001 | IGS | ddp2 | ddp2 | |
| ddp2100c | DoDonPachi - Feng Bao (China, ver. 100) | 2001 | IGS | ddp2 | ddp2 | |
| ddp2100hk | DoDonPachi II - Fung Bou (Hong Kong, ver. 100) | 2001 | IGS | ddp2 | ddp2 | |
| ddp2100j | DoDonPachi II (Japan, ver. 100) | 2001 | IGS (Cave license) | ddp2 | ddp2 | |
| ddp2100k | DoDonPachi II - Bee Storm (Korea, ver. 100) | 2001 | IGS | ddp2 | ddp2 | |
| ddp2100t | DoDonPachi - Feng Bao (Taiwan, ver. 100) | 2001 | IGS | ddp2 | ddp2 | |
| ddp2101 | DoDonPachi II - Bee Storm (World, ver. 101) | 2001 | IGS | ddp2 | ddp2 | |
| ddp2101c | DoDonPachi - Feng Bao (China, ver. 101) | 2001 | IGS | ddp2 | ddp2 | |
| ddp2101hk | DoDonPachi II - Fung Bou (Hong Kong, ver. 101) | 2001 | IGS | ddp2 | ddp2 | |
| ddp2101j | DoDonPachi II (Japan, ver. 101) | 2001 | IGS (Cave license) | ddp2 | ddp2 | |
| ddp2101k | DoDonPachi II - Bee Storm (Korea, ver. 101) | 2001 | IGS | ddp2 | ddp2 | |
| ddp2101t | DoDonPachi - Feng Bao (Taiwan, ver. 101) | 2001 | IGS | ddp2 | ddp2 | |
| ddp2c | DoDonPachi - Feng Bao (China, ver. 102) | 2001 | IGS | ddp2 | ddp2 | |
| ddp2hk | DoDonPachi II - Fung Bou (Hong Kong, ver. 102) | 2001 | IGS | ddp2 | ddp2 | |
| ddp2j | DoDonPachi II (Japan, ver. 102) | 2001 | IGS (Cave license) | ddp2 | ddp2 | |
| ddp2k | DoDonPachi II - Bee Storm (Korea, ver. 102) | 2001 | IGS | ddp2 | ddp2 | |
| ddp2t | DoDonPachi - Feng Bao (Taiwan, ver. 102) | 2001 | IGS | ddp2 | ddp2 | |
| ddp3 | DoDonPachi III (World, 2002.05.15 Master Ver) | 2002 | Cave (AMI license) | | | |
| ddpdfk | DoDonPachi Dai-Fukkatsu Ver 1.5 (2008/06/23 MASTER VER 1.5) | 2008 | Cave (AMI license) | | | |
| ddpdfk10 | DoDonPachi Dai-Fukkatsu Ver 1.0 (2008/05/16 MASTER VER) | 2008 | Cave (AMI license) | ddpdfk | ddpdfk | |
| ddpdoj | DoDonPachi Dai-Ou-Jou (Japan, 2002.04.05.Master Ver, 68k Label V101) | 2002 | Cave (AMI license) | ddp3 | ddp3 | |
| ddpdoja | DoDonPachi Dai-Ou-Jou (Japan, 2002.04.05.Master Ver, 68k Label V100) | 2002 | Cave (AMI license) | ddp3 | ddp3 | |
| ddpdojb | DoDonPachi Dai-Ou-Jou (Japan, 2002.04.05 Master Ver) | 2002 | Cave (AMI license) | ddp3 | ddp3 | |
| ddpdojblk | DoDonPachi Dai-Ou-Jou Black Label (Japan, 2002.10.07.Black Ver, newer) | 2002 | Cave (AMI license) | ddp3 | ddp3 | |
| ddpdojblka | DoDonPachi Dai-Ou-Jou Black Label (Japan, 2002.10.07.Black Ver, older) | 2002 | Cave (AMI license) | ddp3 | ddp3 | |
| ddpdojblkb | DoDonPachi Dai-Ou-Jou Black Label (Japan, 2002.10.07 Black Ver) | 2002 | Cave (AMI license) | ddp3 | ddp3 | |
| ddpdojblkbl | DoDonPachi Dai-Ou-Jou Black Label (Japan, 2002.10.07 Black Ver., bootleg Knights of Valour Super Heroes conversion) | 2012 | bootleg | ddp3 | ddp3 | |
| ddpdojp | DoDonPachi Dai-Ou-Jou (Japan, 2002.04.05 Master Ver, location test) | 2002 | Cave (AMI license) | ddp3 | ddp3 | |
