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.
Kill 5 enemies by smashing them with an object tethered to your vehicle with the grappling hook.
Open the parachute and then land on foot 300 meters above the starting height.
Fly an airplane close to the ground for 30 seconds.
Fly an airplane under 30 unique bridges in Panau.
Collect 150 faction items.
Complete 50 challenges.
Complete 49 faction missions.
Collect 1000 resource items.
Assassinate 25 colonels.
Reach 50% completion in the normal mode or mercenary mode.
Kill 5 enemies by dragging them behind a vehicle with the grappling hook.
Complete 1000 sabotages.
Reach 100% complete in 100 locations.
Hijack 50 enemy vehicles.
Kill 30 enemies while they're suspended in the air with the grappling hook.
Kill 30 enemies by mowing them down with vehicles.
Complete 10 challenges.
Get 100 stunt driver points.
Kill 20 enemies in 60 seconds.
Kill 5 enemies with the melee attack while they're suspended with the grappling hook.
Discover 100 locations.
Complete story mission 7.
Bonus for completing the game on normal difficulty.
Complete story mission 6.
Base jump 1000 meters.
Complete 9 stronghold takeovers.
Complete story mission 5.
Kill 50 enemies using melee attacks.
Travel 75 kilometers by land vehicle.
Kill 750 enemies.
Complete story mission 4.
Kill 30 enemies while they're falling through the air.
Stand on foot at the highest point of Panau.
Kill 30 enemies by using the grappling hook and making them fall to their death.
Complete 100 sabotages.
Reach 100% complete in 15 locations.
Complete 3 stronghold takeovers.
Destroy 30 objects in 60 seconds.
Collect 100 resource items.
Complete story mission 3.
Kill 50 enemies with headshots.
Drive 30 different vehicles.
Complete story mission 2.
Kill 50 enemies in a row with inventory weapons without losing health.
Complete story mission 1.
Cause chaos for the first time.
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.