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