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