All Working King of Fighters '96 Cheats - GameBoy

Fight as Saisyu, Rugal, or Goenitz
Press [Select]x3 at the Takara logo. A sound will confirm correct code entry. Letters and numbers will also appear at the bottom of the options screen.

Fight as Nakoruru or Mr. Karate
Press [Select](20) at the Takara logo. A sound will confirm correct code entry. Letters and numbers will also appear at the bottom of the options screen.

Fight as "Crazy" Iroi/Leona
Enable the "Fight as Nakoruru" code. Highlight Iroi/Leona and press [Start] at the player selection screen.

All hidden characters with full super meters
Press [Select](25) at the Takara logo.

COM mode
Press [B] + [A] together at the game type selection screen.

Same character in team play mode
Hold [A] + [B] and press [Select] at the Takara logo.

CPU vs. CPU
Hold [B] and press [A] at the battle select screen.

Slow motion mode
Pause game play and tap [Select].