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).
Laugh at the pointlessness of existence.
Accept Elohim's wisdom.
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.
It's not for everyone!
It is never too late to accept Elohim's forgiveness.
Reach the top.
Don't just peek. Do it.
Listen to all she has to say.
Get everything on your own.
Strike a deal.
Do not allow the serpent to fill you with doubt.
Expose the flaws in the code.
Communicate with your double.
Stand on your own two shoulders.
Restore a backup version of yourself.
Receive guidance from Elohim's messengers.
A little curiosity never killed the cat.
Enter the Land of Faith.
Find a Messenger's abode.
See what the others have to say.
Successfully engage in co-op mode with yourself.
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.
Initiate the ascension process.
Rescue Admin from his prison cell.
Free Garrett.
Get your user profile.