| '98 Koushien - Koukou Yakyuu Simulation | 1998 | ps1 |
| '99 Koushien | 1999 | ps1 |
| 100% Star | 2001 | ps1 |
| 112 Operator | 2021 | switch |
| 12 Labours of Hercules | 2019 | switch |
| 12 Labours of Hercules II: The Cretan Bull | 2020 | switch |
| 12 Labours of Hercules IV: Mother Nature | 2021 | switch |
| 12 Labours of Hercules VI: Race for Olympus | 2023 | switch |
| 13 Sentinels: Aegis Rim | 2019 | ps4, switch |
| 1552 Tenka Tairan | 1993 | pcengine |
| 15in1 Solitaire | 2022 | switch |
| 1971 Project Helios | 2020 | switch |
| 2010 - The Graphic Action Game | 1984 | col |
| 3-D Tic-Tac-Toe | 1978 | a2600 |
| 360 Breakout | 2016 | wiiu |
| 3rd Degree | 1993 | cdi |
| 77a | 1998 | n64 |
| 77a Special Edition | 1998 | n64 |
| 8-BIT XMAS 2016 | 2016 | nes |
| 8-Bit Armies | 2018 | ps4, xboxone |
| 8-Bit Hordes | 2019 | ps4, xboxone |
| 8-Bit Invaders | 2019 | ps4, xboxone |
| A-Train 6 | 2004 | ps2 |
| A-mazing Tater | 1992 | gb |
| A6 - A Ressha de Ikou 6 | 2000 | ps2 |
| ABPA Backgammon | 1978 | intv |
| AI Igo 2003 | 2003 | ps2 |
| AI Mahjong 2003 | 2003 | ps2 |
| AI Shougi 2003 | 2003 | ps2 |
| AV Hanafuda Club | 1991 | nes |
| Achtung! Cthulhu Tactics | 2018 | ps4, switch, xboxone |
| Acorn Assault: Rodent Revolution | 2017 | xboxone |
| Advance Wars | 2001 | gba, wii |
| Advance Wars | 2014 | wiiu |
| Advance Wars - Dark Conflict | 2008 | nds |
| Advance Wars - Dual Strike | 2005 | nds, wiiu |
| Advance Wars 1+2: Re-Boot Camp | 2023 | switch |
| Advance Wars 2 - Black Hole Rising | 2003 | gba, wiiu |
| Advanced Daisenryaku - Deutsch Dengeki Sakusen | 1991 | genesis |
| Advanced Daisenryaku - Sturm ueber Europa - Der Deutsche Blitzkrieg | 2000 | dreamcast |
| Advanced Daisenryaku 2001 | 2001 | dreamcast |
| Advanced World War - Sennen Teikoku no Koubou - Last of the Millennium | 1997 | saturn |
| The Adventures of Darwin | 2006 | ps2 |
| Adventures of Lolo | 1989 | nes |
| Adventures of Lolo | 2014 | wiiu |
| Adventures of Lolo 2 | 1990 | nes |
| Adventures of Lolo 3 | 1991 | nes |
| Adventures of Lolo II | 1990 | nes |
| Aedis Eclipse - Generation of Chaos | 2007 | psp |
| Aedis Eclipse - Generation of Chaos | 2011 | psp |
| Aegis of Earth - Protonovus Assault | 2016 | ps3, ps4, vita |
| Agarest Senki Zero - Dawn of War | 2008 | xbox360 |
| Age of Booty | 2008 | ps3, xbox360 |
| Age of Empires - Mythologies | 2008 | nds |
| Age of Empires - The Age of Kings | 2006 | nds |
| Age of Empires II - The Age of Kings | 2001 | ps2 |
| Age of Wonders: Planetfall | 2019 | ps4, xboxone |
| Akatsuki no Amaneka to Aoi Kyojin | 2010 | psp |
| Akazukin ChaCha - Osawagase! Panic Race! | 1996 | pcfx |
| Alien | 2014 | lynx |
| Aliens Versus Predator - Extinction | 2003 | ps2, xbox |
| Aliens: Dark Descent | 2023 | ps4 |
| Allied General | 1996 | ps1 |
| Ambition of the Slimes | 2017 | switch |
| America Daitouryou Senkyo | 1988 | nes |
| Amoeba Battle: Microscopic RTS Action | 2020 | ps4, switch, xboxone |
| Anata no Shikihime Kyoudoutan | 2018 | vita |
| Ancestors Legacy | 2019 | ps4, switch, xboxone |
| Anchorz Field | 1999 | ws |
| Angel Collection 2 - Pichimo ni Narou | 2004 | gba |
| Angelique - Voice Fantasy | 1996 | snes |
| Animal Breeder | 1997 | gb |
| Animal Breeder 2 | 1998 | gb |
| Anno - Create a New World | 2004 | nds, wii |
| Anno 1701 - Dawn of Discovery | 2007 | nds |
| Anomaly - Warzone Earth | 2012 | ps3, xbox360 |
| Anomaly 2 | 2014 | ps4 |
| Ant Nation | 2009 | nds, wii |
| Aoki Ookami to Shiroki Mejika - Genchou Hishi | 1993 | genesis, nes, pcengine, segacd |
| Aoki Ookami to Shiroki Mejika - Genchou Hishi | 1998 | ps1 |
| Aoki Ookami to Shiroki Mejika - Genghis Khan | 1989 | nes |
| Apocalypse - Desire Next | 2007 | xbox360 |
| Aqua Paradise | 2000 | ps1 |
| Aqualife | 1999 | gbc |
| Aquarian Age - Tokyo Wars | 2000 | ps1 |
| Arcadian Atlas | 2023 | switch |
| Archon | 1989 | nes |
| Arctic | 1990 | nes |
| Arliel - Crystal Densetsu | 1991 | gg |
| Armed for Battle | 2014 | nes |
| Armored Core - Formula Front International | 2004 | psp |
| Armored Unit | 1999 | ws |
| Army Men | 2000 | gbc |
| Army Men - RTS | 2002 | gc, ps2 |
| Army Men 2 | 2000 | gbc |
| Arslan Senki | 1993 | segacd |
| Artillery Duel | 1983 | a2600, col |
| Artillery Duel | 1982 | astrocade |
| Asameshimae Nyanko | 1994 | snes |
| Asterix & Obelix: Heroes | 2023 | switch |