| Name | Description | Year | Manufacturer | Rom | Clone | Sample |
| amidaro | Amidar (Olympia) | 1982 | Konami (Olympia license) | amidar | amidar | |
| amidars | Amidar (Scramble hardware) | 1982 | Konami | amidar | amidar | |
| amidaru | Amidar (Stern Electronics) | 1982 | Konami (Stern Electronics license) | amidar | amidar | |
| amiga_ar1 | Datel Action Replay MK-I | | | | | |
| amiga_ar2 | Datel Action Replay MK-II | | | | | |
| amiga_ar3 | Datel Action Replay MK-III | | | | | |
| amiga_dmac | Amiga DMAC DMA Controller | | | | | |
| amiga_fdc | Amiga FDC | | | | | |
| amiga_kbd | Amiga Keyboard Interface | | | | | |
| amigo | Amigo (bootleg of Amidar, set 1) | 1982 | bootleg | amidar | amidar | |
| amigo2 | Amigo (bootleg of Amidar, set 2) | 1982 | bootleg | amidar | amidar | |
| amis2000 | AMI S2000 | | | | | |
| amis2150 | AMI S2150 | | | | | |
| amis2152 | AMI S2152 | | | | | |
| ampex210p | 210+ | 1989 | Ampex | | | |
| ampkr228 | American Poker II (iamp2 v28) | 1994 | bootleg? | ampoker2 | ampoker2 | |
| ampkr2b1 | American Poker II (bootleg, set 1) | 1990 | bootleg | ampoker2 | ampoker2 | |
| ampkr2b2 | American Poker II (bootleg, set 2) | 1990 | bootleg | ampoker2 | ampoker2 | |
| ampkr2b3 | American Poker II (bootleg, set 3) | 1994 | bootleg | ampoker2 | ampoker2 | |
| ampkr2b4 | American Poker II (bootleg, set 4) | 1994 | bootleg | ampoker2 | ampoker2 | |
| ampkr95 | American Poker 95 | 1995 | bootleg | ampoker2 | ampoker2 | |
| ampoker2 | American Poker II | 1990 | Novomatic | | | |
| ampro | Little Z80 Board | 1980 | Ampro | | | |
| ampscarp | AMPS Car Phone | 1998 | Motorola | | | |
| ams40041 | AMS40041 CRTC | | | | | |
| ams40489 | AMS40489 ASIC (CRTC) | | | | | |
| ams40489_ppi | Amstrad AMS40489 PPI | | | | | |
| amspdwy | American Speedway (set 1) | 1987 | Enerdyne Technologies Inc. | | | |
| amspdwya | American Speedway (set 2) | 1987 | Enerdyne Technologies Inc. | amspdwy | amspdwy | |
| amsterd | Mephisto Amsterdam | 1985 | Hegener + Glaser | | | |
| amsterda | Mephisto Amsterdam (Glasgow hardware) | 1985 | Hegener + Glaser | amsterd | amsterd | |
| amu880 | Ausbaufaehiger Mikrocomputer mit dem U 880 | 1983 | Militaerverlag der DDR | | | |
| amusco | American Music Poker (V1.4) | 1987 | Amusco | | | |
| amuse | Amuse (Version 50.08 IBA) | 1982 | Greyhound Electronics | | | |
| amuse1 | Amuse (Version 30.08 IBA) | 1982 | Greyhound Electronics | amuse | amuse | |
| amuse1a | Amuse (Version 30.08A) | 1983 | Greyhound Electronics | amuse | amuse | |
| amust | Amust Executive 816 | 1983 | Amust | | | |
| amzqueen | Amazon Queen (10005511, NSW/ACT) | 2001 | Aristocrat | aristmk6 | | |
| amztempl | Amazon Temple (10299811, NSW/ACT) | 2009 | Aristocrat | aristmk6 | | |
| ancienta | Ancient Atlantis (set 1) | 2002? | Novotech | | | |
| ancientaa | Ancient Atlantis (set 2) | 2002? | Novotech | ancienta | ancienta | |
| ancientab | Ancient Atlantis (set 3) | 2002? | Novotech | ancienta | ancienta | |
| ancientac | Ancient Atlantis (set 4) | 2002? | Novotech | ancienta | ancienta | |
| ancientad | Ancient Atlantis (set 5) | 2002? | Novotech | ancienta | ancienta | |
