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