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