| Igo Shinan '92 | 1992 | nes |
| Igo Shinan '93 | 1992 | nes |
| Igo Shinan '94 | 1993 | nes |
| Igo Time Trial - Shikatsu Daihyakka | 1995 | 3do |
| Igo Time Trial - Tsumego I | 1995 | 3do |
| Ikasama Mahjong | 2000 | ps1 |
| Il Galeone | 2000 | arcade |
| Il Pagliaccio | | arcade |
| Imekura Mahjong | 1994 | arcade |
| Infinita Strada | 2014 | vita |
| Internet Igo - Heisei Kiin 24 | 2002 | ps2 |
| Internet Mahjong - Toufuusou de Asobou | 2002 | ps2 |
| Internet Othello - Othello World 24 | 2002 | ps2 |
| Internet Shougi - Shougi Doujou 24 | 2002 | ps2 |
| Inuyasha - Naraku no Wana! Mayoi no Mori no Shoutaijou | 2003 | gba |
| Iowa Premium Player | 1990 | arcade |
| Ippatsu Gyakuten | 1986 | arcade |
| Ishida Yoshio Kudan no Igo Seiha | 1995 | 3do |
| Ishida Yoshio Tsumego Paradise | 1990 | gb |
| Ishikura Noboru Kudan no Igo Kouza - Chuukyuu-hen - Jitsuryoku 5-kyuu o Mezasu Hito e | 2003 | ps2 |
| Ishikura Noboru Kudan no Igo Kouza - Joukyuu-hen - Mezase, Jitsuryoku Shodan! | 2004 | ps2 |
| Ishikura Noboru Kudan no Igo Kouza - Nyuumon-hen - Kondokoso Honki de Oboeru Igo | 2003 | ps2 |
| Isseki Hatchou - Kore 1ppon de 8shurui! | 2002 | gba |
| Itadaki Street - Dragon Quest & Final Fantasy 30th Anniversary | 2017 | vita |
| Itadaki Street - Gorgeous King | 1998 | ps1 |
| Itadaki Street 2 - Neon Sign ha Barairo Ni | 1994 | snes |
| Itadaki Street 3 - Okuman Chouja ni Shite Ageru! Katei Kyoushi Tsuki! | 2002 | ps2 |
| Itadaki Street DS - Dragon Quest Super Mario | 2007 | nds |
| Itou Hatasu Rokudan no Shougi Doujou | 1994 | snes |
| Itsudemo Dokodemo Dekiru Igo - AI Igo DS | 2006 | nds |
| Itsudemo Dokodemo Dekiru Shougi - AI Shougi DS | 2006 | nds |
| Jack House | 1994 | arcade |
| Jack Potten's Poker | 1987 | arcade |
| Jackpot Bowling | 1998 | arcade |
| Jackpot Cards / Jackpot Pool | 1997 | arcade |
| Jackpot Joker Poker | 1983 | arcade |
| Jahmong | 2000 | dreamcast |
| Jan Jan Paradise | 1996 | arcade |
| Jan Jan Paradise 2 | 1997 | arcade |
| Jan Mu | 1990 | arcade |
| Jan Oh | 1984 | arcade |
| Jan Sangoku Musou | 2006 | nds |
| Jan Sangoku Musou | 2006 | ps2 |
| Jang Jang Koi Shimashow - Lovely Pop 2 in 1 | 1998 | ps1 |
| Jang Jang Koi Shimashow Separate 1 - Jang Jang Shimashow | 2000 | ps1 |
| Jang Jang Koi Shimashow Separate 2 - Koi Koi Shimashow | 2000 | ps1 |
| Jang Taku | 1986 | arcade |
| Jangou | 1990 | nes |
| Jangou | 1983 | arcade |
| Jangou Lady | 1984 | arcade |
| Jangou Simulation Mahjong Dou 64 | 1997 | n64 |
| Jangou World Cup | 1993 | segacd |
| Janhai Yuugi '99 - Tanuki no Kawazanyou | 1998 | ps1 |
| Jankyuusei - Cosplay Paradise | 2001 | gbc |
| Janline | 2008 | xbox360 |
| Janline R | 2009 | ps3 |
| Janou Touryuumon | 1993 | genesis |
| Janputer '96 | 1996 | arcade |
| Janputer Special | 1997 | arcade |
| Janshi | 1992 | arcade |
| Janshin Densetsu - Quest of Jongmaster | 1994 | arcade |
| Janshirou | 1992 | gb |
| Janshirou II - Sekai Saikyou no Janshi | 1994 | gb |
| Jansou | 1985 | arcade |
| Jantaku Boy | 1992 | gb |
| Jantei Battle Cos-Player | 1997 | saturn |
| Jantei Monogatari 2 - Uchuu Tantei Diban - Kanketsu-hen | 1992 | pcengine |
| Janyou Part I | 1983 | arcade |
| Janyou Part II | 1983 | arcade |
| Janyuuki - Gokuu Randa | 1995 | snes |
| Je Decouvre les Echecs | 2007 | nds |
| Jeopardy! | 2017 | xboxone |
| Jewel Quest - Solitaire - 3 Tolle Solitaire-Spiele | 2010 | nds |
| Jewel Quest - Solitaire - Solitaire with a Twist! | 2011 | nds |
| Jewel Quest - Solitaire Trio | 2011 | nds |
| Jewel Quest 5 - The Sleepless Star | 2012 | nds |
| Jewel Quest IV - Heritage | 2011 | nds |
| Jibun wo Migaku Culture School Mahjong Hen | 1994 | arcade |
| Jin Hu Lu II | 1995 | arcade |
| Jin Hua Zhengba | | arcade |
| Jin Huangguan | 2002 | arcade |
| Jin Huangguan 6th | | arcade |
| Jin Huangguan II | 1997 | arcade |
| Jin Zuanshi | 2003 | arcade |
| Jinpai Suoha - Show Hand | 2004 | arcade |
| Jinsei Game | 1995 | gb |
| Jinsei Game | 2009 | nds |
| Jinsei Game | 2009 | wii |
| Jinsei Game - Happy Family | 2010 | wii |
| Jinsei Game - Happy Family - Gotouchi Neta Zouryou Shiage | 2011 | wii |
| Jinsei Game - Tomodachi Takusan Tsukurou yo! | 1999 | gbc |
| Jinsei Game 64 | 1999 | n64 |
| Jinsei Game Advance | 2002 | gba |
| Jinsei Game DS | 2006 | nds |
| Jinsei Game Densetsu | 1991 | gb |
| Jinsei Game Q - DS Heisei no Dekigoto | 2007 | nds |
| Jinsei Game Q - DS Shouwa no Dekigoto | 2007 | nds |
| Jinsei Game for Dreamcast | 2000 | dreamcast |
| Jipin Dou Dizhu | 2005 | arcade |
| Jissen Mahjong | 1995 | saturn |