| ddpdojt | DoDonPachi Dai-Ou-Jou Tamashii (V201, China) | 2010 | IGS / Cave (Tong Li Animation license) | | | |
| ddr2m | Dance Dance Revolution 2nd Mix (GN895 VER. JAA) | 1999 | Konami | sys573 | | |
| ddr2mc | Dance Dance Revolution 2nd Mix with beatmaniaIIDX CLUB VERSiON (GE896 VER. JAA) | 1999 | Konami | ddr2m | ddr2m | |
| ddr2mc2 | Dance Dance Revolution 2nd Mix with beatmaniaIIDX substream CLUB VERSiON 2 (GE984 VER. JAA) | 1999 | Konami | ddr2m | ddr2m | |
| ddr2ml | Dance Dance Revolution 2nd Mix - Link Ver (GE885 VER. JAC) | 1999 | Konami | ddr2m | ddr2m | |
| ddr2mla | Dance Dance Revolution 2nd Mix - Link Ver (GE885 VER. JAB) | 1999 | Konami | ddr2m | ddr2m | |
| ddr2mlb | Dance Dance Revolution 2nd Mix - Link Ver (GE885 VER. JAA) | 1999 | Konami | ddr2m | ddr2m | |
| ddr33v | 16-bit TV Dance Pad with 15 songs / Dance Dance Party Mix (DDRGame) | 2008 | DDRGame / Hyperkin | | | |
| ddr3ma | Dance Dance Revolution 3rd Mix (GN887 VER. AAA) | 1999 | Konami | ddr3mk | ddr3mk | |
| ddr3mj | Dance Dance Revolution 3rd Mix (GN887 VER. JAA) | 1999 | Konami | ddr3mk | ddr3mk | |
| ddr3mk | Dance Dance Revolution 3rd Mix - Ver.Korea2 (GN887 VER. KBA) | 2000 | Konami | sys573 | | |
| ddr3mka | Dance Dance Revolution 3rd Mix - Ver.Korea (GN887 VER. KAA) | 2000 | Konami | ddr3mk | ddr3mk | |
| ddr3mp | Dance Dance Revolution 3rd Mix Plus (G*A22 VER. JAA) | 2000 | Konami | sys573 | | |
| ddr4m | Dance Dance Revolution 4th Mix (G*A33 VER. AAA) | 2000 | Konami | sys573 | | |
| ddr4mj | Dance Dance Revolution 4th Mix (G*A33 VER. JAA) | 2000 | Konami | ddr4m | ddr4m | |
| ddr4mp | Dance Dance Revolution 4th Mix Plus (G*A34 VER. JAA) | 2000 | Konami | sys573 | | |
| ddr4mps | Dance Dance Revolution 4th Mix Plus Solo (G*A34 VER. JBA) | 2000 | Konami | sys573 | | |
| ddr4ms | Dance Dance Revolution 4th Mix Solo (G*A33 VER. ABA) | 2000 | Konami | sys573 | | |
| ddr4msj | Dance Dance Revolution 4th Mix Solo (G*A33 VER. JBA) | 2000 | Konami | ddr4ms | ddr4ms | |
| ddr5m | Dance Dance Revolution 5th Mix (G*A27 VER. JAA) | 2001 | Konami | sys573 | | |
| ddra | Dance Dance Revolution (GN845 VER. AAA) | 1999 | Konami | dstage | dstage | |
| ddragon | Double Dragon (World set 1) | 1987 | Technos Japan (Taito license) | | | |
| ddragon2 | Double Dragon II: The Revenge (World) | 1988 | Technos Japan | | | |
| ddragon2bl | Double Dragon II: The Revenge (US, bootleg) | 1988 | bootleg | ddragon2 | ddragon2 | |
| ddragon2j | Double Dragon II: The Revenge (Japan) | 1988 | Technos Japan | ddragon2 | ddragon2 | |
| ddragon2u | Double Dragon II: The Revenge (US) | 1988 | Technos Japan | ddragon2 | ddragon2 | |
| ddragon3 | Double Dragon 3: The Rosetta Stone (US) | 1990 | East Technology / Technos Japan | | | |
| ddragon3b | Double Dragon 3: The Rosetta Stone (bootleg) | 1990 | bootleg | ddragon3 | ddragon3 | |
