Unlockables
     Finish the game once to unlock several features.

Unlockable              How to Unlock
Hard Mode               Finish the game once.
Free Costume            Finish the game once.
Free Mode               Finish the game once.
Special Costume         Collect all 5 gems from the jewellry robber.
Keith Helm's Story      Leave with Stephanie on the Chopper
                        in East Junction scenario.