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.
Listen to all she has to say.
Laugh at the pointlessness of existence.
Expose the flaws in the code.
Bring the end of your generations.
Reach the top.
It's not for everyone!
Get everything on your own.
See what the others have to say.
Stand on your own two shoulders.
Restore a backup version of yourself.
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.
Don't just peek. Do it.
A little curiosity never killed the cat.
Run the sand through your robot hands.
Accept Elohim's wisdom.
...but let's be honest, it works the same.
Use the connectors to win a prize!
Pick up a star.
Search for other lands.
Enter Elohim's temple.
Pass the initial checks.
Try, fail, try again, fail again, eventually succeed.
Receive guidance from Elohim's messengers.
Communicate with your double.
Strike a deal.
Do as you're told (for now).
Do not allow the serpent to fill you with doubt.
It is never too late to accept Elohim's forgiveness.
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.