Region | Title | System | Version | Edition | Languages | Serial | Status |
| Azure Dreams | PSX | | Original | | SLES-01219 | |
| Atlantis III: The New World (Disc 1) | PC | 1.11.000 | Dice | | DCG 901660 | |
| Atlantis III: The New World (Disc 3) | PC | 1.11.000 | Dice | | DCG 901660 | |
| Alone in the Dark: The New Nightmare (Disc 1) | PSX | | Original | | SLES-02801 | |
| Alone in the Dark: The New Nightmare (Disc 2) | PSX | | Original | | SLES-12801 | |
| Alundra The Adventures of Alundra | PSX | | Original | | SLES-01135 | |
| Alien Odyssey | PC | | Original | | 810 5045 | |
| Atlantis III: The New World (Disc 2) | PC | 1.11.000 | Dice | | DCG 901660 | |
| Art of Murder: The Secret Files | PC | | Original | | | |
| Alone in the Dark 2 | PC | | Original, The Trilogy 1+2+3 | | ALON22103 | |
| Alone in the Dark 3 | PC | | Original, The Trilogy 1+2+3 | | ALON3GB5011 | |
| Alpha Protocol (Disc 2) | PC | 1.00.0000 | Original | | SEGA-PC095-DISC 2 | |
| Azrael's Tear | PC | | Budget | | MMICDR5180 | |
| Anna: Extended Edition | PC | | Original | | 415447 | |
| Agatha Christie: And Then There Were None | PC | | Diamond Casual Games | | MSL039778 | |
| Agatha Christie: Murder on the Orient Express | PC | | Diamond Casual Games | | MSL039785 | |
| Alida | PC | 4.02.0000 | Original | | | |
| Agatha Christie: Evil Under the Sun | PC | | Diamond Casual Games | | MSL039761 | |
| Ankh | PC | | Original | | | |
| Alone in the Dark: The New Nightmare (Disc 1) | PC | 2.00 | Best of Atari | | | |
| Alice in Wonderland | CDI | | Original | | 690 065-2 | |
| Alone in the Dark + Jack in the Dark | PC | | Original, Telstar Double Value Games | | ALONE2501EU | |
| Amerzone Series: Part 1 | PC | | Unsolved Mysteries | | | |
| Atlantis: De Verloren Legende (Disc 1) | PC | | Original | | ATL-DUCD1 | |
| Atlantis: De Verloren Legende (Disc 2) | PC | | Original | | ATL-DUCD2 | |
| Atlantis: De Verloren Legende (Disc 3) | PC | | Original | | ATL-DUCD3 | |
| Atlantis: De Verloren Legende (Disc 4) | PC | | Original | | ATL-DUCD4 | |
| Atlantis II (Disc 1) | PC | 1.00.000 | Original | | AT2-DUCD1 | |
| Atlantis II (Disc 2) | PC | 1.00.000 | Original | | AT2-DUCD2 | |
| Atlantis II (Disc 3) | PC | 1.00.000 | Original | | AT2-DUCD3 | |
| Atlantis II (Disc 4) | PC | 1.00.000 | Original | | AT2-DUCD4 | |
| Astonishia Story | PSP | 1.01 | Original | | ULES-00363 | |
| Atlantis II: The New World (Disc 1) | PC | 1.00.000 | Original | | AT2-ENCD1 | |
| Ark of Time | PC | | Dice | | DMM 004013 | |
| Atlantis III: The New World | PS2 | 1.02 | Original | | SLES-50661 | |
| Amerzone: The Explorer's Legacy (Disc 2) | PC | | Original | | CD 65444102, CD 65444103 | |
| Amerzone: The Explorer's Legacy (Disc 3) | PC | | Original | | CD 65444102, CD 65444103 | |
| Amerzone: The Explorer's Legacy (Disc 4) | PC | | Original | | CD 65444102, CD 65444103 | |
| Atlantis III: The New World (Disc 1) | PC | | Original | | AT3ENCD1 | |
| Atlantis III: The New World (Disc 2) | PC | | Original | | AT3ENCD2 | |
| Atlantis III: The New World (Disc 3) | PC | | Original | | AT3ENCD3 | |
| Atlantis II (Disc 3) | PC | | Original | | AT2-ENCD3 | |
| Alpha Protocol (Disc 1) | PC | 1.00.0000 | Original | | SEGA-PC095-DISC 1, SYX26176GM1 | |
| Arc: Twilight of the Spirits | PS2 | 1.00 | Original, Promo | | SCES-51910 | |
| Alone in the Dark 3 | PC | | Dice | | DCG 004151, DMM 004175 | |
| AGON: The Mysterious Codex | PC | 1.0 | Original | | | |
| Adventure at the Two Towers Adventure at the Château d'Or | PC | | Original | | | |
| Alone in the Dark: The New Nightmare (Disc 3) | PC | 2.00 | Original, Best of Atari | | ALO4PCG/A3 | |
| Art of Murder: FBI Confidential | PC | 1.8.1 | Original | | | |