| Game | Platform | Release Date | Overview | Front Cover | Back Cover | Fan Art | Title Screen | Screenshots | Clear Logo |
|---|---|---|---|---|---|---|---|---|---|
| Kitten Island #115916 | Nintendo Switch | 2023-06-03 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Kitten Kaboodle #42302 | Arcade | 1988-01-01 | ✓ | ✓ | Missing | Missing | Missing | Missing | ✓ |
| Kitten Squad #54100 | Sony Playstation 4 | 2015-09-15 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Kitty Love -Way to look for love- #76925 | Nintendo Switch | 2018-11-01 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Kitty Luv #73389 | PC | 2006-04-26 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Kitty Powers' Matchmaker #29297 | PC | Missing | ✓ | Missing | Missing | Missing | ✓ | Missing | |
| Kitty Tactics #95574 | PC | 2021-02-24 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Kitty the Kool! #56137 | Sony Playstation | 1998-11-26 | ✓ | ✓ | Missing | Missing | ✓ | ✓ | Missing |
| Kitty's Catch #76160 | Nintendo Entertainment System (NES) | 1989-01-01 | ✓ | ✓ | Missing | Missing | ✓ | ✓ | Missing |
| Kiwame Mahjong DX II #33574 | Nintendo GameCube | 2002-08-09 | Missing | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Kiwamu II #83683 | Sega Saturn | 1996-11-29 | Missing | ✓ | ✓ | Missing | Missing | Missing | Missing |
| Kizuchida Quiz da Gen-San Da! #49218 | Nintendo Game Boy | 1992-12-18 | ✓ | ✓ | ✓ | Missing | ✓ | ✓ | Missing |
| Kizuna AI - Touch the Beat! #115477 | Nintendo Switch | 2023-05-23 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Kizuna AI: Touch the Beat! #117065 | Sony Playstation 4 | 2023-05-23 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Kizuna AI: Touch the Beat! [Limited Edition] #128754 | Sony Playstation 4 | 2023-05-23 | ✓ | ✓ | ✓ | Missing | Missing | ✓ | Missing |
| Kizuna Encounter #8262 | Neo Geo | 1996-11-06 | ✓ | ✓ | Missing | Missing | Missing | ✓ | ✓ |
| Kizuna Encounter: Super Tag Battle #25608 | Arcade | 1996-09-20 | ✓ | ✓ | Missing | Missing | Missing | ✓ | ✓ |
| Kizuna Encounter: Super Tag Battle #115422 | PC | 2019-01-10 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Kizuna to Iuna no PENDANT with TOY BOX STORIES #104745 | Sony Playstation | 2000-04-06 | Missing | ✓ | Missing | Missing | Missing | Missing | Missing |
| KKND #90505 | PC | 1970-01-01 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| KKND #98872 | PC | 1997-01-01 | Missing | ✓ | Missing | Missing | Missing | Missing | Missing |
| KKND: Krossfire #35972 | Sony Playstation | 1999-04-15 | ✓ | ✓ | ✓ | Missing | Missing | ✓ | Missing |
| Klad / Labyrinth #103488 | Arcade | 1970-01-01 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| KlakTris #127711 | Amiga | 1990-01-01 | Missing | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Klap!! ~Kind Love and Punish~ #98425 | Sony Playstation Vita | 2015-07-30 | Missing | ✓ | Missing | Missing | Missing | Missing | Missing |
| KLAP!! ~Kind Love And Punish~ Fun Party #98426 | Sony Playstation Vita | 2017-03-30 | Missing | ✓ | Missing | Missing | Missing | Missing | Missing |
| Klash Ball #1879 | Nintendo Entertainment System (NES) | 1991-07-01 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Klątwa #133676 | Commodore 64 | 1993-01-01 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Klaus #142969 | PC | 2019-01-23 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Klaus [Variant Cover] #97974 | Sony Playstation 4 | 2016-01-19 | Missing | ✓ | Missing | Missing | Missing | Missing | Missing |
| Klaus Lee - Thunderballs #143334 | Nintendo Switch | 2025-06-26 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Klaus Lee - Thunderballs #143335 | PC | 2025-06-26 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Klaus Lee - Thunderballs #143336 | Sony Playstation 4 | 2025-06-26 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Klaus Lee - Thunderballs #143337 | Microsoft Xbox One | 2025-06-26 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Klaus Lee - Thunderballs #143338 | Microsoft Xbox Series X | 2025-06-26 | ✓ | ✓ | Missing | Missing | Missing | ✓ | Missing |
| Klaus Veen's Treason #130285 | PC | 2023-01-31 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Klax #539 | Sega Genesis | 1990-09-06 | ✓ | ✓ | ✓ | Missing | Missing | ✓ | ✓ |
| Klax #2835 | Nintendo Entertainment System (NES) | 1990-12-14 | ✓ | ✓ | Missing | Missing | Missing | Missing | ✓ |
| Klax #2877 | Sega Master System | 1991-01-01 | ✓ | ✓ | ✓ | Missing | Missing | Missing | ✓ |
| Klax #5173 | Atari 5200 | 2003-01-01 | ✓ | ✓ | ✓ | Missing | Missing | Missing | ✓ |
| Klax #5308 | Atari 2600 | 1990-12-01 | ✓ | ✓ | ✓ | Missing | Missing | Missing | ✓ |
| Klax #7845 | Arcade | 1990-02-01 | ✓ | ✓ | Missing | Missing | Missing | Missing | ✓ |
| Klax #8215 | TurboGrafx 16 | 1990-01-01 | ✓ | ✓ | Missing | Missing | Missing | Missing | ✓ |
| Klax #21103 | Atari 7800 | 2002-01-01 | ✓ | ✓ | Missing | Missing | Missing | ✓ | ✓ |
| Klax #21661 | Nintendo Game Boy | 1991-07-01 | ✓ | ✓ | Missing | Missing | Missing | Missing | ✓ |
| KLAX #22427 | Atari Lynx | 1990-08-02 | ✓ | ✓ | ✓ | Missing | ✓ | ✓ | ✓ |
| Klax #25124 | Sega Game Gear | 1992-01-01 | ✓ | ✓ | Missing | Missing | Missing | Missing | ✓ |
| Klax #25454 | Nintendo Game Boy Color | 1999-04-01 | ✓ | ✓ | Missing | Missing | Missing | Missing | Missing |
| Klax #28524 | Amstrad CPC | 1990-01-01 | ✓ | ✓ | Missing | Missing | Missing | Missing | ✓ |
| Klax #29126 | Sega Genesis | 1990-09-06 | ✓ | ✓ | ✓ | Missing | Missing | Missing | ✓ |