Hidden fighters
At the title screen, press Right, Left, Down, Up, Right, Left, Down, Up, Start. The following fighters will appear at the Build mode character selection screen: Super Saiyajin Trunks, Super Saiyajin Seinen Trunks, Super Saiyajin Son Gokuh, (Z), Super Saiyajin Son Gokuh (GT), Super Saiyajin Chibi Son Gokuh (GT), and Super Saiyajin Vegetto.

Play as Super Saiyanjin 4 Son Gokou
Enable the "Bonus fighters" code, then at the title screen, press Triangle(10), Square(9). If you entered the code correctly, you will hear a sound.
Note: For the Japanese version of the game, press Triangle(5), X(9) at the title screen.

Play as Gotenks
Beat the game nine times using Trunks on the hardest difficulty level without using any continues.
Note: The game may be saved and resumed at any time during this process. Save the game after the ninth completion. Highlight Trunks on the character selection screen and press Select(9). Gotenks will appear in place of Trunks. Save the game to avoid repeating the code.

Wire frame fighters
When choosing a character, hold Select to fight without texture mapping or shading.

Alternate costumes
Select two player or training mode. Then when choosing a character, press Square + X + Circle.

Sound test
At the title screen, press L1, L2, R1, R2, Start. Then, press Select after choosing a song to view the lyrics and additional song information.