Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Alien! ( 5 points )	Achieve and maintain the maximum level of alert for 3 minutes outside of a mission.
Billboard Breaker ( 50 points )	Jump through all the billboards in the game.
Born to Park ( 15 points )	Complete level 10 in the task "Parking Boy".
Breaking News! ( 15 points )	Complete level 10 in the task "Glipforg News Paperboy".
Car Collector ( 100 points )	Unlock all vehicles ( excluding vehicles unlocked at the police station).
Car Crusher ( 50 points )	Complete level 10 in the tasks "Car Crusher", "Battle in the Stadium" and "Desert Battle".
Careful Driver ( 15 points )	Drive a car for 3 minutes without collisions.
Careful Fighter ( 5 points )	Complete any car crusher mission without taking any damage.
Careful Parking Boy ( 5 points )	Complete the "Parking Valet" mission without damaging any cars.
Circus Cleaner ( 15 points )	Complete level 10 in the task "World's cleanest circus".
Comic Fan ( 100 points )	Find all the comic frames scattered around Planet 51.
Curious Boy ( 30 points )	Enter every open house and building in the game.
Desert ( 50 points )	Complete all the Desert missions.
Experienced Delivery Boy ( 5 points )	Don't lose any boxes in the "A Job of Little Importance" mission.
Fast Rock Gatherer ( 5 points )	Pick up all the special rocks in the mission "Singing in the Rocks" before any go down the drain.
Flying Car ( 15 points )	Perform a jump of 150 ft or more.
Fugitive ( 5 points )	Elude the law enforcers 3 times in a row in the same vehicle outside of a mission.
Glipforg Deliveries ( 15 points )	Complete level 10 in the task "Glipforg Deliveries".
Glipforg Taxi Driver ( 15 points )	Complete level 10 in the task "Taxi!".
I've Got Antennas! ( 100 points )	Complete all the game missions, including all tasks.
Lawnmower Master ( 15 points )	Complete level 10 in the task "Lawnmower Boy".
Perfect Gardener ( 5 points )	Complete "Neera's Garden" without cutting any flowers, touching the mole, or getting hit by water.
Perfect Timing ( 5 points )	Finish any of Chuck's missions on foot without failing any obstacle nor taking any damage from traps.
Pro Cyclist ( 10 points )	Travel 12 miles by bicycle.
Pro Driver ( 10 points )	Travel 300 miles by car.
Reckless Driver ( 5 points )	Destroy 30 pieces of property in 60 seconds.
Skilled Driver ( 5 points )	Complete the "King Klong" mission without damaging the pickup.
Slippery ( 40 points )	Escape 40 times from your enemies by hiding in the trash cans.
Sticker Collector ( 100 points )	Collect all the stickers that you'll earn in the tasks.
Sweet Cleaner ( 5 points )	Complete the "Cleaning The Circus" mission without making King Klong angry.
The Coolest Paperboy ( 5 points )	Get "perfect" throws for all newspapers in "The Paperboy" mission.
The Dog Catcher ( 15 points )	Complete level 10 in the task "Too Many Dogs in this Town".
The Fastest Driver ( 50 points )	Complete level 10 in all race tasks.
The Suburbs ( 50 points )	Complete all the Suburbs missions.
Too Good to Compete ( 5 points )	Keep first place in any racing mission for more than 1 minute... and win!
Town ( 50 points )	Complete all the Town missions.
Welcome to Planet 51 ( 10 points )	Complete the tutorials.