Alternate Costumes
Highlight one of the following fighters at the character selection screen, then hold Start and press X: Andy, Billy, Chris, Joe, Kyo, Mai, Robert, Ryo, Shermie, Terry, Yashiro, Yuri.
Alternate Survival Mode
Successfully complete survival mode once. Then, highlight the "Survival Mode" option, hold Start and press A to fight individual characters instead of team battles.
Special Teams
To get an special ending( or a team picture) beat the game with these teams
Hero Team: Kyo, Terry, Ryo
Flame Team: Kyo, Saishu, Chris
Dream Team 99: Kyo, Iori,Chizuru
Sidekick Team: Benimaru, Andy, Robert
Head Band Team: Goro, Joe, Yuri
Rugal Team: Rugal, Vice, Mature
Family Tree Team: Ryo. Yuri, Takuma
Female Team 99: Athena, Mai, Yuri
Dangerous Team 97: Chin Chang choi
Sports Team: Ralf, Mary, Lucky
Heidern Team: Heidern, Ralf, Leona
Head Band Team 94: Terry, Clark, Lucky
Orochi Males Team: Yamazaki, Chris, Yashiro
Orochi Female Team: Vice, Mature, Shermie
Shingo Team: Shingo, Kyo, Saishu
Father Team: Kim, Saishu, Takuma
Rapid Button Team: Joe, Chang, Billy
Heavy Hitters Team: Brian, Ralf, Chang
The Crazy Team: Robert, Choi, Sie
Birthday Party Team: Shingo, Mature
KOF 2000 Team: Kyo, Iori, Shingo
Teammate Assistance
Hold B when selecting the fighter order before a match. Note if any of the characters are neutral or friendly. If your fighter is stunned during the match, hold X + Y + A to have your teammates enter the fight.