| andretti | Mario Andretti | 1995 | Gottlieb | | | genpin |
| andretti4 | Mario Andretti (rev.T4) | 1995 | Gottlieb | andretti | andretti | genpin |
| androdun | Andro Dunos (NGM-049 ~ NGH-049) | 1992 | Visco | neogeo | | |
| androidp | Android (prototype, later build) | 1987 | Nasco | | | |
| androidpo | Android (prototype, early build) | 198? | Nasco | androidp | androidp | |
| andromed | Andromeda (Japan?) | 1979 | IPM | | | ipminvad |
| andromep | Andromeda (set 1) | 1985 | Game Plan | | | genpin |
| andromepa | Andromeda (set 2) | 1985 | Game Plan | andromep | andromep | genpin |
| angelkds | Angel Kids (Japan) | 1988 | Sega / Nasco? | | | |
| anibonus | Animal Bonus (Version 1.8E Dual) | 2003 | Amcoe | | | |
| anibonusb1 | Animal Bonus (Version 1.7R, set 1) | 2003 | Amcoe | anibonus | anibonus | |
| anibonusb2 | Animal Bonus (Version 1.7LT, set 1) | 2003 | Amcoe | anibonus | anibonus | |
| anibonusd1 | Animal Bonus (Version 1.7R, set 2) | 2003 | Amcoe | anibonus | anibonus | |
| anibonusd2 | Animal Bonus (Version 1.7LT, set 2) | 2003 | Amcoe | anibonus | anibonus | |
| anibonuso | Animal Bonus (Version 1.5) | 2003 | Amcoe | anibonus | anibonus | |
| anibonuso2 | Animal Bonus (Version 1.4, set 1) | 2003 | Amcoe | anibonus | anibonus | |
| anibonuso3 | Animal Bonus (Version 1.4, set 2) | 2003 | Amcoe | anibonus | anibonus | |
| anibonusv1 | Animal Bonus (Version 1.8R Dual) | 2003 | Amcoe | anibonus | anibonus | |
| anibonusv2 | Animal Bonus (Version 1.8LT Dual) | 2003 | Amcoe | anibonus | anibonus | |
| anibonusxo | Animal Bonus (Version 1.50XT) | 2003 | Amcoe | anibonus | anibonus | |
| anibonusxo2 | Animal Bonus (Version 1.40XT, set 1) | 2003 | Amcoe | anibonus | anibonus | |
| anibonusxo3 | Animal Bonus (Version 1.40XT, set 2) | 2003 | Amcoe | anibonus | anibonus | |
| animalc | Animal Catch | 2000 | Sammy | sammymdl | | |
| animaljr | Exciting Animal Land Jr. (USA) | 1993 | Nakanihon / East Technology (Taito license) | | | |
| animaljrj | Waiwai Animal Land Jr. (Japan) | 1993 | Nakanihon / East Technology (Taito license) | animaljr | animaljr | |
| animaljrs | Animalandia Jr. (Spanish) | 1993 | Nakanihon / East Technology (Taito license) | animaljr | animaljr | |
| animpkr | unknown animal-themed game (bottom) | 198? | <unknown> | | | |
| animpkra | unknown animal-themed game (top) | 198? | <unknown> | animpkr | animpkr | |
| anithunt | Animal Treasure Hunt (Version 1.9R, set 1) | 2003 | Amcoe | | | |
| anithuntd1 | Animal Treasure Hunt (Version 1.9R, set 2) | 2003 | Amcoe | anithunt | anithunt | |
| anithunto | Animal Treasure Hunt (Version 1.7) | 2003 | Amcoe | anithunt | anithunt | |
| anithunto2 | Animal Treasure Hunt (Version 1.5) | 2003 | Amcoe | anithunt | anithunt | |
| anithuntv1 | Animal Treasure Hunt (Version 1.9R Dual) | 2003 | Amcoe | anithunt | anithunt | |
| anmlbskt | Animal Basket (24 Jan 2005) | 2005 | MOSS / Sammy | awbios | | |
| anmlbskta | Animal Basket (19 Jan 2005) | 2005 | MOSS / Sammy | anmlbskt | anmlbskt | |
| anpanman | Soreike! Anpanman Popcorn Factory (Rev B) | 1992 | Sega | | | |
| antar | Antar (set 1) | 1979 | Playmatic | | | genpin |
