Follow the indicated steps to earn the corresponding Steam achievement. To view your achievement progress and stats, open the Steam client, select "Community", then search for the game hub for "N.E.R.O.: Nothing Ever Remains Obscure (PC)". Click the "View Stats" option in the drop down list, then select the option that displays the achievements for your account.

Achievement	How to unlock
Acceptance	Follow the light.
Anger	Exit the caves.
Bargain	Exit the forest.
Bringing everything together	Six fragments of a memory.
Cherish the past	Six fragments of a memory.
Completion Serenity	No puzzle left undone.
Denial	See no evil, hear no evil, speak no evil.
Depression	Exit the basement.
Do you remember these?	Six fragments of a memory.
Gnocchi Thursday	Lunch is served on Thursday.
I had forgotten so much	Six fragments of memory.
It's all coming back to me	A completed memento in the forest.
Journey Begins	Solve the first puzzle.
My First Memento	A fragment of a memory.
Opening the gates	Gain access to the large staircase.
Our Journey ends	Climb to the top.
Perfect memory	The pictures are complete.
Solaris Master	All the grids are blue now.
Sphere of Light	Become a light unto yourself
These are precious to me	A completed memento in the caves.
Timber!	Find a way to cross the canyon.
Together again	Go on sweetie, run to your father.
Treasure hunter	A completed memento in the desert.
Vivid recollection	A completed memento in the hospital.