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