Complete the following tasks to unlock the corresponding achievement. To view your achievements and stats in Steam, select "Community", then "My profile", then "View all my games", then the game and view stats.

A Just Cause	Complete story mission 7.
A Trusted Ally	Complete 49 faction missions.
Body Count	Kill 750 enemies.
Bridge Limbo	Fly an airplane under 30 unique bridges in Panau.
Casino Bust	Complete story mission 2.
Conqueror of Panau	Complete 9 stronghold takeovers.
Destroyer	Complete 1000 sabotages.
Destruction Frenzy	Destroy 30 objects in 60 seconds.
Faction Benefactor	Collect 150 faction items.
Finders Keepers	Collect 100 resource items.
First Taste of Chaos	Cause chaos for the first time.
Follow Me!	Kill 5 enemies by dragging them behind a vehicle with the grappling hook.
Freeroamer 1	Reach 100% complete in 15 locations.
Freeroamer 2	Reach 100% complete in 100 locations.
Gaining a Foothold	Complete 3 stronghold takeovers.
Globetrotter	Discover 100 locations.
Gravity is a Bitch!	Kill 30 enemies by using the grappling hook and making them fall to their death.
Halfway there	Reach 50% completion in the normal mode or mercenary mode.
Hang 'em High!	Kill 30 enemies while they're suspended in the air with the grappling hook.
Heroic Agent	Bonus for completing the game on hard difficulty. Also gives you the bonus for normal difficulty.
I Believe I Can Fly	Base jump 1000 meters.
Into the Den	Complete story mission 6.
Invincible Warrior	Kill 50 enemies in a row with inventory weapons without losing health.
Juggler	Kill 30 enemies while they're falling through the air.
Killing Frenzy	Kill 20 enemies in 60 seconds.
Leaving No Rock Unturned	Collect 1000 resource items.
Legendary Agent	Bonus for completing the game on extreme difficulty. Also gives you the bonus for hard and normal difficulties.
Low Flyer	Fly an airplane close to the ground for 30 seconds.
Marksman	Kill 50 enemies with headshots.
Mountain Rescue	Complete story mission 4.
Parachute Climber	Open the parachute and then land on foot 300 meters above the starting height.
Perfectionist	Reach 75% completion in the normal mode or mercenary mode.
Pinata Party	Kill 5 enemies with the melee attack while they're suspended with the grappling hook.
Please Step Out of the Vehicle	Hijack 50 enemy vehicles.
Professional Hitman	Assassinate 25 colonels.
Road Rage	Kill 30 enemies by mowing them down with vehicles.
Road Trip	Travel 75 kilometers by land vehicle.
Saboteur	Complete 100 sabotages.
Stunt Driver	Get 100 stunt driver points.
Test Driver	Drive 30 different vehicles.
The White Tiger	Complete story mission 3.
Three Kings	Complete story mission 5.
Top Agent	Bonus for completing the game on normal difficulty.
Top of the World	Stand on foot at the highest point of Panau.
Trying Anything Once	Drive all 104 vehicles.
Unarmed and Dangerous	Kill 50 enemies using melee attacks.
Up to the Challenge 1	Complete 10 challenges.
Up to the Challenge 2	Complete 50 challenges.
Welcome to Panau	Complete story mission 1.
Wrecking Ball	Kill 5 enemies by smashing them with an object tethered to your vehicle with the grappling hook.