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