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 as you're told (for now).
Expose the flaws in the code.
Do not allow the serpent to fill you with doubt.
Receive guidance from Elohim's messengers.
Communicate with your double.
Accept Elohim's wisdom.
Laugh at the pointlessness of existence.
It is never too late to accept Elohim's forgiveness.
Collect all pieces of written information.
Reach the top.
Listen to all she has to say.
Restore a backup version of yourself.
Get everything on your own.
Find a Messenger's abode.
See what the others have to say.
Don't just peek. Do it.
Tell the others what you think.
Try, fail, try again, fail again, eventually succeed.
Pick up a star.