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.
Try, fail, try again, fail again, eventually succeed.
Internalise the voice of doubt.
Get everything on your own.
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.
Collect all pieces of written information.
It is never too late to accept Elohim's forgiveness.
Reach the top.
Listen to all she has to say.
Don't just peek. Do it.
A little curiosity never killed the cat.
It's not for everyone!
Do as you're told (for now).
Expose the flaws in the code.
Strike a deal.
Do not allow the serpent to fill you with doubt.
Communicate with your double.
Laugh at the pointlessness of existence.
Restore a backup version of yourself.
Stand on your own two shoulders.
See what the others have to say.
Receive guidance from Elohim's messengers.
Find a Messenger's abode.
That's what axes are for!
Enter the Land of Faith.
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.
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.