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