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