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