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