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