Here is the full list of all 11 We Went Back achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Experienced all possible scares.
Finished watching the credits.
Walked through fire.
Solved the password.
Collected the Golden Record.
Collected all clues without triggering the repeating rooms.
Took pictures of every interactable moon symbol.
Inputted the password without collecting any clues or walking through any doors.
Finished one complete playthrough.
Collected the camera.
Opened the cryotube door.