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