Wait until Son Goku's hand flies toward the tower in the sky during the introduction sequence. Then, press Up, X, Down, B, L, Y, R, A. A sound will confirm correct code entry.
Dodge Special Beams
Press Up, Down, A. Only 1/4 of damage will be done by the attack.
View Real Ending
Play on a difficulty level of three or higher and fight the following matches in order:
Son Gokuu Vs. Picollo
Son Gokuu Vs. Vejeta
Son Gokuu Vs. Freeza
Piccolo Vs. Android #20
Vejeta Vs. Android #18
Piccolo Vs. Cell
Son Goku Vs. Android #16
Vejeta Vs. Trunks
Son Goku Vs. Son Gohan
Son Gohan Vs. P-Cell
The text "The End" will appear. Wait until "Final Battle" appears. Defeat Perfect Cell to view the real ending of the game.
CPU Control
Pause a Vs. mode or Tenkai-Ichi Budokai mode match and press A + B + X + Y. A sound will confirm correct code entry. Resume game play and the CPU will assume control.
Hidden Character
Hold L + R, continuously press X, A, B, Y in a clockwise direction, and sweep the D-pad in a counter-clockwise Full-Circle when Goku begins to speak. Continue the controller actions until Goku's voice is heard following a chime again. This code also allows both players to select the same character in Vs. mode.