Hold Start and Enter Up + Circle, Right + Square, Left + X, Down + Triangle at the character selection screen in any mode. Chizuru Kagura will be selectable to the right of Clark and Goenitz will be to the left of Athena.
Demo select mode:
Successfully complete the game team play mode under any difficulty setting without losing any matches. Save the game to unlock "Demo Select" at the options screen. This mode allows you to view the demos of any teams that were defeated.
Disable survivor mode:
Enter Start on controller two at the mode selection screen.
Hold Circle + Square + X +Triangle and Enter Select. The game will return to the main menu at anytime except while loading. Alternately, hold Start + Select.
Select winning pose:
Enter a Punch or Kick button after the last attack, before the pose sequence begins.
God's Calibur team:
Enable "Fight as Bosses" code, then select Kagura, Kyo, and Iori.
Enable "Fight as Bosses" code, then select Goenitz and any two characters (but not including Kagura).