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.
Laugh at the pointlessness of existence.
Communicate with your double.
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!
Get everything on your own.
Expose the flaws in the code.
Stand on your own two shoulders.
Find a Messenger's abode.
That's what axes are for!
Enter the Land of Faith.
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.
A little curiosity never killed the cat.
Search for other lands.
...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.
Try, fail, try again, fail again, eventually succeed.
Accept Elohim's wisdom.
Receive guidance from Elohim's messengers.
Strike a deal.
Do as you're told (for now).
See what the others have to say.
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.
Listen to all she has to say.
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.