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.
Solve every mystery in every land, that you might aid those who walk in your footsteps.
Listen to all she has to say.
Bring the end of your generations.
Internalise the voice of doubt.
It is never too late to accept Elohim's forgiveness.
Reach the top.
Collect all pieces of written information.
Laugh at the pointlessness of existence.
Don't just peek. Do it.
It's not for everyone!
Do as you're told (for now).
Get everything on your own.
Strike a deal.
Accept Elohim's wisdom.
Stand on your own two shoulders.
Communicate with your double.
Try, fail, try again, fail again, eventually succeed.
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.
...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.
Tell the others what you think.
Restore a backup version of yourself.
Pick up a star.
Enter Elohim's temple.
Pass the initial checks.
Receive guidance from Elohim's messengers.
Expose the flaws in the code.
Do not allow the serpent to fill you with doubt.
Get your user profile.
Free Garrett.
Initiate the ascension process.
Rescue Admin from his prison cell.