FRANCHISES
- K-1 Fighting
- Kakutou Ryouri Densetsu Bistro Recipe
- Kamaitachi no Yoru
- Kamen Rider
- Kanji Boy
- KAO the Kangaroo
- Karateka
- Kawaii Koneko
- Kawaii Pet Shop
- Keisan Game
- Ken Griffey Jr. Baseball
- Kengo Fighting
- Kessen
- Kick Off
- Kid Icarus
- Kid Klown
- Kid Niki / Kaiketsu Yancha Maru
- Kidou Keisatsu Patlabor
- Killer Instinct
- Kim Possible
- King Kong
- King of the Monsters
- King's Bounty
- King's Quest
- Kingdom Hearts
- Kingyo Chuuihou!
- Kinnikuman / Ultimate Muscle
- Kirby
- Klonoa
- Knight Rider
- Knightmare
- Knockout Kings
- Konami Classic Collection
- Konchuu Hakase
- Koushien
- Koutetsu no Kishi
- Kujaku Ou
- Kururin
- Kyoro-chan
- Kyuukyoku Harikiri Stadium