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.
Earn a B Rank in the Trial of Initiation
Earn a B Rank in the Trial of Triumph
Earn a B Rank in LNP's Isla Intensa Trial Run
Earn a B Rank in the Gearheads' Godsbowl Trial Rampage
Earn a B Rank in Los Artistas' La Ratonera Survival Trial
Destroy 15 vehicles during a single challenge
Destroy 25 vehicles during a single challenge
Drive through all AR tiger images in the Solino Underground's challenges
Earn an S Rank in every course in the Solino Underground
Finish The Artifact
Finish Extermination
Purge the Infestation on the Mainland
Expel the Infestation at the Farm
Exorcise the Infestation at the Church
Eradicate the Infestation at the Compound
Liquidate the Infestation at the Lake
Obliterate the Infestation at the Crash
Abolish the Infestation on the Mountain
Create a Cow Demon
Grapple to an Agent who's reeling through the air, and reel-kick them
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 10 enemies during a single Agency drone ride
Defeat Emerson Miller
Reach 200 km/h with the Hoverboard for 10s
Ride the Hoverboard for a total of 10,000 meters (electro-mag cables don't count!)
Complete all Agency Hoverboard Courses in 20 seconds or less