1: Take Me To Your Supply Point: This achievement is very easy and will most likely be the first one you unlock, make your way to a supply point and press Y to enter and unlock it.

2: First Blood: Each of the 3 gangs have 6 members and 1 kingpin, killing the members will weaken the defenses of the kingpin and the entire gang as a whole, kill your first gang memner to unlock this achievement.

3: High Flyer: You will need to have either a 3 or 4 star agility to be able to climb to the top of the agency tower, there are multiple routes to get there but you shouldn't have too much trouble getting to the top.

4: Base Jumper: Once you have made your way to the top of the agency tower look over the edge to find a small pool of water below, jump from the tower and land in the water.

5: Airtime Assassin: Kill enough gang members and they will send hit squads after you which means there will be larger groups of enemys, if you have a high agility throw a grenade or two at a group of enemys then jump into the air, if you don't have high agility then stand on a buildings roof and throw grenades at enemys below then jump off the roof before they explode, if you have either of the two rocket launchers then this achievement is much easier.

6: Bare-Knuckle Brawler: An easy achievement, simply beat enemys to death with the B button.

7: Roadkill King: Another simple achievement, simply mow down enemys while driving a vehicle.

8: Untouchable Agent: Later gangs are tougher and will kill you faster so this achievement is much easier to unlock with the Los Muertos gang, just kill over 200 enemys without regenerating.

9: Shot-Putter: You will need a 3 or 4 star strength rating for this achievement, once you have high strengh pick up any object other than a grenade and carry it to a high building or structure and jump off the building with forward momentum and throw the object, immedietly hold down on the movement stick to move your character farther away from the thrown object while falling, the lighthouse on the north Los Muertos island works very well for this achievement.

10: Chain Banger: Near the ferris wheel is a beach with a wodden pier and at the end of the pier is a ring of explosive barrels, there are many more explosive barrels in front of the houses along the beach front, shoot the explosive barrels on the pier to start a chain reaction then immedietly run to the beach front houses and throw grenades at the many barrels there to start another chain reaction, this has to be done within 60 seconds so if your fast enough you will unlock the achievement, the barrels also respawn so you can try as many times as you like.

11: Double Trouble: A very easy achievement, simply host of join a co-op game and take out any one of the 21 gang members to unlock this achievement.

12: Tag Teamer: To unlock this you need to kill all the 21 gang members while in co-op, it can be hard unlocking this if you have completed the solo game or are joining somebody else game since you cannot control what gang members they have already killed and what ones you need to kill, a much easier way to do this is partner up with a friend and play co-op time trial which means you can select what gang members you want to kill and in what order, the time is also displayed which can help in keeping track of which members you have killed, kill all 21 with a co-op partner in the game and this achievement will be yours.

13: Global Impact: Drive out from the agency keep through door 2, once you are outside get out of your car and turn left, jump over some rocks and you will see a big dome building in the distance, this is the observatory and the globe is located in the parking lot at the front, kick or shoot the stand the globe is held in and it will roll free, simply throw or kick the globe at 15 gang thugs and this achievement will unlock.

14: Over Our Heads: Rooftop races are marked with big green beams of light, simply complete all 12 of these races under the par time to unlock this achievement, if you are having trouble finding the locations of these races then use an online guide map or the map from the official strategy guide.

15: Road Warrior: Road races are marked with big purple beams of light, simply complete all 14 road races under the par time to unlock this achievement, if you are having trouble finding the locations of these races then use an online guide map or the map from the official strategy guide.

16: Ring Leader: To unlock this you have to drive a vehicle through all 39 of the round purple stunt markers, the agency SUV at 4 star driving is best for attempting these since you can use the jump button to get alot of height, there are also trucks dotted around the game that can be used as portable ramps to get even bigger jumps for the more higher stunt markers.

17: Los Muertos Intel Master: When you get near to a gang members location your agency PDA will udpate with the exact location and infomation on your next target, after uncovering all 7 gang members locations for Los Muertos you will unlock this achievement.

18: Volk Intel Master: Exactly the same as Los Muertos Intel Master, uncover all 7 Volk gang member locations and this achievement will unlock

19: Shai-Gen Intel Master: Exactly the same as the previous two.

20: Los Muertos Cleanser: After killing all 7 gang members of Los Muertos including the kingpin you will have one final fight, after this fight you will unlock this achievement.

21: Volk Cleanser: Kill all 7 gang members from the Volk and then complete the final fight to unlock this achievement.

22: Shai-Gen Cleanser: Kill all 7 gang members from the Shai-Gen and then complete the final fight to unlock this achievement.

23: The Trifecta: After completing the previous three cleanser achievements you will unlock this achievement.

24: It's Good To Be Connected: Locate and retake all of the agency supply points from the entire city to unlock this achievement.

