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