| ddragon3j | Double Dragon 3: The Rosetta Stone (Japan) | 1990 | East Technology / Technos Japan | ddragon3 | ddragon3 | |
| ddragon3p | Double Dragon 3: The Rosetta Stone (prototype) | 1990 | East Technology / Technos Japan | ddragon3 | ddragon3 | |
| ddragon6809 | Double Dragon (bootleg with 3xM6809, set 1) | 1987 | bootleg | ddragon | ddragon | |
| ddragon6809a | Double Dragon (bootleg with 3xM6809, set 2) | 1987 | bootleg | ddragon | ddragon | |
| ddragona | Double Dragon (World set 2) | 1987 | Technos Japan (Taito license) | ddragon | ddragon | |
| ddragonbl | Double Dragon (bootleg with HD6309) | 1987 | bootleg | ddragon | ddragon | |
| ddragonbl2 | Double Dragon (bootleg) | 1987 | bootleg | ddragon | ddragon | |
| ddragonbla | Double Dragon (bootleg with MC6803) | 1987 | bootleg | ddragon | ddragon | |
| ddragonj | Double Dragon (Japan set 1) | 1987 | Technos Japan | ddragon | ddragon | |
| ddragonja | Double Dragon (Japan set 2) | 1987 | Technos Japan | ddragon | ddragon | |
| ddragonu | Double Dragon (US set 1) | 1987 | Technos Japan (Taito America license) | ddragon | ddragon | |
| ddragonua | Double Dragon (US set 2) | 1987 | Technos Japan (Taito America license) | ddragon | ddragon | |
| ddragonub | Double Dragon (US set 3) | 1987 | Technos Japan (Taito America license) | ddragon | ddragon | |
| ddrbocd | Dance Dance Revolution Best of Cool Dancers (GE892 VER. JAA) | 1999 | Konami | ddr2m | ddr2m | |
| ddrdismx | Dance Dance Revolution Disney Mix | 2006 | Majesco (licensed from Konami, Disney) | | | |
| ddream95 | Dunk Dream '95 (Japan 1.4, EAM) | 1995 | Data East Corporation | hoops96 | hoops96 | |
| ddrextrm | Dance Dance Revolution Extreme (G*C36 VER. JAA) | 2002 | Konami | sys573 | | |
| ddrfammt | Dance Dance Revolution Family Mat (Japan) | 2001 | Takara / Konami / SSD Company LTD | | | |
| ddribble | Double Dribble | 1986 | Konami | | | |
| ddribblep | Double Dribble (prototype?) | 1986 | Konami | ddribble | ddribble | |
| ddrj | Dance Dance Revolution - Internet Ranking Ver (GC845 VER. JBA) | 1998 | Konami | dstage | dstage | |
| ddrja | Dance Dance Revolution (GC845 VER. JAA) | 1998 | Konami | dstage | dstage | |
| ddrjb | Dance Dance Revolution (GC845 VER. JAB) | 1998 | Konami | dstage | dstage | |
| ddrkara | Dance Dance Revolution Karaoke Mix (GQ921 VER. JBB) | 1999 | Konami | sys573 | | |
| ddrkara2 | Dance Dance Revolution Karaoke Mix 2 (GQ947 VER. JAA) | 2000 | Konami | sys573 | | |
| ddrkids | Dance Dance Revolution Kids (GQAN4 JAA) | 2000 | Konami | | | |
| ddrmax | DDRMAX - Dance Dance Revolution 6th Mix (G*B19 VER. JAA) | 2001 | Konami | sys573 | | |
| ddrmax2 | DDRMAX2 - Dance Dance Revolution 7th Mix (G*B20 VER. JAA) | 2002 | Konami | sys573 | | |
| ddrs2k | Dance Dance Revolution Solo 2000 (GC905 VER. AAA) | 1999 | Konami | sys573 | | |
