| Game Name | System |
|---|
| Asylum (UE) (v3.0c) | C64 PP |
| Asylum (prototype) | MAME |
| At_the_Codfish_Ball | Atari 800 |
| Atabank (19xx)(Pressimage)(fr)(SW)[monochrome] | Atari ST |
| Atabase (19xx))(Lambin, Andre)(M4)[monochrome] | Atari ST |
| Atac (1992)(Microprose Software Inc) | DOS |
| Atahualpa (F) (1985) | CPC |
| Atahualpa (F) (1985) [a1] | CPC |
| Atahualpa (F) (1985) [a2] | CPC |
| Atama de DO! - Kotenko Kotenko (J)(Independent) | NDS |
| Atama no Kaiten no Training - Rubik's Cube & Chou Yuumei Puzzle Tachi (J)(Independent) | NDS |
| Atama wo Kitaete Asobu Taisen Yajirushi Puzzle - Puppynu Vector One (J)(WRG) | NDS |
| Ataque Nuclear (S) (1987) | CPC |
| Ataque Sideral (Spanish bootleg of UniWar S) | MAME |
| Atari - 5200 (No Intro) | Fullset |
| Atari - 7800 (No Intro) | Fullset |
| Atari - Jaguar (No Intro) | Fullset |
| Atari - Lynx (No Intro) | Fullset |
| Atari - ST (No Intro) | Fullset |
| Atari 1200XL | MAME |
| Atari 130XE | MAME |
| Atari 2600 (Good2600 v1.00) | Fullset |
| Atari 30th Aniversary Edition Redux (USA) | PSX2PSP |
| Atari 30th Aniversary Edition Redux [U] | PSX |
| Atari 400 (NTSC) | MAME |
| Atari 400 (PAL) | MAME |
| Atari 5200 | MAME |
| Atari 5200 (Good5200 v2.01) | Fullset |
| Atari 600XL | MAME |
| Atari 65XE | MAME |
| Atari 65XE (Arabic) | MAME |
| Atari 7800 (Good7800 v2.04) | Fullset |
| Atari 7800 (NTSC) | MAME |
| Atari 7800 (PAL) | MAME |
| Atari 8-bit Family Set | Fullset |
| Atari 800 (NTSC) | MAME |
| Atari 800 (PAL) | MAME |
| Atari 800XE | MAME |
| Atari 800XL (NTSC) | MAME |
| Atari 800XL (PAL) | MAME |
| Atari Adventure | Atari 800 |
| Atari Anniversary Advance (E)(Independent) | GBA |
| Atari Anniversary Advance (U)(Mode7) | GBA |
| Atari Anniversary Edition (USA) | DC |
| Atari Anniversary Edition Redux (E) | PSX |
| Atari Anthology (Europe) | PS2 |
| Atari Anthology (USA) | PS2 |
| Atari Arogue | Atari 800 |
| Atari Baseball (set 1) | MAME |
| Atari Baseball (set 2) | MAME |
| Atari Blackjack Casino | Atari 800 |
| Atari Blackjack Casino (19xx)(-)[b][k-file] | Atari 800 |
| Atari Classics Evolved (USA) | PSP |
| Atari Desktop for ST-TT Computer (1990-06-19)(Atari Corp.)(fr) | Atari ST |
| Atari Double Monopoly | Atari 800 |
| Atari Football (4 players) | MAME |
| Atari Football (revision 1) | MAME |
| Atari Football (revision 2) | MAME |
| Atari Football II | MAME |
| Atari Greatest Hits - Volume 1 (E) | NDS |
| Atari Greatest Hits - Volume 2 (U) | NDS |
| Atari Greed | Atari 800 |
| Atari HD Utility Disk v2.0 (1988)(Atari Corp) | Atari ST |
| Atari Image Manager v3.00 (1991-03-25)(TU Delft)(PD)[Bitz 210] | Atari ST |
| Atari Invaders (1981)(Joe Helleson) | Atari 800 |
| Atari Jaguar (GoodJag v2.01) | Fullset |
| Atari Jaguar Information Disk (19xx)(-) | Atari ST |
| Atari Karts (World) | Jaguar |
| Atari Language Disk 1040ST (1986)(Atari Corp.) | Atari ST |
| Atari Language Disk 520ST (1985)(Atari Corp.) | Atari ST |
| Atari Language Disk Mega ST (1987)(Atari Corp.)(de)[!] | Atari ST |
| Atari Language Disk Mega ST (19xx)(Atari Corp.) | Atari ST |
| Atari Language Disk Mega STE (19xx)(Atari Corp.) | Atari ST |
| Atari Language Disk Mega STE without HDD (1991)(Atari Corp.)(de)[!] | Atari ST |
| Atari Language Disk STE (1989)(Atari Corp.)(de)[!] | Atari ST |
| Atari Language Disk STE (19xx)(Atari Corp.) | Atari ST |
| Atari Language Disk STE (19xx)(Atari Corp.)(fr) | Atari ST |
| Atari Language Disk STE (19xx)(Atari Corp.)(fr)[a] | Atari ST |
| Atari Language Disk TT (19xx)(Atari Corp.) | Atari ST |
| Atari Logo (1985)(Atari Corp.)(fr) | Atari ST |
| Atari Lynx (GoodLynx v2.01) | Fullset |
| Atari Masterpieces Vol. 1 (USA, Europe) (En,Fr,De,Es,It) (Review Kit 22) (v0.41) | NGage |
| Atari Masterpieces Vol. 1 (USA, Europe) (En,Fr,De,Es,It) (Review Kit 25) (v0.41) | NGage |
| Atari Masterpieces Vol. 1 (USA, Europe) (En,Fr,De,Es,It) (Review Kit 465) (v0.15) | NGage |
| Atari Masterpieces Vol. 1 (USA, Europe) (En,Fr,De,Es,It) (v0.41) | NGage |
| Atari Masterpieces Vol. 2 (USA, Europe) (En,Fr,De,Es,It) (v0.35) | NGage |
| Atari Mega STE Language Disk (1990)(Atari Corp.) | Atari ST |
| Atari Mega STE Language Disk (1990)(Atari Corp.)[a] | Atari ST |
| Atari Mini Golf (prototype) | MAME |
| Atari Musicmaker (1989)(Music Sales) | Atari ST |
| Atari Olympics, The (19xx)(Atari) | Atari 800 |
| Atari PSX | MAME |
| Atari ST | Fullset |
| Atari ST Language Disk (1985)(Atari Corp.) | Atari ST |
| Atari ST Language Disk (1985)(Atari Corp.)(de) | Atari ST |
| Atari Soccer | MAME |
| Atari System 1 BIOS | MAME |
| Atari TT Desktop for ST (19xx)(-)[German Readme] | Atari ST |
| Atari Video Cube (Atari Cube, Video Cube) (1982) (Atari - GCC) (CX2670) | 2600 |
| Atari Works (19xx)(STP Electronics Ltd.)(fr)[b2] | Atari ST |
