| Attack on Toys (2021) | 13,604,618 | 402 |
| Attack Zone (2022) | 27,291 | 16 |
| Attentat 1942 (2017) | 189,630 | 109 |
| Attractio (2016) | 242,544 | 149 |
| Attractorache (2018) | 0 | 0 |
| Atulos Online (2016) | 8,225 | 10 |
| ATurd - Abuser Escape (2022) | 368 | 3 |
| ATV GP (2010) | 15,025 | 7 |
| ATV Mudracer (2005) | 2,071 | 7 |
| ATV Offroad Fury (2001) | 1,336,072 | 519 |
| ATV Offroad Fury 2 (2002) | 1,762,236 | 822 |
| ATV Offroad Fury 3 (2004) | 516,315 | 415 |
| ATV Offroad Fury 4 (2006) | 816,342 | 438 |
| ATV Offroad Fury Pro (2006) | 314,067 | 164 |
| ATV Offroad Fury: Blazin' Trails (2005) | 215,045 | 80 |
| ATV Quad Kings (2009) | 27,272 | 29 |
| ATV Simulator (1987) | 33,326 | 69 |
| ATV Wild Ride (2011) | 39,456 | 36 |
| ATV: Quad Frenzy (2005) | 4,036 | 13 |
| ATV: Quad Power Racing (2000) | 132,218 | 255 |
| ATV: Quad Power Racing 2 (2003) | 2,071,258 | 255 |
| ATV: Thunder Ridge Riders (2006) | 2,867 | 25 |
| ATV: Thunder Ridge Riders / Monster Trucks Mayhem (2008) | 5,198 | 8 |
| Au Sable (2009) | 12,402 | 38 |
| Audica (2019) | 3,669,156 | 868 |
| Audio Beats (2017) | 31,528 | 32 |
| Audio Trip (2019) | 403,396 | 342 |
| AudioClash: Battle of the Bands (2021) | 50,116 | 10 |
| Audioshield (2016) | 0 | 0 |
| AudioSpace (2021) | 0 | 0 |
| Audiosurf (2008) | 32,087,250 | 16,047 |
| Audiosurf 2 (2015) | 13,480,847 | 11,746 |
| AudioWizards (2020) | 9,255 | 4 |
| Audition Online (2004) | 10,296,246 | 5,348 |
| Auditorium (2008) | 837,677 | 293 |
| Auf Wiedersehen Monty (1987) | 80,882 | 131 |
| Augma II - Arc I (2023) | 4 | 1 |
| Augmented Empire (2017) | 148,219 | 60 |
| Augmented Introspection: Emel (2023) | 0 | 0 |
| Augury (2021) | 145,417 | 17 |
| Augustus: Im Auftrag des Kaisers (2004) | 3,962 | 7 |
| Aunewyth (2023) | 6 | 1 |
| Aunt Arctic Adventure (1988) | 1,226 | 5 |
| Aura II: The Sacred Rings (2007) | 19,821 | 16 |
| Aura Kingdom (2013) | 30,827,137 | 10,403 |
| Aura Kingdom 2 (2020) | 6,717,354 | 1,569 |
| Aura of Worlds (2018) | 11,823 | 21 |
| Aura-Aura Climber (2010) | 78,069 | 11 |
| Aura: Fate of the Ages (2004) | 100,596 | 104 |
| Aurail (1990) | 72,003 | 64 |
| Aurendor (2023) | 850 | 3 |
| Aurion: Legacy of the Kori-Odan (2016) | 259,695 | 481 |
| Aurora Chronicles (2022) | 388 | 1 |
| Aurora Quest: Otaku no Seiza in Another World (1993) | 537 | 10 |
| Aurora's Journey and the Pitiful Lackey (2023) | 52,123 | 57 |
| Aurum Kings (2018) | 0 | 0 |
| Aussie Rules Footy (1991) | 34,608 | 42 |
| Austen Translation (2018) | 926 | 3 |
| Austerlitz (1986) | 199 | 2 |
| Austerlitz (1989) | 2,365 | 10 |
| Austin Powers Operation: Trivia (1999) | 12,030 | 9 |
| Austin Powers Pinball (2002) | 148,361 | 142 |
| Austin Powers: Oh, Behave! (2000) | 0 | 0 |
| Austin Powers: Welcome to My Underground Lair! (2000) | 35,362 | 51 |
| Australian Rugby League (1994) | 11,632 | 31 |
| Australian Rules Football (1989) | 68,343 | 17 |
| Australian trip (2017) | 234 | 5 |
| Author Clicker (2019) | 0 | 0 |
| Auto Assault (2006) | 561,831 | 79 |
| Auto Chess (2019) | 162,422,358 | 35,292 |
| Auto Club Revolution (2013) | 1,820,010 | 641 |
| Auto Destruct (1998) | 157,309 | 192 |
| Auto Modellista (2002) | 20,134,145 | 1,997 |
| Auto Montage (2021) | 16,538 | 7 |
| Auto Racing (1979) | 360,246 | 163 |