| ddrs2kj | Dance Dance Revolution Solo 2000 (GC905 VER. JAA) | 1999 | Konami | ddrs2k | ddrs2k | |
| ddrsbm | Dance Dance Revolution Solo Bass Mix (GQ894 VER. JAA) | 1999 | Konami | sys573 | | |
| ddrsn2a | Dance Dance Revolution SuperNOVA 2 (GDJ:A:A:A:2007100800) | 2007 | Konami | kpython2 | | |
| ddrsn2aa | Dance Dance Revolution SuperNOVA 2 (GDJ:A:A:A:2007071100) | 2007 | Konami | ddrsn2a | ddrsn2a | |
| ddrsn2j | Dance Dance Revolution SuperNOVA 2 (GDJ:J:A:A:2007100800) | 2007 | Konami | kpython2 | | |
| ddrsn2ja | Dance Dance Revolution SuperNOVA 2 (GDJ:J:A:A:2007071100) | 2007 | Konami | ddrsn2j | ddrsn2j | |
| ddrsn2u | Dance Dance Revolution SuperNOVA 2 (GDJ:U:A:A:2007100800) | 2007 | Konami | kpython2 | | |
| ddrsna | Dance Dance Revolution SuperNOVA (FDH:A:A:A:2006071300) | 2006 | Konami | kpython2 | | |
| ddrsnj | Dance Dance Revolution SuperNOVA (FDH:J:A:A:2006090600) | 2006 | Konami | kpython2 | | |
| ddrsnu | Dance Dance Revolution SuperNOVA (FDH:U:A:A:2006072400) | 2006 | Konami | kpython2 | | |
| ddrstraw | Dance Dance Revolution Strawberry Shortcake | 2006 | Majesco (licensed from Konami) | | | |
| ddru | Dance Dance Revolution (GN845 VER. UAA) | 1999 | Konami | dstage | dstage | |
| ddrusa | Dance Dance Revolution USA (G*A44 VER. UAA) | 2000 | Konami | sys573 | | |
| ddsom | Dungeons & Dragons: Shadow over Mystara (Europe 960619) | 1996 | Capcom | | | |
| ddsoma | Dungeons & Dragons: Shadow over Mystara (Asia 960619) | 1996 | Capcom | ddsom | ddsom | |
| ddsomar1 | Dungeons & Dragons: Shadow over Mystara (Asia 960208) | 1996 | Capcom | ddsom | ddsom | |
| ddsomb | Dungeons & Dragons: Shadow over Mystara (Brazil 960223) | 1996 | Capcom | ddsom | ddsom | |
| ddsomh | Dungeons & Dragons: Shadow over Mystara (Hispanic 960223) | 1996 | Capcom | ddsom | ddsom | |
| ddsomj | Dungeons & Dragons: Shadow over Mystara (Japan 960619) | 1996 | Capcom | ddsom | ddsom | |
| ddsomjr1 | Dungeons & Dragons: Shadow over Mystara (Japan 960206) | 1996 | Capcom | ddsom | ddsom | |
| ddsomjr2 | Dungeons & Dragons: Shadow over Mystara (Japan 960223) | 1996 | Capcom | ddsom | ddsom | |
| ddsomr1 | Dungeons & Dragons: Shadow over Mystara (Europe 960223) | 1996 | Capcom | ddsom | ddsom | |
| ddsomr2 | Dungeons & Dragons: Shadow over Mystara (Europe 960209) | 1996 | Capcom | ddsom | ddsom | |
| ddsomr3 | Dungeons & Dragons: Shadow over Mystara (Europe 960208) | 1996 | Capcom | ddsom | ddsom | |
| ddsomu | Dungeons & Dragons: Shadow over Mystara (USA 960619) | 1996 | Capcom | ddsom | ddsom | |
| ddsomud | Dungeons & Dragons: Shadow over Mystara (USA 960619 Phoenix Edition) (bootleg) | 1996 | bootleg | ddsom | ddsom | |
| ddsomur1 | Dungeons & Dragons: Shadow over Mystara (USA 960209) | 1996 | Capcom | ddsom | ddsom | |
