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