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