| ddtod | Dungeons & Dragons: Tower of Doom (Europe 940412) | 1993 | Capcom | | | |
| ddtoda | Dungeons & Dragons: Tower of Doom (Asia 940412) | 1993 | Capcom | ddtod | ddtod | |
| ddtodar1 | Dungeons & Dragons: Tower of Doom (Asia 940113) | 1993 | Capcom | ddtod | ddtod | |
| ddtodd | Dungeons & Dragons: Tower of Doom (Europe 940412 Phoenix Edition) (bootleg) | 1993 | bootleg | ddtod | ddtod | |
| ddtodh | Dungeons & Dragons: Tower of Doom (Hispanic 940412) | 1993 | Capcom | ddtod | ddtod | |
| ddtodhr1 | Dungeons & Dragons: Tower of Doom (Hispanic 940125) | 1993 | Capcom | ddtod | ddtod | |
| ddtodhr2 | Dungeons & Dragons: Tower of Doom (Hispanic 940113) | 1993 | Capcom | ddtod | ddtod | |
| ddtodj | Dungeons & Dragons: Tower of Doom (Japan 940412) | 1993 | Capcom | ddtod | ddtod | |
| ddtodjr1 | Dungeons & Dragons: Tower of Doom (Japan 940125) | 1993 | Capcom | ddtod | ddtod | |
| ddtodjr2 | Dungeons & Dragons: Tower of Doom (Japan 940113) | 1993 | Capcom | ddtod | ddtod | |
| ddtodr1 | Dungeons & Dragons: Tower of Doom (Europe 940113) | 1993 | Capcom | ddtod | ddtod | |
| ddtodu | Dungeons & Dragons: Tower of Doom (USA 940125) | 1993 | Capcom | ddtod | ddtod | |
| ddtodur1 | Dungeons & Dragons: Tower of Doom (USA 940113) | 1993 | Capcom | ddtod | ddtod | |
| ddungeon | Dangerous Dungeons (set 1) | 1992 | The Game Room | | | |
| ddungeone | Dangerous Dungeons (set 2) | 1992 | East Coast Coin Company | ddungeon | ddungeon | |
| ddux | Dynamite Dux (set 3, World) (FD1094 317-0096) | 1988 | Sega | | | |
| ddux1 | Dynamite Dux (set 1, World) (8751 317-0095) | 1988 | Sega | ddux | ddux | |
| dduxbl | Dynamite Dux (Datsu bootleg) | 1989 | bootleg (Datsu) | ddux | ddux | |
| dduxd | Dynamite Dux (set 3, World) (bootleg of FD1094 317-0096 set) | 1988 | bootleg | ddux | ddux | |
| dduxj | Dynamite Dux (set 2, Japan) (FD1094 317-0094) | 1988 | Sega | ddux | ddux | |
| dduxjd | Dynamite Dux (set 2, Japan) (bootleg of FD1094 317-0094 set) | 1988 | bootleg | ddux | ddux | |
| ddz | Dou Di Zhu | 200? | IGS? | | | |
| deadang | Dead Angle | 1988 | Seibu Kaihatsu | | | |
| deadconx | Dead Connection (World) | 1992 | Taito Corporation Japan | | | |
| deadconxj | Dead Connection (Japan) | 1992 | Taito Corporation | deadconx | deadconx | |
| deadeye | Dead Eye | 1978 | Meadows Games, Inc. | | | |
| deadweap | Deadly Weapon | 1990 | Gottlieb | | | genpin |
| dealer | The Dealer | 1984 | Epos Corporation | | | |
| dealracl | The Dealer (ACL) | 1981 | ACL Manufacturing | | | |
| deathbrd | Death Brade (Japan ver JM-3) | 1991 | Data East Corporation | mutantf | mutantf | |
| deathcox | Death Crimson OX (USA) | 2000 | Ecole Software | naomi | | |
| deathcoxj | Death Crimson OX (Japan, Rev A) | 2000 | Ecole Software | deathcox | deathcox | |