| antar2 | Antar (set 2) | 1979 | Playmatic | antar | antar | genpin |
| antcleo | Antony and Cleopatra (10163211, NSW/ACT) | 2004 | Aristocrat | aristmk6 | | |
| antcleom | Antony and Cleopatra (10177211, Malaysia) | 2004 | Aristocrat | antcleo | antcleo | |
| anteater | Anteater | 1982 | Tago Electronics | | | |
| anteaterg | Ameisenbaer (German) | 1982 | Tago Electronics (TV-Tuning license from Free Enterprise Games) | anteater | anteater | |
| anteatergg | Ameisenbaer (German, Galaxian hardware) | 1982 | bootleg | anteater | anteater | |
| anteateruk | The Anteater (UK) | 1982 | Tago Electronics (Free Enterprise Games license | anteater | anteater | |
| antiairc | Anti-Aircraft [TTL] | 1975 | Atari | | | |
| antic | Atari ANTIC | | | | | |
| anzterm | EF315-I220 Teller Terminal (ANZ) | 1986? | Burroughs | | | |
| aodk | Aggressors of Dark Kombat / Tsuukai GANGAN Koushinkyoku (ADM-008 ~ ADH-008) | 1994 | ADK / SNK | neogeo | | |
| aof | Art of Fighting / Ryuuko no Ken (NGM-044 ~ NGH-044) | 1992 | SNK | neogeo | | |
| aof2 | Art of Fighting 2 / Ryuuko no Ken 2 (NGM-056) | 1994 | SNK | neogeo | | |
| aof2a | Art of Fighting 2 / Ryuuko no Ken 2 (NGH-056) | 1994 | SNK | aof2 | aof2 | |
| aof3 | Art of Fighting 3 - The Path of the Warrior / Art of Fighting - Ryuuko no Ken Gaiden | 1996 | SNK | neogeo | | |
| aof3k | Art of Fighting 3 - The Path of the Warrior (Korean release) | 1996 | SNK | aof3 | aof3 | |
| aoh | Age Of Heroes - Silkroad 2 (v0.63 - 2001/02/07) | 2001 | Unico | | | |
| ap2000 | Epson ActionPrinter 2000 | | | | | |
| apache3 | Apache 3 (rev F) | 1988 | Tatsumi | | | |
| apache3a | Apache 3 (rev E) | 1988 | Tatsumi | apache3 | apache3 | |
| apache3b | Apache 3 (Kana Corporation license, rev G) | 1988 | Tatsumi (Kana Corporation license) | apache3 | apache3 | |
| apb | APB - All Points Bulletin (rev 7) | 1987 | Atari Games | | | |
| apb1 | APB - All Points Bulletin (rev 1) | 1987 | Atari Games | apb | apb | |
| apb2 | APB - All Points Bulletin (rev 2) | 1987 | Atari Games | apb | apb | |
| apb3 | APB - All Points Bulletin (rev 3) | 1987 | Atari Games | apb | apb | |
| apb4 | APB - All Points Bulletin (rev 4) | 1987 | Atari Games | apb | apb | |
| apb5 | APB - All Points Bulletin (rev 5) | 1987 | Atari Games | apb | apb | |
| apb6 | APB - All Points Bulletin (rev 6) | 1987 | Atari Games | apb | apb | |
| apbf | APB - All Points Bulletin (French) | 1987 | Atari Games | apb | apb | |
| apbg | APB - All Points Bulletin (German) | 1987 | Atari Games | apb | apb | |
| apc | APC | 1982 | NEC | | | |
| apexc | All Purpose Electronic X-ray Computer (as described in 1957) | 1955 | Andrew Donald Booth | | | |
| apexc_cpu | APE(X)C | | | | | |
| apexc_cylinder_image | APEXC Cylinder | | | | | |
| apexc_tape_puncher_image | APEXC Tape Puncher | | | | | |
| apexc_tape_reader_image | APEXC Tape Reader | | | | | |
| apf_basic | APF BASIC Carts | | | | | |
| apf_cart_slot | APF Cartridge Slot | | | | | |
| apf_rom | APF Standard Carts | | | | | |
| apf_spacedst | APF Space Destroyer Cart | | | | | |
| apfimag | APF Imagination Machine | 1979 | APF Electronics Inc. | apfm1000 | apfm1000 | |
