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.
Try, fail, try again, fail again, eventually succeed.
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.
Laugh at the pointlessness of existence.
Communicate with your double.
Listen to all she has to say.
It is never too late to accept Elohim's forgiveness.
Reach the top.
It's not for everyone!
Don't just peek. Do it.
A little curiosity never killed the cat.
Receive guidance from Elohim's messengers.
Do as you're told (for now).
Get everything on your own.
Restore a backup version of yourself.
Expose the flaws in the code.
Find a Messenger's abode.
That's what axes are for!
Stand on your own two shoulders.
Enter the Land of Faith.
See what the others have to say.
Successfully engage in co-op mode with yourself.
Accept Elohim's wisdom.
Use the power of air to your advantage.
Run the sand through your robot hands.
Search for other lands.
Tell the others what you think.
...but let's be honest, it works the same.
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.