| Arcadia Fallen II | r119455 | 2026-05-06 |
| Arcadia Fallen II | r152370 | 2026-05-05 |
| Arcadia Fallen II - Demo | r123880 | 2026-04-21 |
| Arcadia Files: Clyde | r120171 | 2026-05-16 |
| Arcana Alchemia - Download Edition | r120087 | 2026-05-20 |
| Arcana Alchemia - First Press Edition | r97638 | 2026-05-27 |
| Arcana Alchemia - Trial Edition | r97566 | 2026-06-04 |
| Arcana Apothecary - Demo | r127864 | 2026-05-31 |
| Arcana Apprentice Tale: The Dancing Rodent | r139163 | 2026-05-16 |
| Arcana Famiglia | r112255 | 2026-05-19 |
| Arcana Famiglia | r81202 | 2026-05-16 |
| Arcana Famiglia -Festa Regalo!- First Press Limited Special Bundle Edition | r53271 | 2026-05-26 |
| Arcana Famiglia -Festa Regalo!- Regular Edition | r44753 | 2026-05-25 |
| Arcana Famiglia -La storia della Arcana Famiglia- Ancora - Package Edition | r42062 | 2026-05-17 |
| Arcana Famiglia 2 - First Press Limited Special Bundle Edition | r25594 | 2026-06-03 |
| Arcana Famiglia Collezione! Piccola Amore | r53124 | 2026-05-16 |
| Arcana Famiglia Collezione! Piccola Amore | r53125 | 2026-04-21 |
| Arcana Famiglia: Vascello Phantasma no Majutsushi - First Press Limited Special Bundle Edition | r20761 | 2026-06-10 |
| Arcana Jiazu | r95119 | 2026-05-21 |
| Arcana Twilight | r88343 | 2026-05-16 |
| Arcana ~Hikari to Yami no Ecstasies~ DVD-ROM Edition | r5090 | 2026-06-01 |
| Arcana ~Hikari to Yami no Ecstasies~ Download Edition | r70849 | 2026-05-19 |
| Arcana: Heartbreak Rhapsody | r138446 | 2026-06-10 |
| Arcane City: Alive | r76021 | 2026-05-31 |
| Arcane City: Lyn;Lin | r68998 | 2026-05-29 |
| Arcane City: The Virgin | r76022 | 2026-04-21 |
| Arcane Dice Wars: Gacha Date! | r124740 | 2026-04-21 |
| Arcane Mafia | r138687 | 2026-05-16 |
| Arcane Shop v18.0.0-g/p | r115841 | 2026-06-04 |
| Arcane Shop v4.4.0 | r117681 | 2026-05-24 |
| Arcanum | r141682 | 2026-05-16 |
| Arcanum, Season 1 | r89497 | 2026-06-02 |
| Arcanum, Season 2 | r141680 | 2026-04-21 |
| Arcanum, Season 3 | r141681 | 2026-05-16 |
| Arches | r92240 | 2026-05-23 |
| Arches | r131977 | 2026-05-16 |
| Arches | r79371 | 2026-05-07 |
| Arches | r144955 | 2026-05-05 |
| Arches v0.8.1 | r115727 | 2026-05-16 |
| Archetype Arcadia | r93302 | 2026-05-16 |
| Archetype Arcadia | r129018 | 2026-05-05 |
| Archetype Arcadia - Download Edition | r114111 | 2026-06-07 |
| Archetype Arcadia - Download Edition | r114920 | 2026-06-06 |
| Archetype Arcadia - Package Edition | r81165 | 2026-05-28 |
| Archetype Arcadia - Package Edition | r109616 | 2026-05-16 |
| Archetype Arcadia - Package Edition | r109617 | 2026-05-16 |
| Archetype Arcadia - Package Edition | r109618 | 2026-05-06 |
| Archipelago | r134032 | 2026-05-07 |
| Arcshu ~Kagerou no Jidai o Koete~ | r18824 | 2026-05-10 |
| Arcshu ~Kagerou no Jidai o Koete~ | r18825 | 2026-05-07 |