| Atari Baseball (1978) | 9,332 | 24 |
| Atari Classics Evolved (2007) | 221,291 | 64 |
| Atari Flashback Classics (2018) | 755,251 | 974 |
| Atari Flashback Classics Volume 3 (2018) | 840,686 | 93 |
| Atari Football (1978) | 212,047 | 105 |
| Atari Karts (1995) | 149,286 | 180 |
| Atari Masterpieces Vol. 2 (2006) | 830 | 3 |
| Atari Vault (2016) | 6,499,959 | 1,119 |
| Atari Video Cube (1982) | 24,923 | 53 |
| Atari's Greatest Hits (2011) | 149,527 | 103 |
| Atari: 80 Classic Games in One (2003) | 7,447 | 4 |
| AtariAge Holiday Greetings 2005 (2005) | 2,172 | 17 |
| Ataxx (1990) | 23,095 | 42 |
| Atchmo (2024) | 0 | 0 |
| ATCo2 (2023) | 8 | 1 |
| Atelier Agnes (2021) | 8,222 | 26 |
| Atelier Annie: Alchemists of Sera Island (2009) | 226,095 | 180 |
| Atelier Ayesha: The Alchemist of Dusk (2012) | 3,762,108 | 4,286 |
| Atelier Elie: The Alchemist of Salburg 2 (1998) | 194,737 | 520 |
| Atelier Escha & Logy: Alchemists of the Dusk Sky (2013) | 8,404,238 | 4,611 |
| Atelier Firis: The Alchemist and the Mysterious Journey (2016) | 4,790,804 | 9,777 |
| Atelier Iris 2: The Azoth of Destiny (2005) | 1,453,672 | 1,600 |
| Atelier Iris 3: Grand Phantasm (2006) | 1,559,671 | 1,861 |
| Atelier Iris: Eternal Mana (2004) | 1,572,593 | 2,629 |
| Atelier Judie: The Alchemist of Gramnad (2002) | 137,086 | 251 |
| Atelier Lilie: The Alchemist of Salburg 3 (2001) | 231,670 | 331 |
| Atelier Lulua: The Scion of Arland (2019) | 4,450,844 | 7,226 |
| Atelier Lydie & Suelle: The Alchemists and the Mysterious Paintings (2017) | 5,481,363 | 9,274 |
| Atelier Marie: The Alchemist of Salburg (1997) | 5,460,403 | 3,463 |
| Atelier Meruru: The Apprentice of Arland (2011) | 4,263,718 | 4,536 |
| Atelier Online: Alchemists of the Brasier (2018) | 1,267,751 | 1,045 |
| Atelier Quest Board (2014) | 2,773 | 8 |
| Atelier Rorona: The Alchemist of Arland (2009) | 6,306,173 | 5,997 |
| Atelier Ryza 2: Lost Legends & the Secret Fairy (2020) | 15,043,475 | 21,176 |
| Atelier Ryza 3: Alchemist of the End & the Secret Key (2023) | 11,322,559 | 16,607 |
| Atelier Ryza: Ever Darkness & the Secret Hideout (2019) | 28,365,786 | 28,100 |
| Atelier Shallie: Alchemists of the Dusk Sea (2014) | 7,039,387 | 4,195 |
| Atelier Sophie 2: The Alchemist of the Mysterious Dream (2022) | 5,471,669 | 10,007 |
| Atelier Sophie: The Alchemist of the Mysterious Book (2015) | 8,183,142 | 16,827 |
| Atelier Tia (2020) | 60,099 | 11 |
| Atelier Totori: The Adventurer of Arland (2010) | 4,325,048 | 3,443 |
| Atelier Viorate: The Alchemist of Gramnad 2 (2003) | 198,347 | 293 |
| Atelier Yumia: The Alchemist of Memories & the Envisioned Land (2025) | 8,958,855 | 6,530 |
| ATF (1988) | 403,669 | 60 |
| Atgtha in Absurdia (2020) | 2,371 | 3 |
| Atham Battle Simulator (2023) | 0 | 0 |
| Athanasy (2022) | 1,242,686 | 293 |
| Athena (1986) | 17,583,794 | 1,219 |
| Athena Code (2022) | 3,755 | 16 |
| Athena Crisis (2024) | 62,009 | 58 |
| Athena Trivia (2021) | 0 | 0 |
| Athena: Awakening from the Ordinary Life (1999) | 382,158 | 171 |
| Athenian Rhapsody (2023) | 100,822 | 279 |
| Athens 2004 (2004) | 1,753,686 | 216 |
| Athereon: Advent I (2022) | 0 | 0 |
| Athletic Land (1984) | 51,962 | 76 |
| Athletic World (1986) | 86,450 | 95 |
| Athos (2023) | 96,790,643 | 308 |
| Atic Atac (1983) | 1,085,926 | 231 |
| Ativeil (2018) | 2,715 | 12 |
| Atlantic Quest (2014) | 48,194 | 46 |
| Atlantica Online (2008) | 17,011,728 | 10,695 |
| Atlantis (1982) | 109,414,200 | 5,949 |
| Atlantis Academy (2023) | 14,027 | 10 |
| Atlantis Evolution (2004) | 117,215 | 96 |
| Atlantis II (1999) | 285,738 | 193 |
| Atlantis III: The New World (2001) | 320,720 | 150 |
| Atlantis no Nazo (1986) | 2,829,704 | 629 |
| Atlantis Sky Patrol (2006) | 251,460 | 179 |
| Atlantis The Lost Empire: Search for the Journal (2001) | 173 | 3 |
| Atlantis The Lost Empire: Trial by Fire (2001) | 727 | 2 |
| Atlantis: The Lost Tales (1997) | 754,220 | 416 |
| The Atlas (1991) | 65,442,773 | 8,769 |
| ATLAS (2018) | 36,155,496 | 12,599 |
| Atlas Ablaze (2024) | 169 | 1 |