| apfm1000 | APF M-1000 | 1978 | APF Electronics Inc. | | | |
| apic | I/O Advanced Programmable Interrupt Controller | | | | | |
| aplan | A-Plan | 1993 | WeaShing H.K. | | | |
| aplannb | Apricot LANstation (Novell Remote Boot) | 1990 | Apricot | ibm5170 | ibm5170 | |
| aplanst | Apricot LANstation (Krypton Motherboard) | 1990 | Apricot | ibm5170 | ibm5170 | |
| aplarail | Attack Pla Rail (Japan, AP1/VER.A) | 1998 | Namco / Tomy | | | |
| aplatoon | Platoon V.3.1 US | 199? | Nova? | alg_bios | | |
| aplsbon | Apricot LS Pro (Bonsai Motherboard) | 1992 | Apricot | ibm5170 | ibm5170 | |
| aplscar | Apricot LS Pro (Caracal Motherboard) | 1992 | Apricot | ibm5170 | ibm5170 | |
| apocof | Apollo Coffee (0151105, US) | 2003 | Aristocrat | aristmk6 | | |
| apogee | Apogee BK-01 | 1989 | Zavod BRA | radio86 | radio86 | |
| apollo_config | Apollo Configuration | | | | | |
| apollo_graphics_15i | Apollo Screen | | | | | |
| apollo_graphics_19i | Apollo 19" Monochrome Screen | | | | | |
| apollo_kbd | Apollo Keyboard | | | | | |
| apollo_sio | DN3000/DS3500 SIO (MC2681) | | | | | |
| apollo13 | Apollo 13 (5.01) | 1995 | Sega | | | |
| apollo13_10 | Apollo 13 (1.00) | 1995 | Sega | apollo13 | apollo13 | |
| apollo13_20 | Apollo 13 (2.03) | 1995 | Sega | apollo13 | apollo13 | |
| apollo13_d4 | Apollo 13 (5.01, Display 4.01) | 1995 | Sega | apollo13 | apollo13 | |
| apollo80 | Apollo 80 (Germany) | 1978 | Academy | studio2 | studio2 | |
| aponow | Apocaljpse Now (bootleg of Rescue) | 1982 | bootleg | rescue | rescue | |
| apparel | Apparel Night (Japan 860929) | 1986 | Central Denshi | | | |
| apple_fdc | Apple FDC | | | | | |
| apple1 | Apple I | 1976 | Apple Computer | | | |
| apple10 | Apple 10 (Ver 1.21) | 1998 | Sandii' | | | |
| apple2 | Apple ][ | 1977 | Apple Computer | | | |
| apple2c | Apple //c | 1984 | Apple Computer | | | |
| apple2c0 | Apple //c (UniDisk 3.5) | 1985 | Apple Computer | apple2c | apple2c | |
| apple2c3 | Apple //c (Original Memory Expansion) | 1986 | Apple Computer | apple2c | apple2c | |
| apple2c4 | Apple //c (rev 4) | 1986 | Apple Computer | apple2c | apple2c | |
| apple2com | Apple II Common Components | | | | | |
| apple2cp | Apple //c Plus | 1988 | Apple Computer | apple2c | apple2c | |
| apple2e | Apple //e | 1983 | Apple Computer | | | |
| apple2ee | Apple //e (enhanced) | 1985 | Apple Computer | apple2e | apple2e | |
| apple2eefr | Apple //e (enhanced, France) | 1985 | Apple Computer | apple2e | apple2e | |
| apple2ees | Apple //e (Spain) | 1983 | Apple Computer | apple2e | apple2e | |
| apple2eeuk | Apple //e (enhanced, UK) | 1985 | Apple Computer | apple2e | apple2e | |
| apple2ep | Apple //e (Platinum) | 1987 | Apple Computer | apple2e | apple2e | |
| apple2euk | Apple //e (UK) | 1983 | Apple Computer | apple2e | apple2e | |
| apple2gs | Apple IIgs (ROM03) | 1989 | Apple Computer | | | |
| apple2gsr0 | Apple IIgs (ROM00) | 1986 | Apple Computer | apple2gs | apple2gs | |
| apple2gsr0p | Apple IIgs (ROM00 prototype 6/19/1986) | 1986 | Apple Computer | apple2gs | apple2gs | |
| apple2gsr0p2 | Apple IIgs (ROM00 prototype 3/10/1986) | 1986 | Apple Computer | apple2gs | apple2gs | |
