| Kirby's Dream Course | Kirby Bowl | Nintendo | 21 September 1994 | Sports | SNES | N | Y | N | Y |
| M.U.S.C.L.E. | Kinnikuman: Muscle Tag Match | Bandai | 08 November 1985 | Action > Fighting | NES | Y | N | Y | Y |
| King's Quest V: Absence Makes the Heart Go Yonder | King's Quest V | Konami | June 1992 | Adventure | NES | N | N | N | Y |
| Majuu Ou | King of Demons | KSS | 25 August 1995 | Action > Platformer | SNES | N | N | Y | N |
| King Kong 2: Ikari no Megaton Punch | King Kong Lives: Megaton Punch of Rage | Konami | 18 December 1986 | Action | NES | N | N | Y | N |
| Pocky & Rocky with Becky | KiKi KaiKai Advance | Natsume | 05 October 2001 | Action > Shooter | GBA | N | N | Y | N |
| Mobile Suit Z Gundam: Hot Scramble | Kidou Senshi Z-Gundam: Hot Scramble | Bandai | 28 August 1986 | Action > Shooter | NES | N | N | Y | N |
| Mobile Suit Gundam: Earth Federation vs. Zeon | Kidou Senshi Gundam: Renpou vs. Zeon DX | Bandai | 04 November 2002 | Action > Beat 'Em Up | DC | N | N | N | Y |
| Kaiketsu Yanchamaru 3: Taiketsu! Zouringen | Kid Niki 3 | Irem | 30 March 1993 | Action > Platformer | NES | N | N | Y | Y |
| Killer Instinct | KI | Nintendo | 30 August 1995 | Action > Fighting | SNES | N | N | N | Y |
| Keroppi to Keroriinu no Splash Bomb! | Keroppi & Keroleen's Splash Bomb! | Character Soft | 01 December 1993 | Action | NES | N | N | Y | N |
| Kero Kero Keroppi no Daibouken 2: Donuts Ike ha Oosawagi! | Kero Kero Keroppi's Great Big Adventure 2: Trouble in Donut Pond | Character Soft | 19 February 1993 | Action > Platformer | NES | N | N | Y | Y |
| Kero Kero Keroppi no Daibouken | Kero Kero Keroppi's Big Adventure | Character Soft | 29 March 1991 | Puzzle | NES | N | N | Y | N |
| Antarctic Adventure | Kekkyoku Nankyoku Daibouken | Konami | December 1983 | Racing | MSX | N | N | Y | N |
| Antarctic Adventure | Kekkyoku Nankyoku Daibouken | Konami | 22 April 1985 | Racing | NES | N | N | Y | Y |
| Telefang 2 - Power Version | Keitai Denjuu Telefang 2 - Power Version | Smilesoft | 26 April 2002 | Role Playing | GBA | N | N | Y | N |
| Klonoa 2: Dream Champ Tournament | Kaze no Klonoa 2: Dream Champ Tournament | Namco | 06 August 2002 | Action | GBA | N | N | N | Y |
| Legend of the River King GB | Kawa no Nushi Tsuri 3 | Natsume | 19 September 1997 | Role Playing | GB | N | N | N | Y |
| Skyblazer | Karuraou | Sony | January 1994 | Action > Platformer | SNES | N | N | Y | N |
| Kanshakudama Nage Kantarou no Toukaido Gojuusan Tsugi | Kantaro the Pyro's Journey Across the Toukaido | Sunsoft | 03 July 1986 | Action > Platformer | NES | N | N | Y | N |
