Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
1st Down	Destroy a portal in a forest.	15
2nd Down	Destroy another portal.	15
3rd Down	Destroy a portal on the streets.	30
88 mph	Get something back from the past.	30
An Excellent Adventure	Complete Episode IV.	30
BMX Model 3003	Uncredited professional BMX rider making it rain coins.	30
Calling Dr. Martha Lesh	Complete Episode II.	30
Captain N	Complete the game on Cursed.	75
Chief Technician	Recruit someone handy.	30
Clumsy	Lose the Crown, and take it back.	30
Confidence is an Illusion	Find the missing trophy.	15
County Connection	Wait for the bus.	30
Don't Smell the Flowers	Complete the game in 50 days or less.	75
Falken's Maze	Recruit someone smart.	30
George Burnett Had Twins	Complete a level with only two workers.	30
Hail Mary	Enter a cave.	15
I Miss Hill Valley	Complete Episode III.	30
It Still Counts	Destroy a portal on Peaceful.	10
It's Not a Wishing Well	Lose 80 coins to the waters.	45
Letterman	Recruit someone athletic.	30
Loner	Complete a level with no more than 20 kids.	45
Muscle Machine	Slap a monster truck.	30
My Little Horsey!	Rainy day at Paradise Estate with Rainbows in tow.	30
No Camp Pinewood!	Complete Episode I.	30
REALLY REALLY Personal	Get eaten by a shark.	30
Rover-Rooby-Roo!	Recruit someone friendly.	30
Saw Boss	Clear all the trees on any level.	30
Stubborn	Survive for 50 days in one level.	45
The Force of Freedom	Defeat 10 greed with a machine gun.	30
Touchdown	Destroy a portal around the mall.	30
Wizard	Complete the game on Hard.	45