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