Fight as Evil Blood Riot Team:
Hold Start and select the normal version of the team.

Fight as Omega Rugal:
Hold Start and select Rugal at the character selection screen.

Fight as alternate characters:
Hold Start and select Terry, Andy, Joe, Mai, or Billy at the character selection screen.

King Of Fighters '95 characters:
Hold Start and select Ryo, Robert, Yuri, or Kyo at the character selection screen.

Call for help:
Quickly press A + B + C if your fighter is held to have an undefeated teammate enter the match.

Select winning pose:
Press A, B, or C after the last attack, before the pose sequence begins. If your character is the losing fighter, press A, B, or C on controller two at this time.

Expert survivor mode:
Highlight the "Survivor Mode" option then press A + C to play a more difficult version.