Here is the full list of all 24 Twin Mirror achievements. It takes around 10-12 hours to unlock all of the achievements on Windows.
You've made 60% of your decisions as your analytical self
Talk to Anna without asking for advice
Find all the mementos
Relive all your memories
Reconstruct Dennis's murder without help
Finish the "Memory lane" scene
Explore all the endings
Leave for pastures new
You kept Anna alive by outsmarting your opponent
You've chosen your analytical self
You've made 60% of your decisions as your social self
Finish the "Raise a glass" scene
Finish the "Wake up!" scene
Finish the "Ghosts" scene
Finish the "To catch a fish" scene
Finish the "Refuge" scene
Stay in your hometown
You've chosen your social self
You kept Anna alive by putting yourself in your opponent's shoes
Find your way out of the infinite hallway without help
Play an old favorite
Crack the code on Nick's fishing bag on your first try
Find one memento
Relive one memory