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