Alternate Costume
At the character selection screen, press Start or Select when choosing a fighter for an alternate costime.

Extra Mode
Defeat a fighter's dare devil version in survival mode to unlock extra mode for that fighter. The fighter's extra version is able to execute new moves and supers.

Original Mode
Complete the game in survival mode to unlock the 'Original Mode' selection at the options screen.

Go to: Guilty Gear X Info Page | nGaming Home Page.