| Aquatic Rampage (2021) | 216 | 2 |
| Aquatic Store Simulator (2024) | 412,034 | 472 |
| Aquatico (2023) | 9,822,930 | 1,515 |
| Aquatron (1983) | 1,006 | 4 |
| Aquaventura (1992) | 16,725 | 13 |
| Aquaventure (1983) | 214,835 | 97 |
| AquaZone: Life Simulator (2006) | 6,273 | 7 |
| Aquia (2008) | 987 | 3 |
| Aquila Bird Flight Simulator (2020) | 27,527 | 29 |
| Aquillanto (2022) | 6,020 | 4 |
| Aquilon's Sex Quest (2025) | 425 | 2 |
| AR Games (2011) | 8,175,675 | 311 |
| Ar Nosurge (2014) | 707,694 | 1,152 |
| Ar Nosurge: Ode to an Unborn Star (2014) | 1,361,162 | 1,407 |
| Ar Tonelico 2 (2007) | 970,470 | 1,571 |
| Ar Tonelico II: Melody of Metafalica (2007) | 4,655,266 | 2,506 |
| Ar Tonelico Qoga (2010) | 6,553,250 | 2,709 |
| Ar Tonelico: Melody of Elemia (2006) | 2,603,158 | 4,037 |
| Ar'Kritz the Intruder (1996) | 6,833 | 4 |
| AR-K (2014) | 9,899,617 | 2,536 |
| Ara Fell (2016) | 477,086 | 1,875 |
| Ara: History Untold (2024) | 6,091,923 | 2,167 |
| Arabian (1983) | 277,058 | 197 |
| Arabian Fight (1992) | 817,232 | 393 |
| Arabian Magic (1992) | 515,099 | 312 |
| Arabian Nights (1993) | 8,619,734 | 136 |
| Arabian Nights (2001) | 654,579 | 28 |
| Arabians Lost: The Engagement on Desert (2006) | 6,737 | 25 |
| Arachnophobia (1991) | 5,579,404 | 455 |
| Aragami (2016) | 32,273,161 | 15,166 |
| Aragami 2 (2021) | 15,811,555 | 16,198 |
| Araha : Curse of Yieun Island (2020) | 3,162,344 | 288 |
| ARAIGNEES (2021) | 322,037 | 19 |
| Arashi: Castles of Sin (2021) | 757,129 | 417 |
| Arata Haunted Asylum (2022) | 9 | 1 |
| Araya (2016) | 146,115,417 | 6,621 |
| Arbalester (1989) | 55,232 | 81 |
| Arbeit Man in another world (2021) | 0 | 0 |
| Arboreal (2021) | 79,257 | 32 |
| Arboria (2020) | 1,298,016 | 645 |
| Arc Arena: Monster Tournament (1997) | 30,849 | 42 |
| Arc of Alchemist (2019) | 635,886 | 503 |
| The Arc of Yesod (1985) | 11,783 | 22 |
| ARC Raiders (2025) | 715,000,555 | 188,928 |
| Arc Rise Fantasia (2009) | 3,381,298 | 3,819 |
| ARC SAVIOR (2019) | 20,435 | 45 |
| ARC Squadron (2012) | 107,327 | 43 |
| ARC STYLE: Baseball (2012) | 32,389 | 5 |
| Arc Style: Soccer!! 3D (2011) | 4,328 | 5 |
| Arc Symphony (2017) | 2,027 | 1 |
| Arc the Lad (1995) | 2,065,988 | 2,180 |
| Arc the Lad II (1996) | 4,204,486 | 3,686 |
| Arc the Lad III (1999) | 847,159 | 1,638 |
| Arc the Lad: End of Darkness (2004) | 201,193 | 316 |
| Arc the Lad: Kijin Fukkatsu (2002) | 61,149 | 24 |
| Arc the Lad: Twilight of the Spirits (2003) | 1,196,470 | 3,998 |
| ARC: Antic Runes Combat (2024) | 35 | 2 |
| ARCA Sim Racing '08 (2008) | 44,585 | 16 |
| Arcade America (1996) | 1,203,221 | 43 |
| Arcade Archives: Shusse Ozumo (1984) | 22,403 | 57 |
| Arcade Darts (2010) | 4,113 | 17 |
| Arcade Empire Tycoon (2024) | 126,329 | 12 |
| Arcade Flight Simulator (1989) | 9,450 | 25 |
| Arcade Fruit Machine (1990) | 28,567 | 71 |
| Arcade Galaxy Builder (2023) | 90 | 3 |
| Arcade Hoops Basketball (2008) | 134,728 | 26 |
| Arcade Legend (2022) | 302,846 | 258 |
| Arcade Machine Basketball (2021) | 78 | 1 |
| Arcade Manager (2025) | 2,987,032 | 12 |
| Arcade Moonlander (2017) | 0 | 0 |
| Arcade Paradise (2021) | 12,389,234 | 6,371 |
| Arcade Party Pak (1999) | 32,407 | 48 |
| Arcade Pool (1994) | 39,312 | 77 |
| Arcade Reality (2009) | 30 | 1 |
| Arcade Smash Hits (1992) | 19,349 | 64 |
