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