Here is the full list of all 12 Event[0] achievements. It takes around 3-4 hours to unlock all of the achievements on Windows.
You reached the “Together, Forever” ending.
You found all the hidden commlink logs.
You reached the “Delivered on a Promise” ending.
You opened all the logs of the Nautilus.
You waited before entering the living room.
You reached the "The Nautilus Is Yours" ending.
You found the bridge password.
You found a very singular use for the piano.
You did small talk with Kaizen.
Kaizen tried to kill you, but you survived.
You survived the accident in the bedroom.
You encountered Kaizen-85.