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