| At the Carnival (1989) | 23,113,493 | 138 |
| At the dream end (2023) | 5,379 | 5 |
| At Tony's (2024) | 9,832,377 | 560 |
| At Winter's End (2023) | 3,346 | 14 |
| Atama (2022) | 1,224,957 | 88 |
| Atan (2024) | 122,740 | 31 |
| Ataraxie (2024) | 1,308 | 10 |
| Atari 2600 Action Pack (1995) | 3,134 | 12 |
| Atari Anniversary Advance (2002) | 26,401 | 42 |
| Atari Anthology (2003) | 233,254 | 162 |
| Atari Baseball (1978) | 9,445 | 24 |
| Atari Classics Evolved (2007) | 221,291 | 64 |
| Atari Flashback Classics (2018) | 756,271 | 977 |
| Atari Flashback Classics Volume 3 (2018) | 840,686 | 93 |
| Atari Football (1978) | 212,047 | 105 |
| Atari Karts (1995) | 150,275 | 182 |
| Atari Masterpieces Vol. 2 (2006) | 830 | 3 |
| Atari Vault (2016) | 6,501,193 | 1,123 |
| Atari Video Cube (1982) | 25,030 | 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) | 23,241 | 43 |
| Atchmo (2024) | 0 | 0 |
| ATCo2 (2023) | 8 | 1 |
| Atelier Agnes (2021) | 8,222 | 26 |
| Atelier Annie: Alchemists of Sera Island (2009) | 226,104 | 180 |
| Atelier Ayesha: The Alchemist of Dusk (2012) | 3,763,958 | 4,305 |
| Atelier Elie: The Alchemist of Salburg 2 (1998) | 194,746 | 520 |
| Atelier Escha & Logy: Alchemists of the Dusk Sky (2013) | 8,406,613 | 4,647 |
| Atelier Firis: The Alchemist and the Mysterious Journey (2016) | 4,804,091 | 9,874 |
| Atelier Iris 2: The Azoth of Destiny (2005) | 1,454,134 | 1,622 |
| Atelier Iris 3: Grand Phantasm (2006) | 1,562,497 | 1,886 |
| Atelier Iris: Eternal Mana (2004) | 1,578,993 | 2,637 |
| Atelier Judie: The Alchemist of Gramnad (2002) | 143,572 | 254 |
| Atelier Lilie: The Alchemist of Salburg 3 (2001) | 231,670 | 331 |
| Atelier Lulua: The Scion of Arland (2019) | 4,469,856 | 7,263 |
| Atelier Lydie & Suelle: The Alchemists and the Mysterious Paintings (2017) | 5,486,499 | 9,316 |
| Atelier Marie: The Alchemist of Salburg (1997) | 5,460,973 | 3,470 |
| Atelier Meruru: The Apprentice of Arland (2011) | 4,265,175 | 4,566 |
| Atelier Online: Alchemists of the Brasier (2018) | 1,267,752 | 1,046 |
| Atelier Quest Board (2014) | 2,773 | 8 |
| Atelier Rorona: The Alchemist of Arland (2009) | 6,309,121 | 6,054 |
| Atelier Ryza 2: Lost Legends & the Secret Fairy (2020) | 15,058,218 | 21,346 |
| Atelier Ryza 3: Alchemist of the End & the Secret Key (2023) | 11,347,670 | 16,805 |
| Atelier Ryza: Ever Darkness & the Secret Hideout (2019) | 28,444,271 | 28,376 |
| Atelier Shallie: Alchemists of the Dusk Sea (2014) | 7,043,123 | 4,199 |
| Atelier Sophie 2: The Alchemist of the Mysterious Dream (2022) | 5,479,454 | 10,152 |
| Atelier Sophie: The Alchemist of the Mysterious Book (2015) | 8,195,798 | 16,904 |
| Atelier Tia (2020) | 60,099 | 11 |
| Atelier Totori: The Adventurer of Arland (2010) | 4,328,314 | 3,490 |
| Atelier Viorate: The Alchemist of Gramnad 2 (2003) | 198,347 | 293 |
| Atelier Yumia: The Alchemist of Memories & the Envisioned Land (2025) | 9,510,469 | 7,135 |
| ATF (1988) | 404,113 | 61 |
| Atgtha in Absurdia (2020) | 2,371 | 3 |
| Atham Battle Simulator (2023) | 0 | 0 |
| Athanasy (2022) | 1,242,714 | 293 |
| Athena (1986) | 17,587,264 | 1,234 |
| Athena Code (2022) | 3,755 | 16 |
| Athena Crisis (2024) | 62,009 | 58 |
| Athena Trivia (2021) | 0 | 0 |
| Athena: Awakening from the Ordinary Life (1999) | 382,282 | 173 |
| Athenian Rhapsody (2023) | 100,899 | 279 |
| Athens 2004 (2004) | 1,753,817 | 217 |
| Athereon: Advent I (2022) | 0 | 0 |
| Athletic Land (1984) | 397,419 | 78 |
| Athletic World (1986) | 86,450 | 95 |
| Athos (2023) | 96,790,748 | 309 |
| Atic Atac (1983) | 1,085,929 | 232 |
| Ativeil (2018) | 2,715 | 12 |
| Atlantic Quest (2014) | 48,194 | 46 |
| Atlantica Online (2008) | 17,047,944 | 10,804 |
| Atlantis (1982) | 109,460,861 | 5,994 |
| Atlantis Academy (2023) | 14,027 | 10 |
| Atlantis Evolution (2004) | 117,923 | 108 |
