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