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 as you're told (for now).
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.
It is never too late to accept Elohim's forgiveness.
Collect all pieces of written information.
It's not for everyone!
Bring the end of your generations.
Internalise the voice of doubt.
Reach the top.
Listen to all she has to say.
Get everything on your own.
Try, fail, try again, fail again, eventually succeed.
Strike a deal.
Restore a backup version of yourself.
Communicate with your double.
Stand on your own two shoulders.
Don't just peek. Do it.
A little curiosity never killed the cat.
See what the others have to say.
Laugh at the pointlessness of existence.
Find a Messenger's abode.
Enter the Land of Faith.
That's what axes are for!
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.
Accept Elohim's wisdom.
Search for other lands.
...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.
Free Garrett.
Get your user profile.
Initiate the ascension process.
Rescue Admin from his prison cell.