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