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