Unlock Xbox Live Gamerscore points, by completing the following Achievements.

Achievement	How to unlock
Chain Reactor ( 20 points )	Create a Chain Combo of at least 100 Diamonds in Arcade Mode.
Cogito ergo sum ( 20 points )	Clear all Caves of Puzzle Mode.
Double KO ( 15 points )	Crush 2 Monsters using a single Boulder in any Cave in Arcade Mode.
Great Escape ( 25 points )	Clear all Caves of Arcade Mode.
Lazy Guy ( 15 points )	Take a break in Cave 25 of Arcade Mode.
Millionaire ( 15 points )	Collect a total of 10.000 Diamonds in Arcade Mode.
Mr. Shiny ( 15 points )	Remove 1.000 tiles of Dirt in Arcade Mode!
Prison Warden ( 15 points )	Entrap all Amoebas in any 5 caves of the Arcade Mode.
Retro Guy ( 20 points )	Clear all Caves of Retro Mode.
Rock Slide ( 10 points )	Crush 10 Monsters in Arcade Mode.
Verminator ( 20 points )	Crush 100 Monsters in Arcade Mode.
You are surrounded ( 10 points )	Entrap all Amoebas in any Arcade Mode cave.