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.
Do as you're told (for now).
Receive guidance from Elohim's messengers.
Strike a deal.
Do not allow the serpent to fill you with doubt.
Accept Elohim's wisdom.
Communicate with your double.
It is never too late to accept Elohim's forgiveness.
Tell the others what you think.
Solve every mystery in every land, that you might aid those who walk in your footsteps.
It's not for everyone!
Restore a backup version of yourself.
Bring the end of your generations.
Laugh at the pointlessness of existence.
Listen to all she has to say.
Collect all pieces of written information.
Reach the top.
Get everything on your own.
Expose the flaws in the code.
Try, fail, try again, fail again, eventually succeed.
Stand on your own two shoulders.
Find a Messenger's abode.
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.
Don't just peek. Do it.
A little curiosity never killed the cat.
That's what axes are for!
Run the sand through your robot hands.
...but let's be honest, it works the same.
Search for other lands.
Use the connectors to win a prize!
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.