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