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