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