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