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