25: Repo Man: To Commandeer a gang controlled vehicle simply press Y next to a gang car that is flashing red to pull out the driver, an easy way to do this 100 times is to go into time trial and select Diaz from Los Muertos, once you spawn make you way inside the stunt arena and ignore Diaz, 5 or 6 gang vehicles will try to mow you down so simply commandeer all of these vehicles then kill Diaz and choose to retry the mission, do this as many times as it takes to unlock the achievement.

26: Stunt Driver: The 5 stunts include a left and right barrel roll, a front and back flip and a long jump which has to be more than 205 feet, the agency SUV at 4 stars is best suited for these stunts, use a portable ramp truck for the long jump and the stunt arena where you met the boss Diaz for the other 4 stunts.

27: Front Flipper: Either use a portable ramp truck with the 4 star SUV for the 2 forward front flips or drive off a high cliff and perform two front flips to unlock this achievement (make sure to land on a flat surface and not water).

28: Driving High: You only have to be in a vehicle which is 115 feet above sea level for this achievement to unlock, simply drive the SUV upto the gang statue on the north Los Muertos island and this should unlock.

29: Timed Stunt Driver: On the beach near the ferris wheel there are life guard huts with ramps, simply drive back and forth over them in the SUV performing barrel rolls and flips and you should unlock this if your fast enough, you have to perform 6 stunts within 60 seconds, remember to use the SUVs jump ability to your advantage.

30: Hazardous Hangtime: Place a portable ramp truck infront of the exit of either tunnel 1 or 2 of the agency keep and use the 4 star SUV and its jump button and you should stay in the air for more than 6 seconds easily.

31: Car Juggler: This is much easier if you have the 5 shot homing rocket launcher from the shai-gen, once you have the rocket launcher drive the agency supercar out of tunnel 1 and get out (make sure no gang members are around), now place some limpet charges (timed bombs) onto the car and back off, hold RB to detonate and the car should fly into the air, quickly run forward and fire your 5 rockets at the car in the air to keep it up, you do not have to use limpet charges and can simply fire a rocket at the car to lift it up then run underneath it and fire your other 4 rockets, the car has to stay in the air for seven seconds.

32: Body Juggler: Kill a gang member and pick up his body, look up and throw the body into the air, quickly fire your 5 rockets at the body and it should easily stay in the air for 10 seconds (a high strength is recommended so you can throw the body high into the air before shooting it).

33: Firing Squad: Use any type of gun (minus grenade & rocket launchers) to kill 500 gang thugs to unlock this achievement.

34: Mad Bomber: Use grenades, the grenade launcher or rocket launchers to kill 500 gang thugs to unlock this achievement.

35: Agency Athlete: Collecting green agility orbs, completing rooftop races under par time and shooting enemys from high rooftops will all give you agility stat orbs towards your agility ability, reach level 4 to unlock this achievement.

36: Agency Brawler: Kicking enemys and meleeing them with your gun to kill them will give you strength stat orbs towards your strength ability, kicking or meleeing civilians will take stat orbs away, reach level 4 to unlock this achievement.

37: Agency Marksman: Use guns (minus grenade & rocket launchers) to kill enemys will give you marksman stat orbs towards your firearms ability, the smaller the reticle becomes the more accurate your shots are and the faster you will kill the enemy, shooting civilians will take stat orbs away, reach level 4 to unock this achievement.

38: Agency Wheelman: Mowing down gang thugs, jumping cars through stunts markers and performing jumps and stunts will give you driving stat orbs towards your driving ability, mowing civilians down will take stat orbs away, reach level 4 to unlock this achievement.

39: Agency Explosives Expert: Use grenades, grenade & rocket launchers to kill gang thugs and you will be given explosives stat orbs towards you explosives ability, killing civilians will take stat orbs away, reach level 4 to unlock this achievement.

40: Master Agent: Once you have reached level 4 in all five abilities you will have to continue getting stat orbs for those abilities until the stats metre for each one reaches 99, once it reaches 99 obtain a few more orbs and it will change to --, this symbol means you have finished maxing out that stat and from now on when you die or kill civilians you will not have stat orbs taken away, fully max out all five stats until they show -- and you will unlock this achievement.

41: Orb Hunter: These hidden orbs will for the most part require the map from the official guide or an online map simply becasue they are hard to find and are hidden in/under and on the side of buildings and rocks/cliffs.

42: Free Runner: Collecting all 500 agility orbs won't require a map becasue these orbs are bright green and are placed in easy to see locations like on top of building and rocks, most people will have difficulty finding the last 5-1 orbs becasue the game world is so big so if you are having difficulty then you can use the map from the guide or an online map.

43: Rampage: This achievement is broken down into 6 sub-achievements, you will have to complete the 6 sub-achievements in order for the main achievement to unlock, the sub-achievements are as follows...

- Blow up 25 gang controlled vehicles in 60 seconds

- Kill 15 gang members with your bare hands or thrown objects in 60 seconds

- Shoot and kill 15 gang members in 60 seconds

- Use explosives to kill 25 gang members in 60 seconds

- Use a vehicle to kill 10 gang members in 60 seconds

- Pop 20 tires on gang controlled vehicles in 60 seconds