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