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