Unlock the following costumes by performing the corresponding tasks:

COSTUME - HOW TO UNLOCK
Experimental Jedi Costume - Complete the game with "Light Side" Ending
Saber Guard Costume - Silver Medal in Cloning Spire Trial
The Dark Apprentice's Robes - Complete the game with "Dark Side" Ending
Tie Flightsuit - Complete "Kamino The Escape"

Complete the game to unlock the Unleashed difficulty.

Activate the following cheats by entering the corresponding codes:

To unlock all costumes, go to "Main Menu" > "Story Mode" > "Costumes Menu". While holding Z, press LEFT, RIGHT, C, LEFT, RIGHT, C, UP, DOWN.

Unlock the following cheat options by performing the corresponding tasks:

CHEAT OPTION - HOW TO UNLOCK
Overwhelming Damage - Upgrade all Force powers to maximum level. This option allows one hit kills.
Invulnerability - Collect all of the Holocrons.
Unlimited Force - Upgrade all Force powers to the maximum level.
Insane - Complete the game under the Unleashed difficulty. This option allows your enemies to have one hit kills.

-Complete the game to have Darth Vader's and Juno Eclipse's portraits appear at the title screen.
-Complete the game under the Unleashed difficulty setting to have Darth Vader's and Yoda's portraits appear at the title screen.