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