Hold Start at the character selection screen. The pointer will move randomly across the characters. Now, press any button three times. In this mode, your players will be changed every time you face a new opponent.
Original team random select mode
Hold Start, then move the Joystick in any direction at the character selection screen. The pointer will become bigger while it moves randomly across the characters. Press any button to choose a team. In this mode, your team will be changed every time you face new opponent.
Play as Evil Kyo
Highlight Kyo Kusanagi at the character selection screen and press Up, Down, Right, Left, Down, Up, Left, Right then press A, B, C, or D. Note: This can only be done in the beta versions of the game.
Play as Orochi Leona
While playing as normal Leona at any time during the round press Up, Down, Up, Down, Up, Down + B + D. Leona will turn into Orochi form. Note: Half of Leona's life bar will disappear when you perform this code, and she will be able to do her Rebel Spark SDM (QCB, HCF + BD).
Play as Rugal
Highlight Yashiro at the character selection screen and press Left, or highlight Daimon and press Down.
Play as the Orochi Team
Highlight any King Of Fighters '98 team member (Yashiro, Shermie, or Chris) then hold Start and press A, B, C, or D.
Play by random team only
Press Start button anywhere except at the Neo face team (Yashiro, Shermie, Chris) and press Up, Down, Right, Left, Down, Up, Left , Right. The pointer will now move randomly on the teams.
Random character selection
Press Start anywhere except at the Neo face team (Yashiro, Shermie, Chris). You will be able to select random characters, previously selected by choosing the question mark.
Select victory pose
Press a Punch or Kick button immediately after your opponent is defeated.