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