Soul Calibur 2 cheats and cheat codes for Gamecube

Control Load Screen 
Press any button, the characters will talk

Unlockable modes:
Complete the following modes with any character to unlock more modes:

Extra arcade mode: Finish arcade mode
Extra versus mode: Finish extra arcade mode
Extra practice mode: Finish weapon master mode
Extra vs. team battle mode: Finish extra team battle mode
Extra vs.team battle mode: Finish extra team battle mode.
Extra survival mode: Finish survival mode with at least 10 wins

Arcade version opening:
Play with the game four times in extra time attack mode in extreme mode

Home version opening:
Play with the game four times in extra survival mode with the no recovery
setting

Soul Calibur weapons:
Complete all of sub-chapter 4, Mt. Procyon, to unlock extra chapter 2. 
You will now be able to purchase all Soul Calibur weapons, ending arcade 
version costumes for Taki, Talim, Voldo, Cassandra, Seung Mina and Sophitia. 

Demo theater and character profiles 
Finish arcade and extra arcade mode with any character.

Change costumes:
Highlight a fighter at the character selection screen and press Guard.

Different introduction screen:
Finish all Weapon Master missions. 

Unlock all "Extra" modes to unlock the third start screen. 
Spawn's voice will also say "Soul Calibur 2".

Unlock every mode, weapon, and character to heae Sophitia say 
"Soul Calibur 2" at the "Press Start" screen.


Unloc character profiles:
Finish arcade mode with that person.

Unlock New Arenas 
Complete the the following challenges in Weapon Master Mode:
Lakeside Coliseum: Beat Stage 3 of Chapter 1 
Money Pit: Beat Stage 1 of Chapter 4 
Labyrinth: Beat Stage 6 of Chapter 6 
Hwangseo Palace/Phoenix Court: Beat Stage 2 of Chapter 7 
Egyptian Crypt: Beat Stage 5 of Chapter 8  

Unlock Home Version Opening Movie 
Play Extra Survival Mode and beat it, or lose 5 times. 

Easy money
After finish chapter 1, go back to the training area (the 1st mission) 
and complete training again. Repeat as many times you want. 
You will receive  300-500 exp points and gold every time.

Cassandra 5 hit combo:
Press Down + Right + Triangle will send your opponent into the air.
Once they fall down press Square, Square, after press Triangle, Triangle.

Nightmare Easy combo:
Press Forward, Forward, and then press Triangle (vertical). 


Unlock Weapons/Items 
Complete the following stages and chapters in Weapon Master Mode 
to unlock weapons and items:

Astaroth-Soul Edge: Finish Stage 3 of Extra Chapter 1 
Cassandra-Soul Edge: Finish Stage 4 of Subchapter 2 
Cassandra-Soul Edge: Finish Stage 5 of Subchapter 4 
Cervantes-Imitation Sword: Finish Stage 5 of Subchapter 4 
Cervantes-Acheron: Finish Stage 5 of Chapter 3 
Ivy-Prototype Ivy Blade: Finish Stage 2 of Extra Chapter 2
Kilik-Bamboo Staff: Finish Stage 2 of Extra Chapter 1 
Maxi-Fuzoroi: Finish Stage 5 of Chapter 3 
Maxi-Termite Snack: Finish Stage 3 of Subchapter 4 
Mitsurugi-Soul Edge: Finish Stage 5 of Subchapter 4 
Mitsurugi-Souvenir Gift: Finish Stage 3 of Subchapter 3 
Necrid-Ethereal Edge: Finish Stage 5 of Chapter 8 
Necrid-Soul Edge: Finish Stage 3 of Extra Chapter 2 
Nightmare-Galley Oar: Finish Stage 3 of Extra Chapter 1 
Nightmare-Soul Edge: Finish Stage 3 of Chapter 7 
Raphael-Schweizer: Finish Stage 4 of Chapter 3 
Seung Mina-Ambassador: Finish Stage 2 of Chapter 10 
Seung Mina-Halberd: Finish Stage 6 of Chapter 6 
Sophitia-Memento: Finish Stage 3 of Extra Chapter 2  
Sophitia-Synval: Finish Stage 2 of Chapter 10 
Taki-Soul Edge: Finish Stage 3 of Subchapter 2 
Talim-Double Crescent Blade: Finish Stage 2 of Chapter 3 
Voldo-Soul Edge: Finish Stage 2 of Subchapter 2 
Xianghua-Soul Calibur: Finish Stage 2 of Chapter 5 
Xianghua-Soul Edge: Finish Stage 1 of Subchapter 2