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