Famicom

Juvei QuestJAP · 75 cheats

Kabushiki DoujouJAP · 2 cheats

Kaettekita! Gunjin Shougi - Nanya Sore!JAP · 1 cheats

Kagerou DensetsuJAP · 8 cheats

Kaijuu MonogatariJAP · 14 cheats

Kaiketsu Yancha MaruJAP · 8 cheats

Kaiketsu Yancha Maru 2 - Karakuri LandJAP · 9 cheats

Kaiketsu Yancha Maru 3 - Taiketsu! ZouringenJAP · 20 cheats

Kakefu-kun no Jump Tengoku - Speed JigokuJAP · 1 cheats

Kame no Ongaeshi - Urashima DensetsuJAP · 2 cheats

Kamen no Ninja - AkakageJAP · 11 cheats

Kamen no Ninja - HanamaruJAP · 7 cheats

Kamen Rider ClubJAP · 12 cheats

Kamen Rider SD - Granshocker no YabouJAP · 6 cheats

Kanshakudama Nage Kantarou no Toukaidou Gojuusan TsugiJAP · 10 cheats

Karakuri Kengou Den Musashi Lord - Karakuribito HashiruJAP · 3 cheats

KaratekaJAP · 14 cheats

KarnovJAP · 16 cheats

Kawa no Nushi TsuriJAP · 19 cheats

Kekkyoku Nankyoku DaiboukenJAP · 11 cheats

Kero Kero Keroppi no Daibouken 2 - Donuts Ike wa Oosawagi!JAP · 10 cheats

Keroppi to Keroriinu no Splash Bomb!JAP · 7 cheats

Ki no Bouken - The Quest of KiJAP · 4 cheats

Kidou Senshi Z Gundam - Hot ScrambleJAP · 5 cheats

King Kong 2 - Ikari no Megaton PunchJAP · 14 cheats

King of KingsJAP · 8 cheats

Kinnikuman - Muscle Tag MatchJAP · 9 cheats

Kiteretsu DaihyakkaJAP · 9 cheats

KlaxJAP · 7 cheats

Konami Wai Wai WorldJAP · 21 cheats

Kouryuu Densetsu Villgust GaidenJAP · 24 cheats

KoushienJAP · 1 cheats

Kujaku Ou IIJAP · 4 cheats

Kunio-kun no Nekketsu Soccer LeagueJAP · 6 cheats

Kyoro-chan LandJAP · 2 cheats

Kyouryuu Sentai ZyurangerJAP · 12 cheats

Kyuukyoku Harikiri KoushienJAP · 2 cheats

Kyuukyoku Harikiri StadiumJAP · 1 cheats

Kyuukyoku Harikiri Stadium - Heisei Gannen BanJAP · 1 cheats

Kyuukyoku Harikiri Stadium IIIJAP · 1 cheats

Kyuukyoku TigerJAP · 2 cheats

LabyrinthJAP · 4 cheats

Lagrange PointJAP · 22 cheats

Lasalle Ishii no Child's QuestJAP · 6 cheats

Last ArmageddonJAP · 11 cheats

Law of the WestJAP · 1 cheats

LaylaJAP · 17 cheats

Lode RunnerJAP · 3 cheats