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