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.
Earn at least 3 Gears in one Challenge of every type.
Completely liberate Insula Striate.
Plant a Booster Explosive on an enemy soldier. Then send them flying.
Complete Story Mission: Son of Medici.
Call-Out another player in a Feat.
Complete Story Mission: The Shatterer of Worlds.
Complete Story Mission: The Great Escape.
Complete Story Mission: Tangled Up In Blue.
Complete Story Mission: A Long and Dangerous Road.
Completely liberate Insula Dracon.
Completely liberate Insula Fonte.
Get 1000000 Chaos.
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 every GEAR MOD in a single category.
Unlock 3 Heat-Clearing Priests by completing Encounters.
Earn 5 Gears in a Challenge.
Get 100000 Chaos.
Stand on foot at the highest point of Medici.
Tether an enemy to a launched gas cannister. Adeo, amico!
Successfully complete an Encounter.
Liberate 13 Settlements.
Beat another player's score in a Challenge.
Complete Story Mission: A Terrible Reaction.
Unlock your first GEAR MOD and activate it.
Earn at least 3 Gears in a Challenge.
Liberate a Province.
Complete Story Mission: Welcome Home.
Get 1000 Chaos.
Destroy every Chaos Object in a Military Base without weapons, grenades, or planted explosives.
Destroy all Chaos Objects in a Base without leaving your vehicle.
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.
Beat a score you were Called-Out on.
Perform every Feat.
Unlock every weapon and vehicle available in the Rebel Drop menu.
100% Just Cause 3.
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.
Earn at least 1 Gear in all Challenges of the Sky Fortress Expansion.
Defeat the "Old Friend" (Boss at the end of "Taking Control").
Use the Barrel Roll to evade 10 incoming missiles.
Defeat 1 of each Drone type.
Use the Bavarium Wingsuit to take off from water.
Earn 5 Gears in all Challenges of the Sky Fortress Expansion.
Earn at least 1 Gear in all Challenges of the Mech Land Assault Expansion.
Beat the last mission of the Mech Land Assault Expansion and complete the story arc.
Liberate 3 Detention Camps.
Hijack your first Mech.
Earn 5 Gears in all Challenges of the Mech Land Assault Expansion.
Destroy 30 enemy vehicles using the Mech's Force Pulse.
Defeat 10 enemy vehicles while in the air with the Rocket Boat.
Beat the last mission of the Bavarium Sea Heist expansion and complete the story arc.
Defeat 5 enemy helicopters with the Rocket Boat.
Defeat 1 enemy helicopter using the eDEN Spark.
Get the Rocket Boat, also known as "The Loochador".
Defeat 10 enemies with the same eDEN Spark strike.