Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
Into the bushes III	Reach level 15.	100
Into the bushes II	Reach level 12.	100
Into the bushes I	Reach level 9.	100
It's cold out there III	Reach level 22.	100
It's cold out there II	Reach level 20.	100
It's cold out there I	Reach level 17.	100
Jumping between skyscrapers III	Reach the spell book.	100
Jumping between skyscrapers II	Reach level 28.	100
Jumping between skyscrapers I	Reach level 25.	100
Rocky highway II	Reach level 6.	50
Rocky highway I	Reach level 3.	50