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