Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
A New King is Crowned (25 points)	Unlock access to World 7 in campaign mode.
Aspiring Hero (5 points)	Unlock access to World 3 in campaign mode.
Diamond necklace (15 points)	Get 5 diamond helmets in campaign mode.
Hero on the Rise (10 points)	Unlock access to World 5 in campaign mode.
Mini copper (30 points)	Get all copper helmets in campaign mode.
Simply Rotastic (5 points)	Do the Rotastic trick.
The Butcher (20 points)	Kill 10 enemies in a row without losing a life during a multiplayer game.
The Hero's Debut (5 points)	Complete 5 levels in campaign mode.
The Jeweler (10 points)	Collect 5,000 jewels.
The Ninja (10 points)	Kill 3 enemies in 4 seconds in a multiplayer game.
The Socialite (15 points)	Play 20 multiplayer games.
This is No Lifestic! (50 points)	Get all gold helmets in campaign mode.