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