| Aqua Forest 2 (2009) | 128 | 6 |
| Aqua GT (2000) | 100,128 | 156 |
| Aqua Jack (1989) | 66,465 | 143 |
| Aqua Kitty - Milk Mine Defender (2013) | 217,858 | 230 |
| Aqua Lungers (2018) | 90,960 | 27 |
| Aqua Moto Racing (2009) | 42,396 | 45 |
| Aqua Moto Racing Utopia (2016) | 876,936 | 712 |
| Aqua Panic ! (2015) | 217,314 | 152 |
| Aqua Populo (2022) | 3,086 | 9 |
| Aqua Racer (1985) | 94,480 | 122 |
| Aqua Rush (1999) | 127,326 | 89 |
| Aqua Teen Hunger Force Zombie Ninja Pro-Am (2007) | 370,367 | 288 |
| Aqua Vita (2007) | 171,491 | 6 |
| Aquaculture Land: Fish Farming Simulation (2022) | 78,391 | 37 |
| Aquadine (2021) | 43,688 | 127 |
| AquaDream (2025) | 0 | 0 |
| Aquales (1991) | 18,563 | 62 |
| Aquaman: Battle for Atlantis (2003) | 11,014,166 | 360 |
| Aquaman: War of the Water Worlds (1996) | 684 | 6 |
| Aquamarine (2022) | 3,413,477 | 552 |
| Aquanaut's Holiday (1995) | 459,711 | 154 |
| Aquanaut's Holiday: Hidden Memories (2008) | 495,500 | 238 |
| AquaNimble (2016) | 1,171,936 | 5 |
| AquaNox (2001) | 3,513,944 | 707 |
| AquaNox 2: Revelation (2003) | 425,068 | 618 |
| AquaNox: Deep Descent (2020) | 3,197,038 | 999 |
| Aquapark Tycoon (2025) | 213,276 | 105 |
| Aquapazza: Aquaplus Dream Match (2011) | 2,121,372 | 1,846 |
| Aquaria (2007) | 1,922,018 | 1,156 |
| Aquarist (2022) | 3,994,133 | 1,401 |
| Aquarist VR (2022) | 4,083 | 27 |
| Aquarium (1996) | 265,193 | 169 |
| Aquarium at August 32nd (2024) | 1,887 | 8 |
| Aquarium Designer (2021) | 540,938 | 399 |
| The Aquarium does not dance (2024) | 1,478 | 1 |
| Aquarium Land (2024) | 14,006,593 | 635 |
| Aquarium Travels (2022) | 318 | 4 |
| Aquarius: An Aquatic Experience (2007) | 28 | 1 |
| AQUARYOUNS World (2019) | 1,596 | 3 |
| Aquascaping Designer (2023) | 62 | 1 |
| The Aquatic Adventure of the Last Human (2016) | 876,709 | 407 |
| The Aquatic Games (1992) | 129,986 | 185 |
| The Aquatic Messenger (2025) | 0 | 0 |
| Aquatic Rampage (2021) | 216 | 2 |
| Aquatic Store Simulator (2024) | 412,051 | 473 |
| Aquatico (2023) | 9,822,996 | 1,516 |
| Aquatron (1983) | 1,008 | 4 |
| Aquaventura (1992) | 16,725 | 13 |
| Aquaventure (1983) | 214,836 | 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) | 8,178,601 | 312 |
| Ar Nosurge (2014) | 707,722 | 1,152 |
| Ar Nosurge: Ode to an Unborn Star (2014) | 1,361,189 | 1,407 |
| Ar Tonelico 2 (2007) | 970,889 | 1,571 |
| Ar Tonelico II: Melody of Metafalica (2007) | 4,659,541 | 2,521 |
| Ar Tonelico Qoga (2010) | 6,554,219 | 2,711 |
| Ar Tonelico: Melody of Elemia (2006) | 2,604,873 | 4,084 |
| Ar'Kritz the Intruder (1996) | 6,833 | 4 |
| AR-K (2014) | 9,916,816 | 2,542 |
| Ara Fell (2016) | 477,825 | 1,882 |
| Ara: History Untold (2024) | 6,093,267 | 2,172 |
| Arabian (1983) | 277,059 | 197 |
| Arabian Fight (1992) | 817,262 | 393 |
| Arabian Magic (1992) | 515,124 | 313 |
| Arabian Nights (1993) | 8,620,682 | 136 |
| Arabian Nights (2001) | 654,579 | 28 |
| Arabians Lost: The Engagement on Desert (2006) | 6,737 | 25 |
| Arachnophobia (1991) | 5,611,342 | 459 |
| AraCore Astromining Ventures (2025) | 0 | 0 |
| Aragami (2016) | 32,274,809 | 15,199 |
| Aragami 2 (2021) | 15,819,259 | 16,227 |
