Complete the following achievements to unlock Xbox Live Gamerscore points.

Agency Explosives Expert (20 points): Bomb your way to a 4-star Explosives rating. 

Agency Athlete (20 points): Run & jump your way to a 4-star Agility rating. 

Agency Wheelman (20 points): Accelerate and slide your way to a 4-star Driving rating. 

Agency Brawler (20 points): Punch, jab, kick, and throw your way to a 4-star Strength rating. 

Agency Marksman (20 points): Hit your target every time to achieve a 4-star Firearms rating. 

Master Agent (40 points): Earn 4-star ratings in all five skill areas and then max out your 
Skills Status meters. 

Roadkill King (15 points): Mow down and massacre 175 gang members while driving. 

High Flyer (10 points): Make your way to the top of the Agency Tower. 

Firing Squad (15 points): Fire away - shoot and kill 500 gang members using firearms. 

Bare-Knuckle Brawler (15 points): Kill 150 gang members with your bare hands (or thrown objects). 

Mad Bomber (15 points): Show your explosive personality - kill 500 gang members using explosives. 

Untouchable Agent (15 points): Kill 200 gang members without dying yourself. 

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. 

Hazardous Hangtime (10 points): Execute a 6-second jump in a vehicle. 

Driving High (10 points): Achieve a height of 115 feet or more in a vehicle. 

Front Flipper (20 points): Execute two forward flips in a single jump in a moving vehicle. 

Timed Stunt Driver (20 points): Execute six car stunts in 60 seconds. 

Base Jumper (10 points): Jump from the top of the Agency Tower and land in the water below. 

Stunt Driver (20 points): Successfully execute five car stunts - front & back flips, barrel 
rolls, a long jump. 

Orb Hunter (50 points): Collect 300 Hidden Orbs. 

Free Runner (50 points): Collect 500 Agility Orbs. 

Repo Man (10 points): Commandeer 100 gang-controlled vehicles. 

Los Muertos Intel Master (10 points): Locate all Los Muertos dossier targets. 

Volk Intel Master (10 points): Locate all Volk dossier targets. 

Shai-Gen Intel Master (10 points): Locate all Shai-Gen dossier targets. 

First Blood (10 points): Eliminate the first of 21 gang bosses. 

Los Muertos Cleanser (20 points): Murder Los Muertos - Kill all Los Muertos gang members. 

Volk Cleanser (40 points): Eviscerate the Volk - Take out all Volk gang members. 

Shai-Gen Cleanser (50 points): Assassinate Shai-Gen - Kill all Shai-Gen gang members. 

The Trifecta (50 points): Wipe the city clean by taking out all members of all three gangs. 

Rampage (20 points): Wreak havoc in 60-second increments. 

Take Me To Your Supply Point (10 points): Unlock your first Supply Point. 

It's Good To Be Connected (30 points): Unlock all Supply Points. 

Airtime Assassin (10 points): Shoot and kill 5 gang members in a single jump (while airborne). 

Shot-putter (10 points): Throw any object (other than a grenade) 205 feet or more. 

Global Impact (15 points): Kill 15 gang members using the Observatory Globe. 

Ring Leader (20 points): Drive through all of the unique Stunt Markers. 

Chain Banger (10 points): Blow up 100 explosive objects in 60 seconds. 

Double Trouble (10 points): Double your fun - complete your first mission in Co-op mode. 

Tag Teamer (40 points): Partner up and complete every mission in Co-op mode. 

Road Warrior (30 points): Successfully complete all 14 Road Races. 

Over Our Heads (30 points): Successfully complete all 12 Rooftop Races.