Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Birdie ( 15 points )	Stay under par, like the pros do.
Collector ( 20 points )	Collect all the costumes!
Competitive ( 20 points )	Rise in the ranks!
Completionist ( 25 points )	Leave no puzzle unsolved!
Cooperative ( 15 points )	Put your friends to work too!
Dexterous ( 5 points )	Demonstrate your chain skill in Action mode!
Fashionista ( 25 points )	Stay tuned to the Item Shop year-round for new couture!
Frugal ( 20 points )	Keep your stars for later. Be thrifty!
Gel-Raiser ( 10 points )	Head online, and take off the gloves!
Good Citizen ( 10 points )	In multiplayer settings, it pays to be civil.
Perfectionist ( 25 points )	You can do better than just finishing those puzzles!
Studious ( 10 points )	Study the basics.