At the title screen, press Right, Left, Down, Up, Right, Left, Down, Up, Start. Then 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 characters" 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.
Wire frame fighters
When choosing a character, hold Select to fight without texture mapping or shading.
Select two player or training mode. Then when choosing a character, press Square + X + Circle.
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.
press and hold the following at the same time L1+R1+l2+R2 but wait a few seconds before entering it and this one works unlike the other one posted here.
Sound test glitch:
this glitch only works for the Pal version only as far as I know when you are in the sound test menu press start on players two's pad to get a weird glitch up and press select on player one's pad to return to normal.
To view sound test scrolling background without the sound test screen:
Press select on player one's pad to view it and press select again to return the sound test menu.
Sound test buttons messed up:
the correct way are X=play O=stop
how to do smash metor attacks:
simply press and hold right or left (depending on what direction you are facing your opponint)and press R2 and when you have kicked your opponint press one of the combo buttons like triangle+O or triangle+square or X+triangle.