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