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