| Grasspin | — | Ultimate Play the Game | — |
| Gundam Battle Royale | action game | Artdink | PlayStation Portable |
| Gyropod | — | Taskset | Commodore 64 |
| Harvey Birdman: Attorney at Law | interactive film, adventure video game, visual novel | High Voltage Software | Wii |
| Haunted Cities Volume 3 | adventure video game | Kitty Horrorshow | Microsoft Windows, macOS, Linux |
| Heist | — | — | Microsoft Windows |
| Hogan's Alley | first-person shooter | Intelligent Systems | Nintendo Entertainment System |
| Homeworld 2 | space opera video game, simulation video game, real-time strategy, strategy video game | — | Microsoft Windows, macOS |
| Hot Coffee | — | Q94912 | Microsoft Windows |
| How to Train Your Dragon | action-adventure game | Étranges Libellules | PlayStation 3, Nintendo DS, Wii |
| Icewind Dale: Enhanced Edition | role-playing video game | Beamdog | Microsoft Windows, macOS, Linux, Android |
| Ikusa Megami 2 ~Ushinawareshi Kioku e no Chinkonka~ | eroge, visual novel | Eushully | Microsoft Windows |
| Ikusa Otome Valkyrie 2 "Shu yo, Midara na Watashi o Oyurushi Kudasai..." | eroge, visual novel | — | Microsoft Windows |
| Illuvium: Arena | strategy video game, auto battler | Illuvium Labs | Microsoft Windows |
| Illuvium: Overworld | monster-taming game, massively multiplayer online role-playing game, adventure video game | Illuvium Labs | Microsoft Windows |
| Imagine Interior Designer | simulation video game | Anuman | Nintendo DS |
| IndyCar Series 2005 | — | — | Microsoft Windows |
| Izumo 2 ~Gakuen Kyousoukyoku~ | — | Studio e.go! | Microsoft Windows |
| Izumo Zero | strategy video game | Studio e.go! | Microsoft Windows |
| Jerez's Arena | erotic video game, strategy video game, role-playing video game | Eternal Alice Studio | Microsoft Windows, macOS, Android |
| JetFighter: The Adventure | — | — | — |
| Jetpack Joyride+ | — | Halfbrick Studios | — |
| Jujutsu Kaisen: Phantom Parade | — | Sumzap | Android |
| Junkster | — | Stormcloud Games | Microsoft Windows, Xbox Series X and Series S |
| Kaiju No. 8: The Game | gacha game, role-playing video game | Akatsuki Games | Microsoft Windows, Android |
| Karma | — | — | Acorn Archimedes |
| Kemono Friends | real-time strategy, role-playing video game | — | Android |
| Kemono Friends PAVILION | incremental game | — | Android |
| Kessen | historical video game, real-time tactics | Koei | — |
| Kessen II | historical video game, real-time tactics, strategy video game | Koei | — |
| Kickoff '97 | — | — | Microsoft Windows, DOS |
| Kid Kirby | — | — | Super Nintendo Entertainment System |
| Kidz Sports: American Football | — | Data Design Interactive | Wii |
| King's Questions | quiz video game | — | — |
| Kujaku Ō | — | Graphic Research Co., Ltd. | MSX 2, Nintendo Entertainment System |
| Langrisser IV | tactical role-playing game | Career Soft | — |
| Langrisser Schwarz | massively multiplayer online role-playing game | AGE | Microsoft Windows |
| Launchball | — | — | web browser |
| Learn to Play Chess with Fritz & Chesster 2: Chess in the Black Castle | — | — | Microsoft Windows |
| Lego Bluey | — | — | Android |
| Leisure Suit Larry 8: Lust in Space | point-and-click adventure, adventure video game | Q494614 | Microsoft Windows |
| Letter Boxed | word video game | — | web browser |
| Lilo & Stitch: Hawaiian Adventure | minigame collection, arcade | Gorilla Systems | Classic Mac OS, Microsoft Windows |
| Little Big Adventure 3 | — | [2.21] | — |
| Lost Heroes | — | — | PlayStation Portable, Nintendo 3DS |
| Magnus & Myggen - Rene Hænder | educational video game | — | Android |
| Major League Baseball 2K12 | sports video game | Visual Concepts | PlayStation 3, Microsoft Windows, Nintendo DS, Wii |
| Major League Baseball 2K7 | sports video game | 2K Los Angeles | PlayStation 3, Nintendo DS |