Full list of all 35 South Park: The Fractured But Whole achievements. It takes around 25-30 hours to unlock all of the achievements on Windows.
Create a Black character and complete the game on Mastermind Difficulty
Win while 3 Allies are downed at the end of combat
Use TimeFart Glitch to cause a status-effected enemy to lose their turn and die at turn's end
Acquire and unlock all Summons
Win a combat by using TimeFart Pause to kill all remaining enemies at once before time resumes
Use all Allies' Ultimate powers once during the game, except the Coon's
Pick a fight with Morgan Freeman and defeat him
Collect all loot in the Homeless Camp at SoDoSoPa
Find all Yaoi art pieces
Reach the highest economic value on your Character Sheet
Use every available toilet in South Park and achieve the highest mastery level for each
Survive the farts of future past
Unlock all combat TimeFarts
Defeat Mutant Cousin Kyle
Equip powers from 4 different classes
Stop racism in South Park
Obtain and equip Artifacts to reach 600 Might
Craft an Artifact with a Might value of 75 or more
Successfully Fartkour to the Lofts at SoDoSoPa rooftop and back down again
Foil the plans of Professor Chaos
Wear costume pieces from 3 different sets at once
Reach the highest rank on 5 titles in your Character Sheet
Kill an enemy by knocking another enemy into them
Confuse or charm an enemy into defeating another enemy
Craft 10 distinct recipes
Use a Summon
Reach the highest rank on 1 title in your Character Sheet
Defend a helpless child from a drunk lunatic
Craft a macaroni picture for Moses
Equip powers from 2 different classes
Loot 100 Biohazard items
Keep an Ally alive for an entire combat while they take twice their max Health in damage
Become mutual followers with 10 people in South Park
Find 10 costume pieces
Use a toilet and achieve the highest mastery level