| Kabuki-Z (Japan) 918 kb |
| Kageki (Japan) 97 kb |
| Kageki (US) 612 kb |
| Kaiketsu Yanchamaru (Japan) 194 kb |
| Kaiser Knuckle (Japan) 156 kb |
| Kaiser Knuckle (World) 12.73 mb |
| Kaitei Daisensou (Japan) 289 kb |
| Kaitei Takara Sagashi 6 kb |
| Kaitei Takara Sagashi (K'K-Tokki) 7 kb |
| Kamikaze 7 kb |
| Kamikaze Cabbie 51 kb |
| Kanatsuen no Onna [BET] (Japan 880905) 320 kb |
| Kangaroo 30 kb |
| Kangaroo (Atari) 7 kb |
| Kangaroo (bootleg) 4 kb |
| Kaos 17 kb |
| Karaoke Quiz Intro Don Don! 18.82 mb |
| Karate Blazers (US) 108 kb |
| Karate Blazers (World?) 2.67 mb |
| Karate Champ (US VS version) 73 kb |
| Karate Champ (US) 109 kb |
| Karate Dou (Japan) 83 kb |
| Karate Tournament, The 1.85 mb |
| Karian Cross (Rev. 1.0) 2.12 mb |
| Karnov (Japan) 138 kb |
| Karnov (US) 361 kb |
| Karnov's Revenge / Fighter's History Dynamite 6.75 mb |
| Ken-Go 697 kb |
| Kick (cocktail) 27 kb |
| Kick (upright) 37 kb |
| Kick and Run 150 kb |
| Kick Goal 1.13 mb |
| Kick Off (Japan) 455 kb |
| Kick Rider 38 kb |
| Kick Start Wheelie King 34 kb |
| Kicker 51 kb |
| Kid Niki - Radical Ninja (US) 214 kb |
| Kid no Hore Hore Daisakusen 196 kb |
| Kid no Hore Hore Daisakusen (bootleg) 39 kb |
| Kikaioh (JAPAN 980914) 15 kb |
| KiKi KaiKai 225 kb |
| Kikiippatsu Mayumi-chan (Japan) 146 kb |
| Killer Comet 12 kb |
| Killer Instinct (proto v4.7) 340 kb |
| Killer Instinct (v1.3) 334 kb |
| Killer Instinct (v1.4) 334 kb |
| Killer Instinct (v1.5d) 4.26 mb |
| Killer Instinct 2 (v1.0) 406 kb |
| Killer Instinct 2 (v1.1) 411 kb |
| Killer Instinct 2 (v1.3) 412 kb |
| Killer Instinct 2 (v1.4) 4.33 mb |
| Killer Instinct 2 (v1.4k, upgrade kit) 412 kb |
| Killing Blade, The 19.21 mb |
| King & Balloon (Japan) 8 kb |
| King & Balloon (US) 17 kb |
| King of Boxer (English) 130 kb |
| King of Dragons, The (bootleg) 514 kb |
| King of Dragons, The (Japan 910805) 511 kb |
| King of Dragons, The (US 910910) 484 kb |
| King of Dragons, The (World 910711) 2.26 mb |
| King of Fighters '94, The 12.18 mb |
| King of Fighters '95, The (set 1) 15.41 mb |
| King of Fighters '95, The (set 2) 725 kb |
| King of Fighters '96, The (set 1) 22.48 mb |
| King of Fighters '96, The (set 2) 332 kb |
| King of Fighters '97, The (set 1) 27.42 mb |
| King of Fighters '97, The (set 2) 304 kb |
| King of Fighters '98 - The Slugfest / King of Fighters '98 - dream match never ends, The 38.57 mb |
| King of Fighters '98 - The Slugfest / King of Fighters '98 - dream match never ends, The (Korean board) 87 kb |
| King of Fighters '98 - The Slugfest / King of Fighters '98 - dream match never ends, The (not encrypted) 409 kb |
| King of Fighters '99 - Millennium Battle, The (earlier) 3.33 mb |
| King of Fighters '99 - Millennium Battle, The (not encrypted) 1.39 mb |
| King of Fighters '99 - Millennium Battle, The (prototype) 22.22 mb |
| King of Fighters '99 - Millennium Battle, The (set 1) 75.2 mb |
| King of Fighters '99 - Millennium Battle, The (set 2) 690 kb |
| King of Fighters 2000, The 77.81 mb |
