Here is the full list of all 10 The Mind of Marlo achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Put Toilet Roll in the loo.
Finish Game.
Call Dad.
Linda Smoking On The Toilet.
Put Cactus in Bed.
Start The Life of Linda.
Defeat All Shapes.
Make Marlo perform.
Find hidden photo.
Examine Linda's self potrait