Just Cause 3 has 66 achievements worth 1580 gamerscore

(Just) Causin' Chaos 0 Get 1000 Chaos.	10
Chaos is My Middle Name 0 Get 100000 Chaos.	30
Chaos Millionaire 0 Get 1000000 Chaos.	45
...Without Bullets! 0 Destroy every Chaos Object in a Military Base without weapons, grenades, or planted explosives.	20
My Little Rocket Man 0 Tether an enemy to a launched gas cannister. Adeo, amico!	20
This was Supposed to be a Western 0 Destroy all Chaos Objects in a Base without leaving your vehicle.	20
You're Outta Here! 0 Plant a Booster Explosive on an enemy soldier. Then send them flying.	20
Bragging Rights 0 Beat another player's score in a Challenge.	10
Getting it in Gear 0 Earn at least 3 Gears in a Challenge.	10
You've Got Gear 0 Earn 5 Gears in a Challenge.	15
A Real Gear-Getter 0 Earn at least 3 Gears in one Challenge of every type.	20
All the Gears 0 Earn 5 Gears in every Challenge.	40
Earth, Wind and Sea 0 Unlock Rebel Drops for at least one land vehicle, one air vehicle, and one sea vehicle.	25
Caught 'Em All! 0 Collect every vehicle available by bringing them to Mario's Garages.	35
Tomb Raider 0 Pay your respects at every Ancient Tomb.	15
Remember the Fallen 0 Light a candle at every Rebel Shrine.	20
Diary of the Madman 0 Discover all of Di Ravello's audio tapes.	20
Old School Cool 0 Find every vintage weapon and vehicle part.	20
Consummate Daredevil 0 Drive a land vehicle off of every Daredevil Jump in Medici.	20
No Stone Unturned 0 Find every collectible strewn across Medici.	35
Top of the World 0 Stand on foot at the highest point of Medici.	20
Anything You Can Do... 0 Beat a score you were Called-Out on.	15
Feat Fetish 0 Perform every Feat.	20
Vive la Revolution 0 Liberate a Province.	15
Take That, You Pipeline Jerks 0 Disable the FOW in Insula Fonte.	10
Baker's Dozen 0 Liberate 13 Settlements.	20
Taming the Dracon 0 Completely liberate Insula Dracon.	30
Hope Springs Eternal 0 Completely liberate Insula Fonte.	30
Heart of Stone 0 Completely liberate Insula Striate.	30
Unlocked and Fully Loaded 0 Unlock every weapon and vehicle available in the Rebel Drop menu.	40
Winner Takes All, Again 0 100% Just Cause 3.	50
Can't Touch This 0 Call-Out another player in a Feat.	10
Forgive Me, Father... 0 Take sanctuary in a monastery to clear Heat Level 5.	10
MOD Initiate 0 Unlock your first GEAR MOD and activate it.	10
MOD Specialist 0 Unlock every GEAR MOD in a single category.	20
MOD Tinkerer 0 Have every GEAR MOD active for at least 1 minute each.	35
First Encounter 0 Successfully complete an Encounter.	10
Supply and Demand 0 Unlock 10 Resupply Points by completing Encounters.	15
Three Holy Hideaways 0 Unlock 3 Heat-Clearing Priests by completing Encounters.	15

Secret Achievements

Enjoy Your Homecoming 0 Complete Story Mission: Welcome Home.	10
What a Disaster 0 Complete Story Mission: A Terrible Reaction.	15
The Power of Bavarium 0 Complete Story Mission: A Long and Dangerous Road.	15
These Mines are the Pits 0 Complete Story Mission: The Great Escape.	15
F!#& YOU, MISSILE 0 Complete Story Mission: Missile Cowboy.	20
Finally on the Offensive 0 Complete Story Mission: Tangled Up In Blue.	20
Mistakes and Triumphs 0 Complete Story Mission: The Shatterer of Worlds.	20
Son of Medici 0 Complete Story Mission: Son of Medici.	30

Just Cause 3 - Sky Fortress

There are 7 achievements with a total of 200 points.

Like a Fish... in the Air! 0 Use the Bavarium Wingsuit to take off from water.	10
Look at the Sly Fox 0 Use the Barrel Roll to evade 10 incoming missiles.	35
My Name is Eden 0 Beat the last mission of the Sky Fortress Expansion and complete the story arc.	50
Break a Leg! 0 Defeat the "Old Friend" (Boss at the end of "Taking Control").	35
Stock-Keeping 0 Defeat 1 of each Drone type.	10
Quite the Connoisseur 0 Earn at least 1 Gear in all Challenges of the Sky Fortress Expansion.	10
A True Master 0 Earn 5 Gears in all Challenges of the Sky Fortress Expansion.	50

Just Cause 3 - Mech Land Assault

There are 6 achievements with a total of 190 points.

In the Heart of Darkness 0 Beat the last mission of the Mech Land Assault Expansion and complete the story arc.	50
Certified eDEN Mech Operator 0 Earn at least 1 Gear in all Challenges of the Mech Land Assault Expansion.	35
eDEN Employee of the Year 0 Earn 5 Gears in all Challenges of the Mech Land Assault Expansion.	50
One Mech of a Ride 0 Hijack your first Mech.	10
Free Birds 0 Liberate 3 Detention Camps.	10
This Is Not A Fireball 0 Destroy 30 enemy vehicles using the Mech's Force Pulse.	35

Just Cause 3 - Bavarium Sea Heist

There are 6 achievements with a total of 190 points.

One Last Score 0 Beat the last mission of the Bavarium Sea Heist expansion and complete the story arc.	50
Loochador Master 0 Defeat 5 enemy helicopters with the Rocket Boat.	20
The Flying Medician 0 Defeat 10 enemy vehicles while in the air with the Rocket Boat.	40
I Should Buy A Boat 0 Get the Rocket Boat, also known as "The Loochador".	20
Lightning Bolt! 0 Defeat 1 enemy helicopter using the eDEN Spark.	20
Staying Power 0 Defeat 10 enemies with the same eDEN Spark strike.	40