| King of Fighters 2000, The (not encrypted) 1.6 mb |
| King of the Monsters (set 1) 3.82 mb |
| King of the Monsters (set 2) 166 kb |
| King of the Monsters 2 - The Next Thing 5.25 mb |
| Kingdom Grandprix (World) 11 kb |
| Kirameki Star Road (Japan) 12.83 mb |
| Kisekae Hanafuda 1.68 mb |
| Kisekae Mahjong 1.5 mb |
| Kitten Kaboodle 467 kb |
| Kizuna Encounter - Super Tag Battle / Fu'un Super Tag Battle 16 mb |
| Klax (Germany) 78 kb |
| Klax (Japan) 78 kb |
| Klax (prototype set 1) 221 kb |
| Klax (prototype set 2) 221 kb |
| Klax (set 1) 285 kb |
| Klax (set 2) 77 kb |
| Klax (set 3) 77 kb |
| Knightmare (prototype) 35 kb |
| Knights of the Round (Japan 911127) 184 kb |
| Knights of the Round (US 911127) 187 kb |
| Knights of the Round (World 911127) 2.25 mb |
| Knights of Valour / Sangoku Senki (ver. 100, Japanese Board) 1.6 mb |
| Knights of Valour / Sangoku Senki (ver. 115) 2.17 mb |
| Knights of Valour / Sangoku Senki (ver. 117) 20.06 mb |
| Knights of Valour Plus / Sangoku Senki Plus (alt ver. 119) 1.61 mb |
| Knights of Valour Plus / Sangoku Senki Plus (ver. 119) 2.18 mb |
| Knights of Valour Superheroes / Sangoku Senki Superheroes (ver. 322) 3.74 mb |
| Knock Out!! 12 kb |
| Knuckle Bash 3.22 mb |
| Knuckle Heads (Japan) 293 kb |
| Knuckle Heads (World) 4.61 mb |
| Knuckle Joe (set 1) 128 kb |
| Knuckle Joe (set 2) 12 kb |
| KO Punch 18 kb |
| Kodure Ookami (Japan) 363 kb |
| Koi Koi Shimasyo 2 - Super Real Hanafuda (Japan) 12.43 mb |
| Koi no Hotrock (Japan) 152 kb |
| Kokontouzai Eto Monogatari (Japan) 605 kb |
| Konami '88 56 kb |
| Konami GT 83 kb |
| Konami RF2 - Red Fighter 94 kb |
| Konami's Open Golf Championship (ver EAD) 11.72 mb |
| Konami's Open Golf Championship (ver EAD) 314 kb |
| konamigv 81 kb |
| konamigx 10 kb |
| Korosuke Roller 18 kb |
| Kosodate Quiz My Angel (Japan) 7.41 mb |
| Kosodate Quiz My Angel 2 (Japan) 13.32 mb |
| Kosodate Quiz My Angel 3 (KQT1/VER.A) 21.38 mb |
| Koukouyakyuh, The 93 kb |
| Koukuu Kihei Monogatari - The Legend of Air Cavalry (Japan) 45 kb |
| Koutetsu Yousai Strahl (Japan set 1) 1.42 mb |
| Koutetsu Yousai Strahl (Japan set 2) 77 kb |
| Kozmik Kroozr 46 kb |
| Kram (encrypted) 33 kb |
| Kram (set 1) 29 kb |
| Kram (set 2) 6 kb |
| Krazy Bowl 1005 kb |
| Krull 52 kb |
| Kuhga - Operation Code 'Vapor Trail' (Japan revision 3) 121 kb |
| Kung-Fu Master 92 kb |
| Kung-Fu Master (bootleg set 1) 24 kb |
| Kung-Fu Master (bootleg set 2) 24 kb |
| Kung-Fu Master (Data East) 24 kb |
| Kung-Fu Taikun 59 kb |
| Kung-Fu Taikun (alt) 61 kb |
| Kuri Kinton (Japan) 71 kb |
| Kuri Kinton (US) 71 kb |
| Kuri Kinton (World) 521 kb |
| Kuri Kinton (World, prototype?) 520 kb |
| Kusayakyuu 78 kb |
| Kyohkoh-Toppa (Japan) 67 kb |
| Kyros 289 kb |
| Kyros No Yakata (Japan) 162 kb |
| Kyukyoku no Hito [BET] (Japan 880824) 52 kb |
| Kyukyoku Sentai Dadandarn (Japan ver JAA) 363 kb |
| Kyukyoku Tiger (Japan) 44 kb |
| Kyukyoku Tiger 2 (Japan) 76 kb |
| Kyuukai Douchuuki (Japan new version) 1.56 mb |
| Kyuukai Douchuuki (Japan old version) 61 kb |