| deathcoxo | Death Crimson OX (Japan) | 2000 | Ecole Software | deathcox | deathcox | |
| deathrac | Death Race | 1976 | Exidy | | | |
| deathsm2 | Deathsmiles II: Makai no Merry Christmas (2009/10/14 MASTER VER 4.00) | 2009 | Cave | | | |
| deathsml | Deathsmiles (2007/10/09 MASTER VER) | 2007 | Cave (AMI license) | | | |
| debutm | Debut-M | 1994 | Energopribor | | | |
| dec_rs232_loopback | RS-232 Loopback (DEC 12-15336-00) | | | | | |
| decathln | Decathlon (set 1) | 200? | Advance Bright Ltd / V-Tac Technology Co Ltd. | | | |
| decathlna | Decathlon (set 2, SM570, ABL TV Game) | 200? | Advance Bright Ltd / V-Tac Technology Co Ltd. | decathln | decathln | |
| decathlt | Decathlete (JUET 960709 V1.001) | 1996 | Sega | stvbios | | |
| decathlto | Decathlete (JUET 960424 V1.000) | 1996 | Sega | decathlt | decathlt | |
| decioga | DECstation I/O Gate Array | | | | | |
| decmate2 | DECmate II (PC278) | 1982 | Digital Equipment Corporation | | | |
| decmate3 | DECmate III (PC238) | 1984 | Digital Equipment Corporation | | | |
| deco_ace | Data East 99 'ACE' Chip | | | | | |
| deco_bac06 | DECO BAC06 Tilemap | | | | | |
| deco_irq | Data East IRQ Controller | | | | | |
| deco_karnovsprites | DECO Karnov Sprites | | | | | |
| deco_mxc06 | DECO MXC06 Sprite | | | | | |
| deco_rmc3 | DECO RM-C3 PALETTE | | | | | |
| deco104 | DECO 104 Protection | | | | | |
| deco146 | DECO 146 Protection | | | | | |
| deco16 | Data East DECO16 | | | | | |
| deco16ic | DECO 55 / 56 / 74 / 141 Tilemap Generator | | | | | |
| deco222 | DECO 222 | | | | | |
| decobsmt | Data East/Sega/Stern BSMT2000 Sound Board | | | | | |
| decoc10707 | DECO C10707 | | | | | |
| decocass | DECO Cassette System | 1981 | Data East Corporation | | | |
| decocass_tape | DECO Cassette Tape | | | | | |
| decocomn | DECO Common Video Functions | | | | | |
| decocpu1 | Data East Pinball CPU Board Type 1 | | | | | |
| decocpu2 | Data East Pinball CPU Board Type 2 | | | | | |
| decocpu3 | Data East Pinball CPU Board Type 3 | | | | | |
| decocpu3b | Data East Pinball CPU Board Type 3B | | | | | |
| decocpu6 | DECO CPU-6 | | | | | |
| decocpu7 | DECO CPU-7 | | | | | |
| decodark | DECO Cassette System ROM Multigame (Darksoft, v17) | 2022 | bootleg (Darksoft) | decocass | | |
| decodark15 | DECO Cassette System ROM Multigame (Darksoft, v15) | 2022 | bootleg (Darksoft) | decodark | decodark | |
| decodark16 | DECO Cassette System ROM Multigame (Darksoft, v16) | 2022 | bootleg (Darksoft) | decodark | decodark | |
| decodmd1 | Data East Pinball Dot Matrix Display Type 1 | | | | | |
| decodmd2 | Data East Pinball Dot Matrix Display Type 2 | | | | | |
| decodmd3 | Data East Pinball Dot Matrix Display Type 3 | | | | | |
| decomult | DECO Cassette System ROM Multigame (David Widel) | 2008 | bootleg (David Widel) | decocass | | |
