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