Knights of the Round (bootleg set 4 (with YM2151 + 2xMSM5205), 911127 etc) [Bootleg]

Knights of Valour 2 (V100, 100, 100, Hong Kong)

Knuckle Bash 2 (bootleg)

Ketsui Kizuna Jigoku Tachi (Revision 2?, Japan)

King of the Monsters (set 1)

Kaiser Knuckle (Ver 2.1J 1994/07/29)

Knights of Valour Plus – Sangoku Senki Plus (V119 alt)

Kaitei Daisensou (Japan)

Karate Champ (US VS version, set 1)

Kung-Fu Master (Data East)

Knuckle Bash (Korean PCB)

Knights of Valour Super Heroes Plus / Sangoku Senki Super Heroes Plus (ver. 100) [Imperfect Protection Emulation]

Kyros

Konami ’88

Kung-Fu Master (bootleg set 1) [Bootleg]

King of the Monsters 2 – The Next Thing (NGM-039)(NGH-039)

Kid Niki – Radical Ninja (US)

Karian Cross (Rev. 1.0)

Kingdom Grandprix (World)

Karate Champ (US VS version, set 2)

Karate Dou (Japan)

Konami GT

Kung-Fu Master (bootleg set 3)

Killer Instinct (SNES bootleg)