| Jewel Match 2 | 2012 | nds |
| Jewel Match 3 | 2013 | 3ds |
| Jewel Match 3 | 2004 | nds |
| Jewel Quest | 2006 | xbox360 |
| Jewel Quest - Expeditions | 2008 | nds |
| Jewel Quest - Mysteries - 2 Tolle Wimmelbild-Abenteuer | 2010 | nds |
| Jewel Quest - Mysteries - Curse of the Emerald Tear | 2010 | nds |
| Jewel Quest - Solitaire | 2004 | nds |
| Jewel Quest - The Sapphire Dragon | 2014 | 3ds |
| Jewel Quest IV - Heritage | 2013 | 3ds |
| Jewel Quest Mysteries 2 - Trail of the Midnight Heart | 2011 | nds |
| Jewel Quest Mysteries 3 - The Seventh Gate | 2014 | 3ds |
| Jewel Quest Trilogy | 2011 | wii |
| Jewel Time Deluxe | 2011 | nds |
| Jewels of the Ages | 2011 | nds |
| Jewels of the Oracle | 1996 | saturn |
| Jewels of the Tropical Lost Island | 2010 | nds |
| Jigapix - Love is | 2004 | nds |
| Jigapix - Pets | 2010 | nds |
| Jigapix - Wild World | 2010 | nds |
| Jigapix - Wonderful World | 2010 | nds |
| Jigen Kairou | 2010 | psp |
| Jigsaw - The Ultimate Electronic Puzzle | 1991 | cdi |
| Jigsaw Island - Japan Graffiti | 1996 | ps1 |
| Jigsaw Madness | 2002 | ps1 |
| Jigsaw Party | 1994 | snes |
| Jigsaw Puzzle - Kyou no Wanko | 2007 | wii |
| Jigsaw Puzzle DS - DS de Meguru Sekai Isan no Tabi | 2008 | nds |
| Jigsaw World | 1995 | ps1 |
| Jigsaw World - Daigekitou! Jig Battle Heroes | 2008 | nds |
| Jikai Shounen Met Mag | 1987 | fds |
| Jin | 1982 | arcade |
| John Adventure | 1992 | svision |
| Joshikousei Nigeru! - Shinrei Puzzle Gakuen | 2008 | nds |
| Joshikousei no Houkago... Pukunpa | 1996 | ps1, saturn |
| Joshua & the Battle of Jericho | 1992 | gb, genesis, nes |
| Joy Joy Kid ~ Puzzled | 1994 | neogeocd |
| Judge Dee - The City God Case | 2012 | ps3 |
| Jukugon | 2006 | psp |
| Jumble Madness | 2010 | nds |
| Jump, Step, Step | 2017 | xboxone |
| The Jungle Book 2 | 2003 | gba |
| Junior Board Games | 2004 | ps2 |
| Junior Classic Games | 2004 | nds |
| Junior Island Adventure | 2011 | nds |
| Junior Mystery Stories | 2004 | nds |
| Junte 4 | 2003 | genesis |
| Just a Phrase by POWGI | 2020 | vita |
| KAMI | 2014 | 3ds |
| Ka-blooey | 1992 | snes |
| Kaept'n Blaubaer - Die verrueckte Schatzsuche | 2001 | gbc |
| Kakuromaniacs | 2007 | nds |
| Kameleon | 2008 | psp |
| Kangaeru Exit | 2007 | psp |
| Kanji Boy 2 | 2000 | gbc |
| Kanji de Puzzle | 2000 | gbc |
| Karamuchou wa Oosawagi! - Okawari! | 2000 | gbc |
| Karamuchou wa Oosawagi! - Polinkies to Okashina Nakama-tachi | 1998 | gbc |
| Karian Cross | 1996 | arcade |
| Katachi Shinhakken! Rittai Picross 2 | 2015 | 3ds |
| Katachi no Game - Maru Bou Shikaku | 2008 | wii |
| Katamari Damacy Reroll | 2018 | ps4, switch, xboxone |
| Katamari Forever | 2009 | ps3 |
| Katamari Forever | 2009 | ps3 |
| Katamuki Spirits | 2009 | wii |
| Kazama Jun to Asama Yuuko no AV Dragon Mahjong | 1991 | nes |
| Kazuo | 2006 | psp |
| Keep Talking and Nobody Explodes | 2018 | ps4, switch, xboxone |
| Keep the Balance | 2001 | gbc |
| Keeper | 1994 | snes |
| Kemono Friends Picross | 2018 | switch |
| Kero Kero Keroppi no Daibouken | 1991 | nes |
| Kersploosh! | 2013 | 3ds |
| Keshikyun Puzzle - Atori Mahiro vs. Saitou Hajime vs. Noel vs. Hakkai | 2010 | ps2 |
| Ketzal's Corridors | 2012 | 3ds |
| KeyWe | 2021 | switch |
| Kickle Cubicle | 1990 | nes |
| Kiddies Party Pack | 2006 | ps2 |
| Kidou Gekidan Haro Ichiza - Haro no Puyo Puyo | 2005 | gba |
| Kimi to Boku to Rittai | 2009 | wii |
| Kine | 2019 | switch, xboxone |
| Kinetic Connection | 1991 | gg |
| King Nothing | 2025 | nes |
| King Oddball | 2014 | ps3, ps4, vita, xboxone |
| Kirby Slide + | 2025 | gba |
| Kirby no Kirakira Kids | 1997 | gb, snes |
| Kirby's Avalanche | 1995 | snes |
| Kirby's Avalanche | 2007 | wii |
| Kirby's Ghost Trap | 1995 | snes |
| Kirby's Ghost Trap | 2007 | wii |
| Kirby's Star Stacker | 2012 | 3ds |
| Kirby's Star Stacker | 1997 | gb |
| Kitten Kaboodle | 1988 | arcade |
| Kiwame Mahjong DX II - The 4th MONDO21Cup Competition | 2002 | gc |
| Klax | 1990 | gb |
| Klax | 1990 | arcade, gb |
| Klax | | jaguarcd |
| Klondike | 1996 | genesis |
| Klustar | 1994 | gb |
| Klustar | 1999 | gbc |