| apple2gsr1 | Apple IIgs (ROM01) | 1987 | Apple Computer | apple2gs | apple2gs | |
| apple2gsr3p | Apple IIgs (ROM03 prototype) | 198? | Apple Computer | apple2gs | apple2gs | |
| apple2jp | Apple ][ J-Plus | 1980 | Apple Computer | apple2 | apple2 | |
| apple2p | Apple ][+ | 1979 | Apple Computer | apple2 | apple2 | |
| apple3 | Apple /// | 1980 | Apple Computer | | | |
| applix | Applix 1616 | 1986 | Applix Pty Ltd | | | |
| appoooh | Appoooh | 1984 | Sanritsu / Sega | | | |
| aprfte | Apricot FT//ex 486 (J3 Motherboard) | 1991 | Apricot | ibm5170 | ibm5170 | |
| apricot | Apricot PC | 1983 | ACT | | | |
| apricot_128k_ram | Apricot 128K/512K RAM Expansion Board (128K) | | | | | |
| apricot_256k_ram | Apricot 256K RAM Expansion Board | | | | | |
| apricot_512k_ram | Apricot 128K/512K RAM Expansion Board (512K) | | | | | |
| apricot_exp_bus | Apricot Expansion Bus | | | | | |
| apricot_exp_slot | Apricot Expansion Slot | | | | | |
| apricot_kbd | Apricot Keyboard Interface | | | | | |
| apricot_winchester | Apricot Winchester Controller Board | | | | | |
| apricotkb_hle | Apricot Keyboard (HLE) | | | | | |
| apricotxi | Apricot Xi | 1984 | ACT | apricot | apricot | |
| aprikb | Apricot Keyboard | | | | | |
| aprpand | Apricot FTs (Panther Rev F 1.02.26) | 1992 | Apricot | ibm5170 | ibm5170 | |
| apvxft | Apricot VX FT server | 1989 | Apricot | ibm5170 | ibm5170 | |
| apxena1 | Apricot XEN PC (A1 Motherboard) | 1993 | Apricot | ibm5170 | ibm5170 | |
| apxeni | Apricot XEN-i 386 (Leopard Motherboard) | 1987 | Apricot | ibm5170 | ibm5170 | |
| apxenls3 | Apricot XEN-LS (Venus IV Motherboard) | 1991 | Apricot | ibm5170 | ibm5170 | |
| apxenp2 | Apricot XEN PC (P2 Motherboard) | 1993 | Apricot | ibm5170 | ibm5170 | |
| apxlsam | Apricot XEN-LS II (Samurai Motherboard) | 1993 | Apricot | ibm5170 | ibm5170 | |
| aquajack | Aqua Jack (World) | 1990 | Taito Corporation Japan | | | |
| aquajackj | Aqua Jack (Japan) | 1990 | Taito Corporation | aquajack | aquajack | |
| aquajacku | Aqua Jack (US) | 1990 | Taito America Corporation | aquajack | aquajack | |
| aquajet | Aqua Jet (Rev. AJ2 Ver.B, World) | 1996 | Namco | | | |
| aqualand | Aqualand | 1986 | Juegos Populares | | | genpin |
| aquarium | Aquarium (US) | 1996 | Excellent System | | | |
| aquariumj | Aquarium (Japan) | 1996 | Excellent System | aquarium | aquarium | |
| aquarius | Aquarius (NTSC) | 1983 | Mattel | | | |
| aquarush | Aqua Rush (Japan, AQ1/VER.A1) | 1999 | Namco | | | |
| aquastge | Aqua Stage | 1995 | Sega | | | |
| ar_airh | SportTime Table Hockey (Arcadia, set 1, V 2.1) | 1988 | Arcadia Systems | ar_bios | | |
| ar_airh2 | SportTime Table Hockey (Arcadia, set 2) | 1988 | Arcadia Systems | ar_airh | ar_airh | |
| ar_argh | Aaargh (Arcadia) | 1988 | Arcadia Systems | ar_bios | | |
| ar_bios | Arcadia System BIOS | 1988 | Arcadia Systems | | | |
| ar_blast | Blastaball (Arcadia, V 2.1) | 1988 | Arcadia Systems | ar_bios | | |
| ar_bowl | SportTime Bowling (Arcadia, V 2.1) | 1988 | Arcadia Systems | ar_bios | | |
| ar_dart | World Darts (Arcadia, set 1, V 2.1) | 1987 | Arcadia Systems | ar_bios | | |
