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.
Accept Elohim's wisdom.
It is never too late to accept Elohim's forgiveness.
Communicate with your double.
Laugh at the pointlessness of existence.
Solve every mystery in every land, that you might aid those who walk in your footsteps.
Collect all pieces of written information.
Bring the end of your generations.
Internalise the voice of doubt.
Reach the top.
Listen to all she has to say.
Don't just peek. Do it.
Strike a deal.
Do not allow the serpent to fill you with doubt.
Receive guidance from Elohim's messengers.
A little curiosity never killed the cat.
Restore a backup version of yourself.
It's not for everyone!
Do as you're told (for now).
Get everything on your own.
Expose the flaws in the code.
Try, fail, try again, fail again, eventually succeed.
Stand on your own two shoulders.
Find a Messenger's abode.
That's what axes are for!
Enter the Land of Faith.
See what the others have to say.
Successfully engage in co-op mode with yourself.
Use the power of air to your advantage.
Tell the others what you think.
Run the sand through your robot hands.
...but let's be honest, it works the same.
Use the connectors to win a prize!
Pick up a star.
Search for other lands.
Enter Elohim's temple.
Pass the initial checks.
Initiate the ascension process.
Rescue Admin from his prison cell.
Free Garrett.
Get your user profile.