Here is the full list of all 50 Just Cause 2 achievements. It takes around 50-60 hours to unlock all of the achievements on Windows.
Kill 5 enemies by dragging them behind a vehicle with the grappling hook.
Assassinate 25 colonels.
Kill 30 enemies while they're suspended in the air with the grappling hook.
Stand on foot at the highest point of Panau.
Reach 100% complete in 100 locations.
Collect 1000 resource items.
Reach 50% completion in the normal mode or mercenary mode.
Base jump 1000 meters.
Complete 10 challenges.
Kill 30 enemies by mowing them down with vehicles.
Kill 50 enemies using melee attacks.
Complete 1000 sabotages.
Kill 5 enemies with the melee attack while they're suspended with the grappling hook.
Complete 49 faction missions.
Get 100 stunt driver points.
Complete 9 stronghold takeovers.
Kill 20 enemies in 60 seconds.
Complete story mission 7.
Bonus for completing the game on normal difficulty.
Bonus for completing the game on hard difficulty. Also gives you the bonus for normal difficulty.
Discover 100 locations.
Complete story mission 6.
Hijack 50 enemy vehicles.
Complete story mission 5.
Complete story mission 4.
Reach 100% complete in 15 locations.
Kill 50 enemies with headshots.
Travel 75 kilometers by land vehicle.
Kill 750 enemies.
Kill 30 enemies by using the grappling hook and making them fall to their death.
Complete 100 sabotages.
Complete story mission 3.
Collect 100 resource items.
Complete 3 stronghold takeovers.
Drive 30 different vehicles.
Destroy 30 objects in 60 seconds.
Complete story mission 2.
Complete story mission 1.
Cause chaos for the first time.
Bonus for completing the game on extreme difficulty. Also gives you the bonus for hard and normal difficulties.
Complete 50 challenges.
Collect 150 faction items.
Kill 5 enemies by smashing them with an object tethered to your vehicle with the grappling hook.
Kill 30 enemies while they're falling through the air.
Kill 50 enemies in a row with inventory weapons without losing health.
Drive all 104 vehicles.
Open the parachute and then land on foot 300 meters above the starting height.
Fly an airplane under 30 unique bridges in Panau.
Fly an airplane close to the ground for 30 seconds.
Reach 75% completion in the normal mode or mercenary mode.