Effect - Code

KOF 94 video - Play more than 10 hours of game play.
KOF 95 video - Get a 30 hit combo in Practice.
KOF 96 video - Set the life recover option to quick in practice mode and completely make your dummy's health go down.
KOF 97 video - Get 200 ability points in Single play.
KOF 98 video - Get 300 ability points in Team play.
KOF 99 video - Succesfully complete the game under the expert difficulty setting