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