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.
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.
Collect all pieces of written information.
Listen to all she has to say.
Don't just peek. Do it.
A little curiosity never killed the cat.
Strike a deal.
Do not allow the serpent to fill you with doubt.
Get everything on your own.
Laugh at the pointlessness of existence.
Communicate with your double.
Restore a backup version of yourself.
It's not for everyone!
Do as you're told (for now).
Receive guidance from Elohim's messengers.
Find a Messenger's abode.
That's what axes are for!
Expose the flaws in the code.
See what the others have to say.
Try, fail, try again, fail again, eventually succeed.
Stand on your own two shoulders.
Enter the Land of Faith.
Tell the others what you think.
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.
Initiate the ascension process.
Rescue Admin from his prison cell.
Free Garrett.
Get your user profile.