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