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