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