| Game | Platform | Developer | Publisher (JP) | Publisher (NA) | Publisher (PAL) |
|---|---|---|---|---|---|
| Atelier Rorona Plus: The Alchemist of Arland | Sony PS Vita, Sony PlayStation 3 | Gust | Koei Tecmo Games | Koei Tecmo Games | Koei Tecmo Games |
| Atelier Rorona Plus: The Alchemist of Arland (3DS) | Nintendo 3DS | Gust | Koei Tecmo Games | N/A | N/A |
| Atelier Rorona: The Alchemist of Arland | Sony PlayStation 3 | Gust | Gust | NIS America | NIS America |
| Atelier Rorona: The Alchemist of Arland DX | Microsoft Windows, Nintendo Switch, Sony PlayStation 4 | Gust | Koei Tecmo Games | Koei Tecmo Games | Koei Tecmo Games |
| Atelier Ryza 2: Lost Legends & the Secret Fairy | Microsoft Windows, Nintendo Switch, Sony PlayStation 4, Sony PlayStation 5 | Gust | Koei Tecmo Games | Koei Tecmo Games | Koei Tecmo Games |
| Atelier Ryza 3: Alchemist of the End & the Secret Key | Microsoft Windows, Nintendo Switch, Sony PlayStation 4, Sony PlayStation 5 | Gust | Koei Tecmo Games | Koei Tecmo Games | Koei Tecmo Games |
| Atelier Ryza: Ever Darkness & the Secret Hideout | Microsoft Windows, Nintendo Switch, Sony PlayStation 4 | Gust | Koei Tecmo Games | Koei Tecmo Games | Koei Tecmo Games |
| Atelier Shallie Plus: Alchemists of the Dusk Sea | Sony PS Vita | Gust | Gust | Koei Tecmo Games | Koei Tecmo Games |
| Atelier Shallie: Alchemists of the Dusk Sea | Microsoft Windows, Nintendo Switch, Sony PlayStation 3, Sony PlayStation 4 | Gust | Gust | Koei Tecmo Games | Koei Tecmo Games |
| Atelier Sophie 2: The Alchemist of the Mysterious Dream | Microsoft Windows, Nintendo Switch, Sony PlayStation 4 | Gust | Koei Tecmo Games | Koei Tecmo Games | Koei Tecmo Games |
| Atelier Sophie: The Alchemist of the Mysterious Book | Microsoft Windows, Nintendo Switch, Sony PS Vita, Sony PlayStation 3, Sony PlayStation 4 | Gust | Koei Tecmo Games | Koei Tecmo Games | Koei Tecmo Games |
| Atelier Totori Plus: The Adventurer of Arland | Sony PS Vita | Gust | Gust | NIS America | NIS America |
| Atelier Totori: The Adventurer of Arland | Sony PlayStation 3 | Gust | Gust | NIS America | NIS America |
| Atelier Totori: The Alchemist of Arland DX | Microsoft Windows, Nintendo Switch, Sony PlayStation 4 | Gust | Koei Tecmo Games | Koei Tecmo Games | Koei Tecmo Games |
| Atelier Viorate: The Alchemist of Gramnad 2 | Sony PSP, Sony PlayStation 2 | Gust | Gust | N/A | N/A |
| Atelier Yumia: The Alchemist of Memories & the Envisioned Land | Microsoft Windows, Microsoft Xbox One, Microsoft Xbox Series X|S, Nintendo Switch, Sony PlayStation 4, Sony PlayStation 5 | Gust | Koei Tecmo Games | Koei Tecmo Games | Koei Tecmo Games |
| Athanasy | Microsoft Windows, Nintendo Switch | Wirion | N/A | 7DOTS | 7DOTS |
| Athena ~Awakening from the ordinary life~ | Sony PSP, Sony PlayStation, Sony PlayStation 3 | Yumekobo | SNK | N/A | N/A |
| Athenian Rhapsody | Android, Microsoft Windows, Microsoft Xbox One, Microsoft Xbox Series X|S, Nintendo Switch, Sony PlayStation 4, Sony PlayStation 5, iOS | Nico Papalia | N/A | Top Hat Studios | Top Hat Studios |
| Atlantica Online | Microsoft Windows | NDOORS | NDOORS, Nexon, Valofe | NDOORS, Nexon, Valofe | NDOORS, Nexon, Valofe |
| Atlantis: The Lost Tales | Microsoft Windows, Sega Saturn, Sony PlayStation | Cryo Interactive Entertainment | N/A | Interplay Entertainment, SEGA | Cryo Interactive Entertainment |
| Atlas Fallen | Microsoft Windows, Microsoft Xbox Series X|S, Sony PlayStation 5 | Deck13 Interactive | N/A | Focus Entertainment | Focus Entertainment |
| Atlas Wept | Microsoft Windows | Kbojisoft | N/A | Kbojisoft, Wings | Kbojisoft, Wings |
| Atom RPG | Linux, Microsoft Windows, macOS | AtomTeam | N/A | AtomTeam | AtomTeam |
| Atomic Heart II | Microsoft Windows | Mundfish | N/A | Mundfish | Mundfish |
