| Ageless | 2020 | switch |
| Agent Hugo - Environment at Risk | 2010 | genesis |
| Agent Hugo - Hula Holiday | 2008 | ps2, wii |
| Agent Hugo - In the World of Dinosaurs | 2010 | genesis |
| Agent Hugo - Lemoon Twist | 2007 | ps2, wii |
| Agent Hugo - Roborumble | 2007 | gba |
| Agro Soar | 1993 | gb |
| Airhead | 2024 | switch |
| Airlock | 1982 | a2600 |
| Akuma-Jou Dracula | 1988 | arcade |
| Akumajou Densetsu | 1989 | nes |
| Akumajou Densetsu | 2012 | wii |
| Akumajou Dracula | 2012 | wii |
| Akumajou Dracula - Shikkoku Taru Zensoukyoku - Dark Night Prelude | 1997 | gb |
| Akumajou Dracula X - Chronicle | 2007 | psp |
| Aladdin | 1993 | gb, genesis, gg, nes |
| Aladdin | 2003 | gba |
| Aladdin | 2000 | gbc |
| Aladdin | 1994 | sms |
| Aladdin | 1993 | snes |
| Aladdin | 1993 | arcade |
| Aladdin 2000 | | snes |
| Aladdin 4 | 1996 | nes |
| Aladdin II | 1993 | genesis |
| Aladdin II | 1995 | nes |
| Albert and Otto | 2018 | xboxone |
| Alex Islands | 2022 | nes |
| Alex Kidd - Tenkuu Majou | 2014 | wii |
| Alex Kidd - The Lost Stars | 2009 | wii |
| Alex Kidd 3 - Curse in Miracle World | 2021 | sms |
| Alex Kidd in Miracle World | 2012 | ps3 |
| Alex Kidd in Miracle World 2 | 2017 | sms |
| Alex Kidd in Miracle World DX | 2021 | ps4, switch, xboxone |
| Alex Kidd in Shinobi World | 2010 | wii |
| Alex Kidd no Miracle World | | wii |
| Alex Kidd: The Lost Stars | 1986 | arcade, sms |
| The Alfonzo Game | 2018 | nes |
| Alfonzo's Arctic Adventure | 2019 | nes |
| Alfred Chicken | 1993 | cd32, gb, nes, snes |
| Alfred Chicken | | genesis |
| Alfred Chicken | 2002 | ps1 |
| Alice Sisters | 2021 | dreamcast |
| Alice Sisters | 2025 | gba |
| Alice in Wonderland | 2000 | gbc |
| Alice's Mom's Rescue | 2015 | jaguar |
| Alice's Mom's Rescue! | 2015 | jaguarcd |
| Alien 3 | 1992 | gb, genesis, gg, nes, sms, snes |
| Alien Chaos 3D | 2012 | 3ds |
| Alien Hominid HD | 2007 | switch, xbox360 |
| Alien Spidy | 2013 | ps3, xbox360 |
| Alien vs Predator | 1993 | gb |
| Alien vs Predator - The Last of His Clan | 1993 | gb |
| Alienators - Evolution Continues | 2001 | gba |
| All Hell Unleashed | 2025 | nes |
| All Night Nippon Super Mario Bros | 1986 | fds |
| Alley | 2024 | gb |
| Alley Cat | 2023 | gbc |
| Alligator Game | 2025 | genesis |
| Almost There: The Platformer | 2019 | switch, xboxone |
| Alter Ego | 2024 | sms |
| AlterEgo - Dreamwalker | 2020 | genesis |
| Alteric | 2017 | switch, vita, xboxone |
| Altron 3D Action | 2005 | nds |
| Alwa's Legacy | 2020 | ps4, switch |
| Amagon | 1989 | nes |
| The Amazing Adventures of Mr. F. Lea | 1982 | arcade |
| Amazing Discoveries in Outer Space | 2016 | ps4 |
| The Amazing Spider-Man | 1990 | gb |
| The Amazing Spider-Man - Web of Fire | 1996 | 32x |
| American Dragon - Jake Long | 2006 | nds |
| American Dragon - Jake Long - Rise of the Huntsclan | 2006 | gba |
| An American Tail | 2007 | ps2 |
| An American Tail - Fievel's Gold Rush | 2001 | gba |
| Amoeba Jump | 2018 | a2600 |
| Ancients of Ooga | 2010 | xbox360 |
| And Yet It Moves | 2010 | wii |
| Angel Cat Sugar | 2009 | nds |
| Animal Bomber | 2021 | switch |
| Animal Super Squad | 2018 | switch, xboxone |
| Animal Yokochou - Doki Doki Kyuushutsu Daisakusen! no Maki | 2005 | gba |
| Animalia Dreamland | 2022 | nes |
| Animaniacs - Hollywood Hypnotics | | gba |
| Animaniacs - Lights, Camera, Action! | 2005 | gba, nds |
| Anmitsu Hime | 1987 | sms |
| Another World - 20th Anniversary Edition | 2014 | 3ds |
| Antonblast | 2024 | switch |
| Antz | 1999 | gbc |
| Ao-Zora to Nakama-tachi - Yume no Bouken | 2002 | gba |
| Aoi Blink | 1990 | pcengine |
| Aozora to Nakamatachi - Yume no Bouken Plus | 2003 | ps1 |
| Ape Escape | 1999 | ps1 |
| Ape Escape - Pumped & Primed | 2004 | ps2 |
| Ape Escape 2 | 2002 | ps2 |
| Ape Escape 3 | 2005 | ps2 |
| Ape Escape P | 2005 | psp |
| Apple Head Land | 2025 | nes |
| Appleseed - Prometheus no Shintaku | 1994 | snes |
| The Apprentice | 1994 | cdi |
| Apuntalo, Cheril! | 2020 | nes |
| Arabian | 1983 | arcade, nes |