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