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