Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Better than Platinum? ( 15 points )	Earn a Myrrh Medal on any level.
Come On. Catch Me. ( 15 points )	Earn a Gold, Silver or Bronze Medal on any level.
Couch Potato ( 10 points )	Watch a video clip in the Scrapbook.
Fightin' Round the World ( 20 points )	Throw 1,000 snowballs.
GAME COMPREET-O! ( 25 points )	Save South Park.
Look For Treasure ( 5 points )	Earn a Platinum Medal on any level.
MANBEARPIG! ( 20 points )	Beat Mountain on Insane difficulty using walls and snowballs. No towers!
Rochambeau ( 15 points )	Activate a Special Ability.
Space Cash ( 20 points )	Collect 100 coins in 10 seconds or less.
Treasure and Plunder ( 15 points )	Collect 1,000 coins.
Ungroundable ( 20 points )	Earn a Bronze Medal or better on 5 Challenge levels.
White Trasher ( 20 points )	Destroy an enemy with the junkyard crane near Kenny's House.