| decospr | DECO 52 Sprite | | | | | |
| decsfb | Digital Equipment Corporation Smart Frame Buffer | | | | | |
| dectalk | DECtalk DTC-01 | 1984 | Digital Equipment Corporation | | | |
| dectalk_isa | DECTalk-PC | | | | | |
| deepfrz | Deep Freeze (10282311, NSW/ACT) | 2009 | Aristocrat | aristmk6 | | |
| deepfrzu | Deep Freeze (0154081, US) | 2010 | Aristocrat | deepfrz | deepfrz | |
| deerhunt | Deer Hunting USA V4.3 | 2000 | Sammy USA Corporation | | | |
| deerhunta | Deer Hunting USA V4.2 | 2000 | Sammy USA Corporation | deerhunt | deerhunt | |
| deerhuntb | Deer Hunting USA V4.0 | 2000 | Sammy USA Corporation | deerhunt | deerhunt | |
| deerhuntc | Deer Hunting USA V3 | 2000 | Sammy USA Corporation | deerhunt | deerhunt | |
| deerhuntd | Deer Hunting USA V2 | 2000 | Sammy USA Corporation | deerhunt | deerhunt | |
| deerhunte | Deer Hunting USA V1 | 2000 | Sammy USA Corporation | deerhunt | deerhunt | |
| deerhuntj | Deer Hunting USA V4.4.1 (Japan) | 2000 | Sammy USA Corporation | deerhunt | deerhunt | |
| defcmnd | Defense Command (bootleg of Defender) | 1980 | bootleg | defender | defender | |
| defence | Defence Command (bootleg of Defender) | 1981 | bootleg (Outer Limits) | defender | defender | |
| defender | Defender (Red label) | 1980 | Williams | | | |
| defenderb | Defender (Blue label) | 1980 | Williams | defender | defender | |
| defenderg | Defender (Green label) | 1980 | Williams | defender | defender | |
| defenderj | T.T Defender | 1980 | Williams (Taito Corporation license) | defender | defender | |
| defenderom | Operacion Defender (bootleg of Defender) | 1981 | bootleg (Operamatic) | defender | defender | |
| defenderw | Defender (White label) | 1980 | Williams | defender | defender | |
| defense | Defense (System 16B, FD1089A 317-0028) | 1987 | Sega | sdi | sdi | |
| defenseb | Defense (bootleg of Defender) | 198? | bootleg | defender | defender | |
| defndjeu | Defender (bootleg) | 1980 | bootleg (Jeutel) | defender | defender | |
| deltabel | Delta Belle (0252532, US) | 2005 | Aristocrat | deltaqn | deltaqn | |
| deltaqn | Delta Queen (20185211, NSW/ACT) | 2004 | Aristocrat | aristmk6 | | |
| deltrace | Delta Race | 1981 | bootleg (Allied Leisure) | omegrace | omegrace | |
| deluxe4u | Deluxe 4 U (ver. 0107, 07/01/2000) | 2000 | ESD | deluxe5 | deluxe5 | |
| deluxe5 | Deluxe 5 (ver. 0107, 07/01/2000, set 1) | 2000 | ESD | | | |
| deluxe5a | Deluxe 5 (ver. 0107, 07/01/2000, set 2) | 2000 | ESD | deluxe5 | deluxe5 | |
| deluxe5b | Deluxe 5 (ver. 0107, 07/01/2000, set 3) | 2000 | ESD | deluxe5 | deluxe5 | |
| deluxecoco | Deluxe Color Computer | 1983 | Tandy Radio Shack | coco | coco | |
| demndrgn | Demons & Dragons (prototype) | 1982 | Dave Nutting Associates / Bally Midway | | | |
| demoderb | Demolition Derby | 1984 | Bally Midway | | | |