NES Cheats, Achievements

 Kabuki Quantum Fighter
 Karaoke Studio
 Karate Champ
 Karnov
 Keisan Game: Sansuu 4 Nen
 Kero Kero Keroppi no Daibou...
 Kickle Cubicle
 Kickmaster
 Kid Icarus
 Kid Klown in Night Mayor Wo...
 Kid Kool
 Kid Niki: Radical Ninja
 King Neptune's Adventure
 King's Knight
 King's Quest 5
 Kirby's Adventure
 Kitty's Catch
 Kiwi Crazy
 Klax
 Knight Rider
 Koufuku o Yobu Game: Dora D...
 Krazy Kreatures
 Krusty's Fun House
 Kung Fu
 Kung Fu Heroes
 Kunio-Kun no Nekketsu Socce...
 Kyatto Ninden Teyandee
 Kyonshees 2
 Kyuukyoku Harikiri Koushien...

More Cheats, Achievements...

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