Dragonball GT Final Bout

Play as Gogeta (A mixture of both Vegeta and Gokuh):
To play as Gogeta you must beat the game on hard 20 times. After that, Gogeta will be on the character select screen..

Play in Super Bebi's level:
First beat the game with Gokou then after the credits, at the title screen press triangle 5 times and X 9 times then you should get Gokou 4. After that go to 2p mode and pick Gokou 4 as 2p and pick whoever you want as 1 player

Play as SS Gotenks:
Beat the game on hard 9 times with Regular TRUNKS. Without dying and then after you've done that,go to Trunks and push the SELECT button 9 times

Play as Goku 4:
At the title screen (with Goku on the right and the instructions for entering the sound test mode) press Right, Left, Down, Up, Right, Left, Down, Up. You should hear a tone. Next, press Triangle FIVE times, then press X 9 times. If done correctly another tone will sound and the menu screen will now have a cool picture of Super Saiyajin Level 4 Goku.

Self-Destruct:
While playing as Vegeta or Majin Boo, press forward, back, down, up and the fireball button (default is triangle) to perform a self-destruct. This does massive damage to your opponent if it connects and takes away about half of your Ki power.

Extra Fighters:
At the title screen press Right, Left, Down, Up, Right, Left, Down, Up, Start. You will now have several new characters on the Build Mode Character Select Screen

Be Super Saiyanjin 4 Son Goku:
After doing the 'Extra Fighters' code above go to the title screen and press Triangle (10 times), Square (9 times). In the Japanese version press Triangle (5 times), X (9 times)

Using secret powers:
When playing as Gokuh (Normal DBGT), Vegeta (SSJ), Majin Boo and Gogeta or Vegetto, quickly press Forward, Back, Down, Up, Triangle (which releases the powers) during a match.

Power Struggle:
When your opponent does the fireball press triangle , circle, and square repeatedly fast. then right in the middle of your opponent's fireball you will do the fireball back and as you are doing the fireball, press square alot of times and you will hit your opponent or he will still hit you if you do not press fast enough.

Goku's Spirit Bomb:
While playing as the regular Goku only press the following buttons press forward, back, down, up and the fireball button (default is triangle).

Play as Ubuu:
First, put the skill level on hard. Get Super Saiya-Jin Goku Level 4 and the rest of the hidden characters. This includes Gotenks. Note -- You cannot lose a match and you need near perfect when getting all the hidden characters. Once done, beat the game on hard 7 times with Majin Buu a.k.a. Original Buu. You need a near perfect doing this and no losses. After that's done, beat the game 15 times on hard with Pan. You also need a near perfect and no losses here too. Beat the game 6 more times with Chibi Goku with a near perfect and no losses. 8 more times with SSJ to the 4th power Goku. You also need no losses and near perfect every match here too. Finally beat the game 3 times on easy with Majin Buu. On the third time you need to continue 4 times by losing to your first round opponent. And get a perfect on every one after that.
Except for when you fight Super Baby. You need to half your life bar at 1/4 the way, and finish Super Baby with a strong 'Ki Attack' (or in other words ---- a strong knockout ki blast.' i.e. Goku's "Chou Kamehameha," but for Buu! After that, go to the character selection screen and highlight Majin Buu. When you do that, press the select button 15 times and Ubuu will appear.

3D dodging:
When an enemy uses a large attack at close range just hold R1 and press down, doesn't matter what side you are on you will quickly move to the Right and Completly dodge the attack, and this also leaves the
Oppenent open.

Play as SS4 Goku:
At the title screen, press Triangle 5 times and Square 9 times.

Move:
To do Metro Push Over and R2 at the same time as your opponent is flying back, push Triangle and X at the same time. You can only us this move in the air.

Bonus Fighters:
At the title screen, press Right, Left, Down, Up, Right, Left, Down, Up. You should hear a sound to confirm the code. Now start the game and you should have six more fighters.

Wire Frame:
For wireframe characters, hold SELECT while choosing a fighter

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

Sound test:
Press L1, L2, R1, R2, Start at the title screen. Press Select after choosing a song to view the lyrics and additional song information

Be Super Bebi:
At the character select screen press Select, Square

Unlimited power/health:
At title screen, press Triangle, X, Triangle, X, Triangle, Triangle, Square, Square. You will hear a tone confirming that you did it right