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