Here is the full list of all 50 Just Cause 2 achievements. It takes around 60-80 hours to unlock all of the achievements on Windows.
Kill 50 enemies using melee attacks.
Kill 30 enemies by mowing them down with vehicles.
Kill 30 enemies while they're falling through the air.
Kill 5 enemies by smashing them with an object tethered to your vehicle with the grappling hook.
Kill 5 enemies by dragging them behind a 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.
Base jump 1000 meters.
Drive all 104 vehicles.
Fly an airplane under 30 unique bridges in Panau.
Complete 50 challenges.
Fly an airplane close to the ground for 30 seconds.
Get 100 stunt driver points.
Complete 10 challenges.
Reach 75% completion in the normal mode or mercenary mode.
Kill 30 enemies by using the grappling hook and making them fall to their death.
Collect 150 faction items.
Assassinate 25 colonels.
Stand on foot at the highest point of Panau.
Reach 50% completion in the normal mode or mercenary mode.
Collect 1000 resource items.
Complete 1000 sabotages.
Reach 100% complete in 100 locations.
Hijack 50 enemy vehicles.
Reach 100% complete in 15 locations.
Complete 100 sabotages.
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.
Discover 100 locations.
Complete 9 stronghold takeovers.
Complete story mission 5.
Kill 20 enemies in 60 seconds.
Kill 750 enemies.
Kill 50 enemies in a row with inventory weapons without losing health.
Complete story mission 4.
Complete story mission 3.
Drive 30 different vehicles.
Travel 75 kilometers by land vehicle.
Collect 100 resource items.
Complete 3 stronghold takeovers.
Kill 50 enemies with headshots.
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.