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