Full list of all 61 Just Cause 4 achievements. It takes around 50-60 hours to unlock all of the achievements in the base game on Windows.
The base game contains 34 achievements, and there are 3 DLC packs containing 27 achievements.
Recruit every Pilot
Reach Army of Chaos Level 14
Earn all Just Cause 4 Achievements
Get on the Leaderboard for every Feat
Film every Wingsuit Stunt
Discover every Location in the game
Film every Speed Stunt
Secure every Supply Drop Blueprint
Film every Vehicle Stunt
Stand on foot at the highest point in Solís
Uncover every Ancient Statue
Secure all Small Arms and Heavy Weapons Blueprints
Secure every Region
Secure Illapa
Crash into a flying airplane with your own plane
Finish Operation Sandstinger
Turn 10 Black Hand into Cows using the Cow Gun in a single session
Destroy a vehicle with the PBX Auto-Slug 4 shotgun's
Destroy every Surveillance Airship
Help Sargento stop an invasion of Black Hand reinforcements
Remove all rigged vehicles from the harbors of Solís
Help Garland King finally finish her picture
Secure every Factory
Finish Operation Windwalker
Unlock every Grappling Hook Mod
Discover 50% of all discoverable Locations
Finish Operation Thunderbarge
Beat someone's score while manually tracking the Feat
Uncover the mysteries of the Lost Tomb of Otorongo
Use only the Booster for 15 non-consecutive minutes -- Air Lifter and Retract can't be active!
Help Sargento with his ambush, meet the mysterious Javi Huerta, and visit Garland King on set
Use only the Air Lifter for 15 non-consecutive minutes -- Booster and Retract can't be active!
Increase your Army of Chaos Level by filling up the Chaos bar
Use only the Retract for 15 non-consecutive minutes -- Booster and Air Lifter can't be active!
Earn a B Rank in the Trial of Triumph
Earn an S Rank in every course in the Solino Underground
Earn a B Rank in Los Artistas' La Ratonera Survival Trial
Drive through all AR tiger images in the Solino Underground's challenges
Earn a B Rank in the Gearheads' Godsbowl Trial Rampage
Earn a B Rank in LNP's Isla Intensa Trial Run
Destroy 25 vehicles during a single challenge
Destroy 15 vehicles during a single challenge
Earn a B Rank in the Trial of Initiation
Create a Cow Demon
Finish Extermination
Obliterate the Infestation at the Crash
Liquidate the Infestation at the Lake
Exorcise the Infestation at the Church
Eradicate the Infestation at the Compound
Abolish the Infestation on the Mountain
Expel the Infestation at the Farm
Purge the Infestation on the Mainland
Finish The Artifact
Complete all Agency Hoverboard Courses in 20 seconds or less
Defeat 10 enemies during a single Agency drone ride
Ride a friendly Agency drone for 1000 meters, without getting off it
Defeat an Agent riding an Agency drone while riding an Agency drone yourself
Defeat Emerson Miller
Reach 200 km/h with the Hoverboard for 10s
Grapple to an Agent who's reeling through the air, and reel-kick them
Ride the Hoverboard for a total of 10,000 meters (electro-mag cables don't count!)