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