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