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