| Game Name | System |
|---|
| Knights of Valour Super Heroes Plus / Sangoku Senki Super Heroes Plus (ver. 100) | MAME |
| Knights of Valour Super Heroes Plus / Sangoku Senki Super Heroes Plus (ver. 101) | MAME |
| Knights of Valour: Aoshi Sanguo / Sangoku Senki: Aoshi Sanguo (ver. 202CN) | MAME |
| Knights of Valour: Luan Shi Jie Ba / Sangoku Senki: Luan Shi Jie Ba (ver. 200CN, set 1) | MAME |
| Knights of Valour: Luan Shi Jie Ba / Sangoku Senki: Luan Shi Jie Ba (ver. 200CN, set 2) | MAME |
| Knights of Valour: Luan Shi Quan Huang / Sangoku Senki: Luan Shi Quan Huang (ver. 200CN) | MAME |
| Knights of Valour: Luan Shi Quan Huang 2 / Sangoku Senki: Luan Shi Quan Huang 2 (ver. 200CN) | MAME |
| Knights of Valour: Quan Huang San Guo Special / Sangoku Senki: Quan Huang San Guo Special (ver. 303CN) | MAME |
| Knights of Valour: SanGuo QunYingZhuan / Sangoku Senki: SanGuo QunYingZhuan (bootleg, set 1) | MAME |
| Knights of Valour: SanGuo QunYingZhuan / Sangoku Senki: SanGuo QunYingZhuan (bootleg, set 2) | MAME |
| Knights of Valour: SanGuo QunYingZhuan / Sangoku Senki: SanGuo QunYingZhuan (bootleg, set 3) | MAME |
| Knights of Valour: Yi Tong Zhong Yuan / Sangoku Senki: Yi Tong Zhong Yuan (ver. 201, China) | MAME |
| Knights of the Round (Japan 911127, B-Board 89625B-1) | MAME |
| Knights of the Round (Japan 911127, B-Board 91634B-2) | MAME |
| Knights of the Round (USA 911127) | MAME |
| Knights of the Round (World 911127) | MAME |
| Knights of the Round (bootleg) | MAME |
| Knock Out (PR2057, PKOT) (Mazooma) (Scorpion 4) (set 1) | MAME |
| Knock Out (PR2057, PKOT) (Mazooma) (Scorpion 4) (set 2) | MAME |
| Knock Out!! (bootleg, set 1) | MAME |
| Knock Out!! (bootleg, set 2) | MAME |
| Knock Out!! (bootleg, set 3) | MAME |
| Knock-Em Out Boxing | MAME |
| Knockout (PR7061, KOUT) (Mazooma) (Scorpion 4) (set 1) | MAME |
| Knockout (PR7061, KOUT) (Mazooma) (Scorpion 4) (set 2) | MAME |
| Knockout Punch Club (Global) (EPOCH) (set 1) | MAME |
| Knockout Punch Club (Global) (EPOCH) (set 2) | MAME |
| Knockout Punch Club (Global) (EPOCH) (set 3) | MAME |
| Knuckle Bash | MAME |
| Knuckle Bash (Korean PCB) | MAME |
| Knuckle Bash 2 (bootleg) | MAME |
| Knuckle Heads (Japan) | MAME |
| Knuckle Heads (Japan, Prototype?) | MAME |
| Knuckle Heads (World) | MAME |
| Knuckle Joe (set 1) | MAME |
| Knuckle Joe (set 2) | MAME |
| Koala Mint (30001011, NSW/ACT) | MAME |
| Koala Mint (CHG1573, US) | MAME |
| Kohinoor (10136711, NSW/ACT) | MAME |
| Koi Koi Part 2 | MAME |
| Koi Koi Shimasho | MAME |
| Koi Koi Shimasho 2 - Super Real Hanafuda (Japan) | MAME |
| Koi no Hotrock (Japan) | MAME |
| Kokontouzai Eto Monogatari (Japan) | MAME |
| Kokoroji 2 | MAME |
| Kollon (V2.04JA 2003/11/01 12:00) | MAME |
| Kollon (V2.04JC 2003/11/01 12:00) | MAME |
| Kompanion 1 | MAME |
| Konami '88 | MAME |
| Konami 80's AC Special (GC826 VER. AAA) | MAME |
| Konami 80's AC Special (GC826 VER. EAA) | MAME |
| Konami 80's AC Special (GC826 VER. KAA) | MAME |
| Konami 80's AC Special (GC826 VER. UAA) | MAME |
| Konami 80's Gallery (GC826 VER. JAA) | MAME |
| Konami GT | MAME |
| Konami Pyson BIOS | MAME |
| Konami RF2 - Red Fighter | MAME |
| Konami Test Board (GX800, Japan) | MAME |
| Konami Viper BIOS | MAME |
| Konami's Open Golf Championship (ver EAD) | MAME |
| Konami's Open Golf Championship (ver EAE) | MAME |
| Konami's Ping-Pong | MAME |
| Konek-Gorbunok | MAME |
| Konin | MAME |
| Konkyuu no Hoshi | MAME |
| Kono Tako (10021 Ver.A) | MAME |
| Kooka Bucks (0100677V, NSW/ACT) | MAME |
| Korma Chameleon (Empire) (MPU5) (set 1) | MAME |
| Korma Chameleon (Empire) (MPU5) (set 2) | MAME |
| Korma Chameleon Club (Empire) (MPU5) | MAME |
| Koro Koro Quest (Japan) | MAME |
| Korosuke Roller (Japan) | MAME |
| Kosmo Killer | MAME |
| Kosodate Quiz My Angel (Japan) | MAME |
| Kosodate Quiz My Angel 2 (Japan) | MAME |
| Kosodate Quiz My Angel 3 (Japan, KQT1/VER.A) | MAME |
| Kot-Rybolov | MAME |
| Kotoba no Puzzle Mojipittan (Japan, KPM1 Ver.A) | MAME |
| Koukuu Kihei Monogatari - The Legend of Air Cavalry (Japan) | MAME |
| Koutetsu Yousai Strahl (Japan set 1) | MAME |
| Koutetsu Yousai Strahl (Japan set 2) | MAME |
| Kozmik Kroozr | MAME |
| Kozure Ookami (Japan) | MAME |
| Kram (encrypted) | MAME |
| Kram (set 1) | MAME |
| Kram (set 2) | MAME |
| Kramer MC | MAME |
| Krazy Bowl | MAME |
| Krista-2 | MAME |
| Kristall-2 | MAME |
| Kron K-180 | MAME |
| Krull | MAME |
| Krull (Pinball) | MAME |
| Krypton Factor (Maygay M2) | MAME |
| Kuai Le Xi You Ji | MAME |
| Kuhga - Operation Code 'Vapor Trail' (Japan revision 3) | MAME |
| Kung Fu (Ace) (IMPACT) (set 1) | MAME |
| Kung Fu (Ace) (IMPACT) (set 2) | MAME |
| Kung Fu (Ace) (IMPACT) (set 3) | MAME |
| Kung Fu (Ace) (IMPACT) (set 4) | MAME |
