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.
Listen to all she has to say.
Collect all pieces of written information.
Solve every mystery in every land, that you might aid those who walk in your footsteps.
Laugh at the pointlessness of existence.
Do as you're told (for now).
Strike a deal.
Do not allow the serpent to fill you with doubt.
Communicate with your double.
Try, fail, try again, fail again, eventually succeed.
Accept Elohim's wisdom.
Receive guidance from Elohim's messengers.
It is never too late to accept Elohim's forgiveness.
Bring the end of your generations.
Reach the top.
See what the others have to say.
Restore a backup version of yourself.
It's not for everyone!
Get everything on your own.
Expose the flaws in the code.
Stand on your own two shoulders.
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.
Don't just peek. Do it.
Run the sand through your robot hands.
...but let's be honest, it works the same.
Tell the others what you think.
Use the connectors to win a prize!
Pick up a star.
A little curiosity never killed the cat.
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.