Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
All The Way There (80 points)	Earn All Stars.
Almost Almost There (60 points)	Earn 300 Stars.
Almost There (70 points)	Earn 400 Stars.
Bouncing To Greater Heights (30 points)	Complete World 2 Tier 2.
Climbing Mastery (70 points)	Earn All Stars in World 2.
Dexterity (50 points)	Complete World 1 Tier 5.
Dodging Mastery (70 points)	Earn All Stars in World 3.
Getting Harder... (40 points)	Earn 100 Stars.
Getting Started (10 points)	Earn 10 Stars.
Hello Everything At Once (40 points)	Complete World 3 Tier 3.
Hello Missiles (20 points)	Complete World 3 Tier 1.
Hello Spinning Lasers (30 points)	Complete World 3 Tier 2.
Insanity (50 points)	Complete World 3 Tier 4.
Invincibility (50 points)	Complete World 2 Tier 4.
It's Still Easy... (30 points)	Earn 50 Stars.
Jumping Mastery (70 points)	Earn All Stars in World 1.
Jumping Through Saw Blades (40 points)	Complete World 2 Tier 3.
Lasers and Spikes (20 points)	Complete World 1 Tier 2.
Learning to Jump (10 points)	Complete World 1 Tier 1.
More Lasers and More Spikes (30 points)	Complete World 1 Tier 3.
Okay It's Tough Now (50 points)	Earn 200 Stars.
So Many Lasers and Spikes! (40 points)	Complete World 1 Tier 4.
The Floor Is Collapsing (20 points)	Complete World 2 Tier 1.
This is Easy (20 points)	Earn 25 Stars.