| ar_dart2 | World Darts (Arcadia, set 2) | 1987 | Arcadia Systems | ar_dart | ar_dart | |
| ar_dlta | Delta Command (Arcadia) | 1988 | Arcadia Systems | ar_bios | | |
| ar_fast | Magic Johnson's Fast Break (Arcadia, V 2.8) | 1988 | Arcadia Systems | ar_bios | | |
| ar_fasta | Magic Johnson's Fast Break (Arcadia, V 2.7) | 1988 | Arcadia Systems | ar_fast | ar_fast | |
| ar_ldrb | Leader Board (Arcadia, set 1, V 2.5) | 1988 | Arcadia Systems | ar_bios | | |
| ar_ldrba | Leader Board (Arcadia, set 2, V 2.4) | 1988 | Arcadia Systems | ar_ldrb | ar_ldrb | |
| ar_ldrbb | Leader Board (Arcadia, set 3) | 1988 | Arcadia Systems | ar_ldrb | ar_ldrb | |
| ar_ninj | Ninja Mission (Arcadia, set 1, V 2.5) | 1987 | Arcadia Systems | ar_bios | | |
| ar_ninj2 | Ninja Mission (Arcadia, set 2) | 1987 | Arcadia Systems | ar_ninj | ar_ninj | |
| ar_pm | Pharaohs Match (Arcadia) | 1988 | Arcadia Systems | ar_bios | | |
| ar_rdwr | RoadWars (Arcadia, V 2.3) | 1988 | Arcadia Systems | ar_bios | | |
| ar_sdwr | Sidewinder (Arcadia, set 1, V 2.1) | 1988 | Arcadia Systems | ar_bios | | |
| ar_sdwr2 | Sidewinder (Arcadia, set 2) | 1988 | Arcadia Systems | ar_sdwr | ar_sdwr | |
| ar_socc | World Trophy Soccer (Arcadia, V 3.0) | 1989 | Arcadia Systems | ar_bios | | |
| ar_spot | Spot (Arcadia, V 2.0) | 1990 | Arcadia Systems | ar_bios | | |
| ar_sprg | Space Ranger (Arcadia, V 2.0) | 1987 | Arcadia Systems | ar_bios | | |
| ar_xeon | Xenon (Arcadia, V 2.3) | 1988 | Arcadia Systems | ar_bios | | |
| arabfgt | Arabian Fight (World) | 1991 | Sega | | | |
| arabfgtj | Arabian Fight (Japan) | 1991 | Sega | arabfgt | arabfgt | |
| arabfgtu | Arabian Fight (US) | 1991 | Sega | arabfgt | arabfgt | |
| arabian | Arabian | 1983 | Sun Electronics | | | |
| arabiana | Arabian (Atari) | 1983 | Sun Electronics (Atari license) | arabian | arabian | |
| arabianm | Arabian Magic (Ver 1.0O 1992/07/06) | 1992 | Taito Corporation Japan | | | |
| arabianmj | Arabian Magic (Ver 1.0J 1992/07/06) | 1992 | Taito Corporation | arabianm | arabianm | |
| arabianmu | Arabian Magic (Ver 1.0A 1992/07/06) | 1992 | Taito America Corporation | arabianm | arabianm | |
| arabnga6 | Arabian Nights (2J008211, NSW/ACT) | 2001 | Aristocrat | aristmk6 | | |
| arabnga6u | Arabian Nights (0151356, US) | 2004 | Aristocrat | arabnga6 | arabnga6 | |
| arac6000 | Super Six Plus II English Mark Darts | 1990 | Arachnid | | | |
| aracnis | Aracnis (bootleg of Scorpion on Moon Cresta hardware) | 19?? | bootleg | scorpion | scorpion | |
| arb | Auto Response Board | 1980 | AVE Micro Systems | | | |
| arbalest | Arbalester | 1989 | Seta | | | |
| arbga | SRX Arbiter Gate Array | | | | | |
| arbv2 | ARB V2 Sargon 4.0 | 2012 | hack (Steve Braid) | arb | arb | |
| arc_a5 | Argonaut ARCtangent A5 | | | | | |
| arcadecl | Arcade Classics (prototype) | 1992 | Atari Games | | | |
| arcadia | Arcadia 2001 | 1982 | Emerson | | | |
| arcadia_cart_slot | Emerson Arcadia Cartridge Slot | | | | | |
| arcadia_golf | Emerson Arcadia Golf Cart | | | | | |
| arcadia_rom | Emerson Arcadia Standard Carts | | | | | |
| arcadia_sound | Arcadia Custom Sound | | | | | |
| arcadian | Arcadia (NMK) | 1994 | NMK | | | |