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.
Internalise the voice of doubt.
Strike a deal.
Solve every mystery in every land, that you might aid those who walk in your footsteps.
Collect all pieces of written information.
It is never too late to accept Elohim's forgiveness.
Laugh at the pointlessness of existence.
Receive guidance from Elohim's messengers.
Do not allow the serpent to fill you with doubt.
Communicate with your double.
It's not for everyone!
Bring the end of your generations.
Reach the top.
Listen to all she has to say.
Don't just peek. Do it.
Do as you're told (for now).
Get everything on your own.
Expose the flaws in the code.
Stand on your own two shoulders.
See what the others have to say.
Enter the Land of Faith.
That's what axes are for!
Find a Messenger's abode.
Restore a backup version of yourself.
A little curiosity never killed the cat.
Successfully engage in co-op mode with yourself.
Try, fail, try again, fail again, eventually succeed.
Use the power of air to your advantage.
Run the sand through your robot hands.
Accept Elohim's wisdom.
Tell the others what you think.
...but let's be honest, it works the same.
Use the connectors to win a prize!
Search for other lands.
Pick up a star.
Enter Elohim's temple.
Pass the initial checks.
Initiate the ascension process.
Rescue Admin from his prison cell.
Free Garrett.
Get your user profile.