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