Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
2 Edge 4 Me	Defeat Night Stalker.	10
A MODel Agent	Discover every PDA module.	25
Alright, you can drool	Assemble both legendary weapons.	25
Arc Reactor	Hit a portable generator ten times with a Vortex Chakram.	10
Arc of the Combust-enant	Kill five enemies with one grenade.	25
Avenged Agent Buzz!	Defeat Gobbler.	10
Blue bolts gives you WINGS!	Gain all Energy Cells.	25
Bushwack-o	Speak with the talking bush in the Prologue.	10
Ded Birb	Defeat Icarus.	10
Did you have a B.L.A.S.T.?	Win every achievement.	45
Dossier Dominator	Find all of the island's discoverables.	25
Feed Me, Jefferson	Defeat the Warden of Thorns.	10
Field Ops 101	Activate a PDA module.	10
Henchman Heist	Open all Legion Vaults.	25
I bet your feet hurt	Explore 100% of the island's locations.	45
I'm here to PUMP you up!	Gain all Health Cells.	25
Impromptu Firework Show	Destroy the Laser Cannon and rendezvous with Ohara.	10
iSleep	Disable Preos.	25
It belongs in a museum!	Bring the Sacred Ocarina back to Urku.	25
Juggernog'd	Upgrade Healing Flask three times.	25
Kicking and Screaming	Defeat Dr. Cread.	25
Legendoughry	Bring the Prefect Donut back to Jacque.	45
Life's a Breach	Escape Cread's Containment Cells and rendezvous with Ohara.	10
Lithium Lad	Assemble six PDA Baterries.	25
Looks like Cread's B.L.A.S.T.ing off again!	Defeat Dr. Cread and finish the game.	25
Lost and the Jam'd	Survive your first encounter with local wildlife.	10
Major Victory	Defeat Joe Brothers.	10
Master Chief's worst nightmare	Use Shura's hook to pull enemy shield's twenty times.	10
Master of Disguise	Acquire all Heroes skins.	25
Meet Cute	Defeat Strange Ninja Lady.	10
Mementos	Return all four helmets to the Henchmaniac.	25
Minor Victory	Defeat Little Joe.	10
Mission Impossible	Bring intel back to Jacque.	25
Mutant Mutt	Defeat the Abomination.	10
No-verseer	Defeat the Overseer.	10
Not a Plumber	Stomp the mob in the first area of the island.	10
Phasers set to...	Kill five enemies with one Shura laser.	25
Posi-done	Disable the Atlantean Core.	10
Rico-slay	Kill five enemies with a single Vortex Chakram.	25
Rock'em, Sock'em	Overcome CHM-7 Siegebot.	10
Roughin' It	Construct a village upgrade.	10
Shadow of the Kick-Assus	Defeat the Lost Guardian.	10
Sidearm Shuffle	Acquire a Support weapon.	10
Step Countin' Superspy	Explore 50% of the island's locations.	25
Stop drooling	Assemble a legendary weapon.	25
Thatch Master	Construct every village upgrade.	25
The Ol' Razzle-Dazzle	Annihilate three enemies with one Galahad strike.	25
Tomb Raider	Discover a secret!	10
Vartaxa-wut?	Meet the Holy Sentinel and rendezvous with Ohara.	10
Wakey-Wakey	Defeat all three Stone Guardians.	25
Welcome...to Jefferssic Park	Activate every fast-travel motorcycle stop.	25
Where do you keep them all?	Acquire all weapons.	25