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's not for everyone!
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.
Communicate with your double.
Do as you're told (for now).
Get everything on your own.
Try, fail, try again, fail again, eventually succeed.
Strike a deal.
Do not allow the serpent to fill you with doubt.
Expose the flaws in the code.
See what the others have to say.
Stand on your own two shoulders.
Receive guidance from Elohim's messengers.
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.
Run the sand through your robot hands.
Search for other lands.
Accept Elohim's wisdom.
...but let's be honest, it works the same.
Tell the others what you think.
Use the connectors to win a prize!
Restore a backup version of yourself.
Enter Elohim's temple.
Pick up a star.
Pass the initial checks.
Get your user profile.
Free Garrett.
Initiate the ascension process.
Rescue Admin from his prison cell.