Full list of all 66 Just Cause 3 achievements worth 1,605 gamerscore. It takes around 60-80 hours to unlock all of the achievements in the base game.
The base game contains 47 achievements worth 1,000 Gamerscore, and there are 3 DLC packs containing 19 achievements worth 605 Gamerscore.
Get 1000000 Chaos.
Complete Story Mission: Son of Medici.
Complete Story Mission: The Shatterer of Worlds.
Complete Story Mission: The Great Escape.
Complete Story Mission: Tangled Up In Blue.
Unlock every GEAR MOD in a single category.
Complete Story Mission: A Long and Dangerous Road.
Earn at least 3 Gears in one Challenge of every type.
Beat another player's score in a Challenge.
Unlock Rebel Drops for at least one land vehicle, one air vehicle, and one sea vehicle.
Complete Story Mission: Missile Cowboy.
Disable the FOW in Insula Fonte.
Unlock 3 Heat-Clearing Priests by completing Encounters.
Get 100000 Chaos.
Liberate 13 Settlements.
Complete Story Mission: A Terrible Reaction.
Successfully complete an Encounter.
Liberate a Province.
Unlock your first GEAR MOD and activate it.
Earn 5 Gears in a Challenge.
Earn at least 3 Gears in a Challenge.
Get 1000 Chaos.
Complete Story Mission: Welcome Home.
Destroy every Chaos Object in a Military Base without weapons, grenades, or planted explosives.
Tether an enemy to a launched gas cannister. Adeo, amico!
Destroy all Chaos Objects in a Base without leaving your vehicle.
Plant a Booster Explosive on an enemy soldier. Then send them flying.
Earn 5 Gears in every Challenge.
Collect every vehicle available by bringing them to Mario's Garages.
Pay your respects at every Ancient Tomb.
Light a candle at every Rebel Shrine.
Discover all of Di Ravello's audio tapes.
Find every vintage weapon and vehicle part.
Drive a land vehicle off of every Daredevil Jump in Medici.
Find every collectible strewn across Medici.
Stand on foot at the highest point of Medici.
Beat a score you were Called-Out on.
Perform every Feat.
Completely liberate Insula Dracon.
Completely liberate Insula Fonte.
Completely liberate Insula Striate.
Unlock every weapon and vehicle available in the Rebel Drop menu.
100% Just Cause 3.
Call-Out another player in a Feat.
Take sanctuary in a monastery to clear Heat Level 5.
Have every GEAR MOD active for at least 1 minute each.
Unlock 10 Resupply Points by completing Encounters.
Beat the last mission of the Sky Fortress Expansion and complete the story arc.
Defeat the "Old Friend" (Boss at the end of "Taking Control").
Use the Bavarium Wingsuit to take off from water.
Use the Barrel Roll to evade 10 incoming missiles.
Earn at least 1 Gear in all Challenges of the Sky Fortress Expansion.
Defeat 1 of each Drone type.
Earn 5 Gears in all Challenges of the Sky Fortress Expansion.
Beat the last mission of the Mech Land Assault Expansion and complete the story arc.
Earn at least 1 Gear in all Challenges of the Mech Land Assault Expansion.
Earn 5 Gears in all Challenges of the Mech Land Assault Expansion.
Liberate 3 Detention Camps.
Hijack your first Mech.
Destroy 30 enemy vehicles using the Mech's Force Pulse.
Beat the last mission of the Bavarium Sea Heist expansion and complete the story arc.
Defeat 10 enemy vehicles while in the air with the Rocket Boat.
Defeat 1 enemy helicopter using the eDEN Spark.
Defeat 5 enemy helicopters with the Rocket Boat.
Get the Rocket Boat, also known as "The Loochador".
Defeat 10 enemies with the same eDEN Spark strike.