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