Virtua Fighter 3tb cheats and cheat codes for Dreamcast

Unlock Silver Dural
At the fighter selection screen, press Start + A + X 

Unlock Gold Dural
At the fighter selection screen, press Press Start + A + Y

Dural without skin:
Finish the game with Kage in hard mode.

Fight against Alphabet character:
Go to the fighter selection screen, Highlight Akira, and press Start.
Highlight Lau and hit Start, then highlight Pai hold Start and push X..

Play as Alphabet character:
Highlight Akira on the fighter selection screen and press Start.
Highlight Lion and hit Start, then highlight Pai and hit A.

Slow-motion replay:
Before the instant replay starts, press B.

Change costumes:
Hold Start while selecting a fighter to see their alternate skin.

Alternate Stage Backgrounds:
Hold Start + B while you are in the stage selection menu

New arcade backgrounds:
Choose any mode (normal, team battle or training). 
Then, let the timer to reach 0 on the stage selection screen.

New Training Mode Backgrounds:
Enter to training mode, go to the stage selection menu, 
then hold Start and push A 

Full pause screen                                                 
Press X + Y, while paused the gameplay.

Play as Dural in any mode
Hit Down, Up, Right, Left, Start at the fighter selection screen.