| Title | Year | Genre |
|---|---|---|
| Kaettekita Mario Bros | ???? | Arcade |
| Kalin no Tsurugi | ???? | Adventure |
| Kamen Rider Black - Taiketsu Shadow Moon | ???? | Action |
| Karate Champ | ???? | Sports |
| Kattobi! Douji | ???? | Baseball |
| Kick and Run | ???? | Soccer |
| Kick Challenger - Air Foot | ???? | Arcade |
| Kieta Princess | ???? | Action |
| Kiki Kaikai - Dotou Hen | ???? | Shooter |
| Kineko - Kinetic Connection - The Monitor Puzzle | ???? | Puzzle |
| Kineko - Kinetic Connection - The Monitor Puzzle Vol. II | ???? | Puzzle |
| Kinniku Man - Kinniku Sei Oui Soudatsusen | ???? | Action |
| Knight Lore | ???? | Action |
| Knight Move | ???? | Puzzle |
| Kobayashi Hitomi no Hold Up | ???? | Arcade |
| Konamic Ice Hockey | ???? | Hockey |
| Konamic Tennis | ???? | Tennis |
| Koneko Monogatari - The Adventures of Chatran | ???? | Platform |
