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