Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
All of the Lights	Turn the spotlight off at the Lighthouse.	30
Animal Lover	Give Martian some pats on the head.	15
Arms of Steel	Block an enemy attack with your arms.	15
Can't touch this	Dodge an enemy attack.	30
Cave Dweller	Find the secret cave room.	30
Crafty	Craft your first item.	30
Doctor's Visit	Get caught by the Doctor.	30
Door to Door	Ring the Doorbell at every house on the back trails.	30
Errand Boy	Deliver Peter's mail to him.	15
Faulty Hardware	Break your first melee weapon.	30
Fearless	Complete the game in under three hours.	90
Finish Him!	Perform your first finisher.	15
Got A Nice Spread	Kill an enemy with the shotgun.	15
Grave Digger	Find the shotgun ammo inside a grave.	15
Head in the Clouds	Decapitate your first enemy.	15
In the Dumps	Enter the sewers.	15
Invincible	Complete the game without dying.	90
Karate Master	Ragdoll an enemy with a front kick.	30
Litterbug	Discard items from your inventory for the first time.	15
Monster Hunter	Kill a Bloater without taking damage.	90
Paid by the Hour	Complete the game after 8 hours.	15
Prison Break	Escape the detention center.	30
Reading Sucks	Listen to 5 Audio Logs.	15
Scholar	Read 10 notes.	15
Smells Like Home	Find your way inside Clover Hill.	15
Spider King	Kill 10 spiders.	90
Spirits Aren't Real	Use the Ouija board in the attic.	90
Tap Dancer	Kill an enemy with a stomp.	30
The Missing Texans	Place your old case files on the board.	15
The Private Investigator	Closely inspect a point of interest to find an item.	15
Unwanted Gift	Watch the strange VHS Tape.	10
We Need a Plumber	Turn on a dirty faucet.	15