Full list of all 40 The Talos Principle achievements. It takes around 25-30 hours to unlock all of the achievements in the base game on Windows.
The base game contains 36 achievements, and there is 1 DLC pack containing 4 achievements.
Do not allow the serpent to fill you with doubt.
Try, fail, try again, fail again, eventually succeed.
Collect all pieces of written information.
Do as you're told (for now).
Get everything on your own.
Listen to all she has to say.
It is never too late to accept Elohim's forgiveness.
Reach the top.
Laugh at the pointlessness of existence.
Don't just peek. Do it.
Restore a backup version of yourself.
Expose the flaws in the code.
Accept Elohim's wisdom.
Communicate with your double.
See what the others have to say.
Receive guidance from Elohim's messengers.
Find a Messenger's abode.
Tell the others what you think.
Pick up a star.