Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
A Few New Tricks (20 points)	Use 5 different Quickfire gadgets in one fight as Robin in Harley Quinn's Revenge.
Battering Ram (10 points)	Shield Bash 5 different thugs.
Bomb Squad (40 points)	Defuse all bombs in 3 minutes or less.
Breaking and Entering (20 points)	Find a way into the secret base.
Frequent Flyer (10 points)	Zip Kick 5 different thugs.
How's It Hanging? (20 points)	Clean up the Dry Docks.
Lost Property (20 points)	No crimefighter should be without this.
Party's Over (50 points)	Destroy all Harley Balloons.
Snap To It (20 points)	Snap Flash an unarmed thug, an armed thug, an environmental object and a Titan.
The Last Laugh (40 points)	The joke's on who?