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.
Communicate with your double.
Collect all pieces of written information.
See what the others have to say.
Listen to all she has to say.
It is never too late to accept Elohim's forgiveness.
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.
Laugh at the pointlessness of existence.
It's not for everyone!
Do as you're told (for now).
Get everything on your own.
Do not allow the serpent to fill you with doubt.
Find a Messenger's abode.
That's what axes are for!
Restore a backup version of yourself.
Try, fail, try again, fail again, eventually succeed.
Stand on your own two shoulders.
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.
...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.
Accept Elohim's wisdom.
Receive guidance from Elohim's messengers.
Strike a deal.
Expose the flaws in the code.
Internalise the voice of doubt.
Get your user profile.
Free Garrett.
Initiate the ascension process.
Rescue Admin from his prison cell.