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.
Laugh at the pointlessness of existence.
Collect all pieces of written information.
Listen to all she has to say.
Communicate with your double.
Strike a deal.
Do not allow the serpent to fill you with doubt.
It is never too late to accept Elohim's forgiveness.
Do as you're told (for now).
Receive guidance from Elohim's messengers.
Accept Elohim's wisdom.
It's not for everyone!
Solve every mystery in every land, that you might aid those who walk in your footsteps.
Restore a backup version of yourself.
Reach the top.
Bring the end of your generations.
Get everything on your own.
Expose the flaws in the code.
Don't just peek. Do it.
See what the others have to say.
Stand on your own two shoulders.
A little curiosity never killed the cat.
Find a Messenger's abode.
That's what axes are for!
Enter the Land of Faith.
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!
Search for other lands.
Try, fail, try again, fail again, eventually succeed.
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.