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.
Bring the end of your generations.
Reach the top.
Listen to all she has to say.
Don't just peek. Do it.
Restore a backup version of yourself.
It's not for everyone!
Do as you're told (for now).
Expose the flaws in the code.
Stand on your own two shoulders.
Receive guidance from Elohim's messengers.
Find a Messenger's abode.
That's what axes are for!
Enter the Land of Faith.
See what the others have to say.
Successfully engage in co-op mode with yourself.
Use the power of air to your advantage.
Run the sand through your robot hands.
Try, fail, try again, fail again, eventually succeed.
Accept Elohim's wisdom.
Search for other lands.
Tell the others what you think.
...but let's be honest, it works the same.
Use the connectors to win a prize!
Pick up a star.
Enter Elohim's temple.
Pass the initial checks.
A little curiosity never killed the cat.
Communicate with your double.
Laugh at the pointlessness of existence.
Strike a deal.
Get everything on your own.
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.