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