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.
Listen to all she has to say.
Don't just peek. Do it.
Do as you're told (for now).
Do not allow the serpent to fill you with doubt.
Expose the flaws in the code.
Try, fail, try again, fail again, eventually succeed.
Receive guidance from Elohim's messengers.
Communicate with your double.
Laugh at the pointlessness of existence.
Find a Messenger's abode.
Accept Elohim's wisdom.
Tell the others what you think.
Restore a backup version of yourself.
Pick up a star.
Get everything on your own.
See what the others have to say.
Collect all pieces of written information.