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.
Collect every vehicle available by bringing them to Mario's Garages.
Unlock every weapon and vehicle available in the Rebel Drop menu.
Complete Story Mission: Son of Medici.
Complete Story Mission: The Shatterer of Worlds.
Perform every Feat.
Light a candle at every Rebel Shrine.
Find every collectible strewn across Medici.
Drive a land vehicle off of every Daredevil Jump in Medici.
Discover all of Di Ravello's audio tapes.
Pay your respects at every Ancient Tomb.
Find every vintage weapon and vehicle part.
Completely liberate Insula Striate.
Complete Story Mission: The Great Escape.
Get 1000000 Chaos.
Stand on foot at the highest point of Medici.
Destroy all Chaos Objects in a Base without leaving your vehicle.
Unlock every GEAR MOD in a single category.
Complete Story Mission: Tangled Up In Blue.
Earn at least 3 Gears in one Challenge of every type.
Complete Story Mission: A Long and Dangerous Road.
Completely liberate Insula Dracon.
Completely liberate Insula Fonte.
Plant a Booster Explosive on an enemy soldier. Then send them flying.
Complete Story Mission: Missile Cowboy.
Beat another player's score in a Challenge.
Disable the FOW in Insula Fonte.
Complete Story Mission: A Terrible Reaction.
Get 100000 Chaos.
Tether an enemy to a launched gas cannister. Adeo, amico!
Liberate 13 Settlements.
Unlock 3 Heat-Clearing Priests by completing Encounters.
Earn 5 Gears in a Challenge.
Unlock Rebel Drops for at least one land vehicle, one air vehicle, and one sea vehicle.
Unlock your first GEAR MOD and activate it.
Earn at least 3 Gears in a Challenge.
Liberate a Province.
Successfully complete an Encounter.
Complete Story Mission: Welcome Home.
Get 1000 Chaos.
Destroy every Chaos Object in a Military Base without weapons, grenades, or planted explosives.
Earn 5 Gears in every Challenge.
Beat a score you were Called-Out on.
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.
Use the Bavarium Wingsuit to take off from water.
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").
Earn at least 1 Gear in all Challenges of the Sky Fortress Expansion.
Use the Barrel Roll to evade 10 incoming missiles.
Defeat 1 of each Drone type.
Earn 5 Gears in all Challenges of the Sky Fortress Expansion.
Earn 5 Gears in all Challenges of the Mech Land Assault 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.
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 1 enemy helicopter using the eDEN Spark.
Defeat 5 enemy helicopters with the Rocket Boat.
Defeat 10 enemy vehicles while in the air with the Rocket Boat.
Get the Rocket Boat, also known as "The Loochador".
Defeat 10 enemies with the same eDEN Spark strike.