Here is the full list of all 25 Twofold achievements.
See Perfect Circle through to the end
Obtained all other achievements. Thank you for following their stories.
Start Perfect Circle for the first time
Browse the Guest Art gallery after unlocking it
Help Wallace find his place in the club (Befriend Wallace)
Make Allison a promise (Befriend Allison)
Finish Caprice's Epilogue
Complete both key paths in Twofold
Finish Caprice Act 3
Get the truth from Eileen (Befriend Eileen)
Finish Caprice Act 2
She has a name, you know
Finish Caprice Act 1
Join the art club, for better or worse
Listen to what Heather has to say (Befriend? Heather)
Find a true friend in Darren (Befriend Darren)
Experience all optional choices in the prologue
Finish Millie Act 3
Finish Millie's Epilogue
Help ease the guilt weighing Tanya down (Befriend Tanya)
Finish Millie Act 2
Check in on Junebug
Finish Millie Act 1
Finish the prologue
Join the writing club, or what little is left of it