| Futakoi-jima - Koi to Mizugi no Survival | 2005 | ps2 |
| Futari wa Pretty Cure - Arienaai! Yume no Sono wa Daimeikyuu | 2004 | gba |
| Future GPX Cyber Formula - Aratanaru Chousensha | 1999 | ps1 |
| Fuuraiki | 2001 | ps1 |
| Fuuraiki | 2008 | ps2 |
| Fuuraiki 2 | 2008 | ps2 |
| Fuuraiki 3 | 2015 | vita |
| Fuuraiki 4 | 2021 | ps4 |
| Fuyu Kiss | 2021 | ps4, switch |
| Fuyu no Sonata DS | 2009 | nds |
| Fuzzical Fighter | 1991 | nes |
| GA - Geijutsuka Art Design Class - Slapstick Wonder Land | 2010 | psp |
| GS Mikami | 1994 | pcengine |
| GZSZ Vol. 2 | 1999 | ps1 |
| GZSZ Vol. 3 | 1999 | ps1 |
| Gadget - Past as Future | 1997 | ps1 |
| Gaiapolis | 1994 | nes |
| Gakkou de Atta Kowai Hanashi | 1995 | snes, wiiu |
| Gakkou de Atta Kowai Hanashi S | 1997 | ps1 |
| Gakkou no Kaidan | 1995 | saturn |
| Gakkou no Kaidan - Hyakuyoubako no Fuuin | 2004 | gba |
| Gakkou no Kaidan DS | 2008 | nds |
| Gakkou no Kowai Uwasa - Hanako-san ga Kita!! | 1995 | 3do |
| Gakkou no Kowai Uwasa - Hanako-san ga Kita!! | 1995 | ps1, saturn |
| Gakkou no Kowai Uwasa - Hanako-san ga Kita!! - Minna no Hanako-san | 2008 | nds |
| Gaku Ou - The Royal Seven Stars +Meteor | 2013 | psp |
| Gakuen Alice - Dokidoki Fushigi Taiken | 2004 | gba |
| Gakuen Alice - Waku Waku Happy Friends | 2007 | nds |
| Gakuen Club - Himitsu no Nightclub | 2017 | vita |
| Gakuen Heaven - Boy's Love Scramble! | 2006 | ps2 |
| Gakuen Heaven - Boy's Love Scramble! | 2015 | vita |
| Gakuen Heaven - Boy's Love Scramble! Type B | 2004 | ps2 |
| Gakuen Heaven - Okawari! | | psp |
| Gakuen Heaven - Okawari! Boy's Love Attack! | 2005 | ps2 |
| Gakuen Heaven 2 - Double Scramble | 2015 | vita |
| Gakuen Heaven Boys Love Scramble | 2009 | psp |
| Gakuen Hetalia Portable | 2011 | psp |
| Gakuen K - Wonderful School Days | 2014 | psp |
| Gakuen K - Wonderful School Days V Edition | 2015 | vita |
| Gakuen Utopia - Manabi Straight! Kira Kira Happy Festa! | 2007 | ps2 |
| Gakusen Toshi Asterisk Festa - Houka Kenran | | vita |
| Gal Gun Returns | 2021 | switch |
| Galaxy Angel - Eternal Lovers | 2005 | ps2 |
| Galaxy Angel - Moonlit Lovers | 2004 | ps2 |
| Galaxy Angel II - Mugen Kairou no Kagi | 2007 | ps2 |
| Galaxy Angel II - Zettai Ryouiki no Tobira | 2006 | ps2 |
| Galileo Mystery - Die Krone des Midas | 2009 | ps2 |
| Galileo Mystery - Die Krone des Midas | 2009 | wii |
| Galtia V Edition | 2018 | vita |
| Game Demo, Papa no Iu Koto o Kikinasai! | | psp |
| Game ni Natta yo! Dokuro-chan - Kenkou Shindan Daisakusen | 2005 | ps2 |
| Game of Thrones - A Telltale Games Series | 2014 | ps3, ps4, xbox360 |
| Game of Thrones: Season One | 2014 | xboxone |
| Gamebook DS - Aquarian Age - Perpetual Period | 2004 | nds |
| Gamebook DS - Koukaku no Regios | 2004 | nds |
| Gamebook DS - Sword World 2.0 | 2009 | nds |
| Gamedec | 2022 | switch |
| Ganbare Goemon! - Karakuri Douchuu | 1986 | nes |
| Gangs of London | 2006 | psp |
| Garden Story | 2021 | switch |
| Gardenscapes | 2012 | 3ds |
| Gardenscapes | 2012 | nds |
| Gargoyle's Quest II | 1992 | nes |
| Garnet Cradle Portable - Kagi no Himemiko | | psp |
| Gate Keepers | 1998 | ps1 |
| GeGeGe no Kitarou | 1997 | ps1 |
| GeGeGe no Kitarou - Gentou Kaikitan | 1996 | saturn |
| Gekka Mugentan Torico | 1996 | saturn |
| Gekka Ryouran Romance | 2011 | psp |
| Genesis Noir | 2021 | switch |
| Genroh | 2012 | psp |
| Genshi no Kotoba | 2001 | ps2 |
| Gensou Maden Saiyuuki - Hangyaku no Toushin-taishi | 2003 | gba |
| Gensou Suiko Gaiden Vol. 1 - Harmonia no Kenshi | 2000 | ps1 |
| Gensou Suiko Gaiden Vol. 2 - Crystal Valley no Kettou | 2001 | ps1 |
| Gensou no Artemis | 2000 | ps1 |
| Gensō Rōgoku no Kaleidoscope | 2020 | ps4, switch, vita |
| Gerda: A Flame in Winter | 2022 | switch |
| German Tanteidan MarinGumi - Maruhi Jigomar Sousa File | 1988 | fds |
| Geronimo Stilton - Return to the Kingdom of Fantasy | 2012 | psp |
| Geronimo Stilton - Return to the Kingdom of Fantasy - The Videogame | 2013 | psp |
| Geronimo Stilton in the Kingdom of Fantasy | 2011 | psp |
| Get Chuu Club - Minna no Konchuu Daizukan | 1999 | gbc |
| GetBackers - Dakkan'ya | 2001 | ps1 |
| Geten no Hana | 2013 | psp |
| Geten no Hana - Yume Akari | 2014 | psp |
| Getsuei Gakuen - Kou | 2013 | vita |
| Getsuei no Kusari - Sakuran Paranoia | 2013 | psp |
| Getsuei no Kusari - Sakuran Paranoia | 2015 | vita |
| Getsumen no Anubis | 1995 | snes |
| Getsumento Heiki Mina - Futatsu no Project M | 2007 | ps2 |
| Gex - Enter the Gecko | 1998 | gbc |
| Ghost Hunter Series - Kuroki Shi no Kamen | 1994 | 3do |
| Ghost Town | 2021 | gbc |
| Ghost Trick - Phantom Detective | 2010 | nds |
| Ghost Trick: Phantom Detective | 2023 | switch |
| Ghosts 'n Goblins | 2007 | wii |
| Ghouls 'n Ghosts | 2007 | wii |
| Gibbous: A Cthulhu Adventure | 2020 | switch |
| Gift - Prism | 2006 | ps2 |