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