Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Agency Athlete ( 20 points )	Run and jump your way to a 4-star Agility rating.
Agency Brawler ( 20 points )	Punch, jab, kick, and throw your way to a 4-star Strength rating.
Agency Explosives Expert ( 20 points )	Bomb your way to a 4-star Explosives rating.
Agency Marksman ( 20 points )	Hit your target every time to achieve a 4-star Firearms rating.
Agency Wheelman ( 20 points )	Accelerate and slide your way to a 4-star Driving rating.
Airtime Assassin ( 10 points )	Shoot and kill 5 gang members in a single jump ( while airborne).
Bare-Knuckle Brawler ( 15 points )	Kill 150 gang members with your bare hands ( or thrown objects).
Base Jumper ( 10 points )	Jump from the top of the Agency Tower and land in the water below.
Body Armor ( 10 points )	Use the Harpoon gun to attach 5 gang member corpses to a single vehicle.
Body Juggler ( 20 points )	Use explosives to keep a body up in the air for 10 seconds.
Car Juggler ( 20 points )	Use explosives to keep a car up in the air for seven seconds.
Chain Banger ( 10 points )	Blow up 100 explosive objects in 60 seconds.
Confiscator ( 40 points )	Impound all flagged vehicles and store them in the Agency Garage.
Double Trouble ( 10 points )	Double your fun - complete your first mission in Co-op mode.
Driving High ( 10 points )	Achieve a height of 115 feet or more in a vehicle.
Firing Squad ( 15 points )	Fire away - shoot and kill 500 gang members using firearms.
First Blood ( 10 points )	Eliminate the first of 21 gang bosses.
Flippin' Crazy ( 20 points )	Execute 3 flips of any type in a single jump in any vehicle.
Free Runner ( 50 points )	Collect 500 Agility Orbs.
Front Flipper ( 20 points )	Execute two forward flips in a single jump in a moving vehicle.
Global Impact ( 15 points )	Kill 15 gang members using the Observatory Globe.
Hazardous Hangtime ( 10 points )	Execute a 6-second jump in a vehicle.
High Flyer ( 10 points )	Make your way to the top of the Agency Tower.
It's Good To Be Connected ( 30 points )	Unlock all Supply Points.
Los Muertos Cleanser ( 20 points )	Murder Los Muertos - Kill all Los Muertos gang members.
Los Muertos Intel Master ( 10 points )	Locate all Los Muertos dossier targets.
Mad Bomber ( 15 points )	Show your explosive personality - kill 500 gang members using explosives.
Master Agent ( 40 points )	Earn 4-star ratings in all five skill areas and then max out your Skills Status meters.
Orb Hunter ( 50 points )	Collect 300 Hidden Orbs.
Over Our Heads ( 30 points )	Successfully complete all 12 Rooftop Races.
Pack Rat ( 10 points )	Complete any Stockpile mini-game in Co-op mode in fewer than 2 minutes and 30 seconds.
Psych Out ( 100 points )	Complete all Time Trial missions at the Psychotic difficulty level.
Rampage ( 20 points )	Wreak havoc in 60-second increments.
Repo Man ( 10 points )	Commandeer 100 gang-controlled vehicles.
Ring Leader ( 20 points )	Drive through all of the unique Stunt Markers.
Road Warrior ( 30 points )	Successfully complete all 14 Road Races.
Roadkill King ( 15 points )	Mow down and massacre 175 gang members while driving.
Shot-putter ( 10 points )	Throw any object ( other than a grenade) 205 feet or more.
Shai-Gen Intel Master ( 10 points )	Locate all Shai-Gen dossier targets.
Shai-Gen Cleanser ( 50 points )	Assassinate Shai-Gen - Kill all Shai-Gen gang members.
Street Racer ( 20 points )	Win every Street Race using any vehicle(s).
Street Racer Elite ( 150 points )	Win every Street Race using all available vehicles.
Stunt Driver ( 20 points )	Successfully execute five car stunts - front & back flips, barrel rolls, a long jump.
Tag Teamer ( 40 points )	Partner up and complete every mission in Co-op mode.
Take Me To Your Supply Point ( 10 points )	Unlock your first Supply Point.
The Trifecta ( 50 points )	Wipe the city clean by taking out all members of all three gangs.
Timed Stunt Driver ( 20 points )	Execute six car stunts in 60 seconds.
Untouchable Agent ( 15 points )	Kill 200 gang members without dying yourself.
Volk Cleanser ( 40 points )	Eviscerate the Volk - Take out all Volk gang members.
Volk Intel Master ( 10 points )	Locate all Volk dossier targets.