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.
Collected all clues without triggering the repeating rooms.
Walked through fire.
Solved the password.
Collected the Golden Record.
Experienced all possible scares.
Took pictures of every interactable moon symbol.
Collected the camera.
Finished watching the credits.
Finished one complete playthrough.
Inputted the password without collecting any clues or walking through any doors.
Opened the cryotube door.