Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock
Ace (30 points)	Beat a boss without taking damage.
Annoying Customer (10 points)	Annoy the Crow at least three times during the same trip to the shop.
Another Little Piece of my Heart (20 points)	Trade in all your HP at heart machine.
Berserker (50 points)	Reach a max. HP of 15.
Best Friend (20 points)	Revive a player in co-op.
Collector (70 points)	Collect every single weapon.
Crux of the Matter (40 points)	Kill Crux.
Death from Beyond the Grave (10 points)	Get killed by a ghost.
Deceptive Mind (50 points)	Pick up at least 25 artifacts before looping.
Déjà vu (80 points)	Loop once.
Enormous Maggot (50 points)	Kill Larva.
Explorer (20 points)	Find a secret level.
Hard Shell (80 points)	Complete the game with the Egg.
Hunter (30 points)	Kill every enemy at least once.
Indy, is That You? (10 points)	Open a chest.
Level 10 Greed (70 points)	Collect enough artifacts to reach a risk value of 10.
Little Friend (60 points)	Kill Evil Teal.
Loop the Loop (100 points)	Loop twice.
Mud Monster (40 points)	Kill Muck.
Red Blob (30 points)	Kill Bogy.
Shopping Spree (30 points)	Buy three weapons during the same trip to the shop.
Slimy Salamander (20 points)	Kill Newt.
The Right Way is the Hard Way (60 points)	Beat the game without collecting any artifacts.
Thief (10 points)	Steal a weapon.
This is Not an Arcade (10 points)	Use a coin machine at least once.