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

Achievement	How to unlock
All in the Wrist ( 15 points )	Defeated 10 enemies with Blade Whip.
Around the World ( 15 points )	Defeated 20 enemies with Mace Storm.
Beware My Power! ( 20 points )	Used Ring Surge 10 times.
Big Beat Down ( 15 points )	Defeated 20 enemies with Mech Suit.
Big Spender ( 100 points )	Purchased all upgrades.
Biot ( 10 points )	Cleared mission 7.
Blunt Justice ( 15 points )	Defeated 10 enemies with War Hammer.
Central Battery ( 10 points )	Cleared mission 3.
Complete Control ( 25 points )	Purchased all Ring Power upgrades.
Corruption ( 10 points )	Cleared mission 6.
Demolitionist ( 15 points )	Defeated 10 enemies with Hover Mines.
Distress Call ( 10 points )	Cleared mission 4.
Diversion ( 10 points )	Cleared mission 2.
Emerald Knight ( 100 points )	Cleared all missions on Emerald Knight difficulty.
Emerald Warrior ( 50 points )	Completed the game on poozer or enforcer difficulty.
Fan Favorite ( 15 points )	Defeated 10 enemies with Rocket Punch.
Favorite Pastime ( 15 points )	Defeated 10 enemies with Baseball Bat.
Full Burn ( 25 points )	Purchased all Ring Surge upgrades.
Get Dizzy Y'all! ( 20 points )	Made Green Lantern dizzy 10 times.
Hal Knows Jets ( 15 points )	Defeated 20 enemies with Jet Fighter.
Hot Pursuit ( 10 points )	Cleared mission 8.
Invasion ( 10 points )	Cleared mission 1.
Just Getting Started ( 10 points )	Performed a 20 hit combo.
Lights Out ( 15 points )	Defeated 10 enemies with Piston Blitz.
Locked and Loaded ( 15 points )	Defeated 10 enemies with Gatling Gun.
Master Blaster ( 15 points )	Defeated 10 enemies with Ring Blaster.
Might Makes Right ( 25 points )	Purchased all Attack upgrades.
Mogo is Proud ( 40 points )	Collected all 9 Green Meteorites.
Not a Poozer ( 80 points )	Gained experience level 10.
On a Roll ( 30 points )	Performed a 50 hit combo.
Possession ( 10 points )	Cleared mission 5.
Rank Up ( 30 points )	Gained experience level 5.
Return to Oa ( 10 points )	Cleared mission 10.
Shut Your Mouth ( 60 points )	Performed a 99 hit combo.
Synergy ( 20 points )	Cleared a mission in Co-op.
Targets Acquired ( 15 points )	Defeated 20 enemies with Missile Pack.
There is Hope ( 40 points )	Collected all 5 Blue Meteorites.
Ultimate Weapon ( 10 points )	Cleared mission 9.
What Goes Up... ( 20 points )	Launched 20 enemies.
Willpower ( 25 points )	Purchased all Construct upgrades.