| Game Name | System |
|---|
| Atomic Boy (revision A) | MAME |
| Atomic Boy (revision B) | MAME |
| Atomic Point (Korea) | MAME |
| Atomic Punk (US) | MAME |
| Atomic Robo-kid (Japan) | MAME |
| Atomic Robo-kid (Japan, Type-2, set 1) | MAME |
| Atomic Robo-kid (Japan, Type-2, set 2) | MAME |
| Atomic Robo-kid (World, Type-2) | MAME |
| Atomiswave Bios | MAME |
| Ator | MAME |
| Atronic SetUp/Clear Chips (Russia, set 1) | MAME |
| Atronic SetUp/Clear Chips (Russia, set 2) | MAME |
| Attaché | MAME |
| Attack | MAME |
| Attack (Set 1) [TTL] | MAME |
| Attack (Set 2) [TTL] | MAME |
| Attack Force | MAME |
| Attack From Mars (1.0) | MAME |
| Attack From Mars (1.1 Ultrapin) | MAME |
| Attack From Mars (1.1) | MAME |
| Attack From Mars (1.13, Free play) | MAME |
| Attack From Mars (1.13b) | MAME |
| Attack Pla Rail (Japan, AP1/VER.A) | MAME |
| Attack UFO | MAME |
| Attila The Hun | MAME |
| Aurail (set 1, Japan) (FD1089A 317-0167) | MAME |
| Aurail (set 1, Japan) (bootleg of FD1089A 317-0167 set) | MAME |
| Aurail (set 2, World) (FD1089B 317-0168) | MAME |
| Aurail (set 2, World) (bootleg of FD1089B 317-0168 set) | MAME |
| Aurail (set 3, US) (unprotected) | MAME |
| Ausbaufaehiger Mikrocomputer mit dem U 880 | MAME |
| Aussie Byte II | MAME |
| Austin Powers (2.01) | MAME |
| Austin Powers (3.00) | MAME |
| Austin Powers (3.01) | MAME |
| Austin Powers (3.02) | MAME |
| Austin Powers (ARM7 Sound Board) | MAME |
| Austin Powers (Barcrest) (MPU5) (set 1) | MAME |
| Austin Powers (Barcrest) (MPU5) (set 2) | MAME |
| Austin Powers (Barcrest) (MPU5) (set 3) | MAME |
| Austin Powers (France) | MAME |
| Austin Powers (Germany) | MAME |
| Austin Powers (Italy) | MAME |
| Automat (bootleg of Robocop) | MAME |
| Autoroute (Barcrest) (MPU3) | MAME |
| Autumn Moon (1VXFC5488, New Zealand) | MAME |
| Avalanche | MAME |
| Ave Fenix (Electrogame, Spanish bootleg of Phoenix) | MAME |
| Ave Fenix (Laguna, Spanish bootleg of Phoenix) | MAME |
| Ave Fenix (Recreativos Franco, Spanish bootleg of Phoenix) | MAME |
| Avenger [TTL] | MAME |
| Avengers (US set 1) | MAME |
| Avengers (US set 2) | MAME |
| Avengers In Galactic Storm (Japan) | MAME |
| Avengers In Galactic Storm (US) | MAME |
| Avenging Spirit | MAME |
| Awesome Toss'em (Lazer-tron) | MAME |
| Aztarac | MAME |
| Aztec (Dutch) (Bellfruit) (Scorpion 4) | MAME |
| Aztec Casino (Dutch) (Bellfruit) (Scorpion 4) | MAME |
| Azumanga Daioh Puzzle Bobble (GDL-0018) | MAME |
| Azurian Attack | MAME |
| B-Wings (Alt Ver.?) | MAME |
| B-Wings (Japan new Ver.) | MAME |
| B-Wings (Japan old Ver.) | MAME |
| B.C. Kid / Bonk's Adventure / Kyukyoku!! PC Genjin | MAME |
| B.C. Story (set 1) | MAME |
| B.C. Story (set 2) | MAME |
| B.Rap Boys (World) | MAME |
| B.Rap Boys Special (Japan) | MAME |
| B.Rap Boys Special (US) | MAME |
| B128 | MAME |
| B128-80HP | MAME |
| B16 | MAME |
| B256 | MAME |
| B256-80HP | MAME |
| B28/38 | MAME |
| B500 | MAME |
| BBC A3000 | MAME |
| BBC Bridge Companion | MAME |
| BBC Master 128 | MAME |
| BBC Master 512 | MAME |
| BBC Master AIV | MAME |
| BBC Master Compact | MAME |
| BBC Master Compact (Arabic) | MAME |
| BBC Master ET | MAME |
| BBC Master Turbo | MAME |
| BBC Micro Model A | MAME |
| BBC Micro Model B | MAME |
| BBC Micro Model B (German) | MAME |
| BBC Micro Model B (US) | MAME |
| BBC Micro Model B+ 128K | MAME |
| BBC Micro Model B+ 64K | MAME |
| BCS 3 rev 2.4 | MAME |
| BCS 3 rev 3.1 29-column | MAME |
| BCS 3 rev 3.1 40-column | MAME |
| BCS 3 rev 3.2 | MAME |
| BCS 3 rev 3.3 | MAME |
| BIC A5105 | MAME |
| BINBUG 3.6 | MAME |
