Here's a quick "to-do" to enter the Main Building.
- Get out of bed and hide under it (press A looking at bed)
- Grab room key from inside bedside table (A) and press Y to open inventory, with key selected (L/R on Dpad), open the door (A).
- Follow path and grab train ticket
- Follow route to train, with ticket selected select the empty space in the operator booth (look for red light)
- Follow tracks to now broken fence, grab planks
- In center of map will be a wooden vridge that is broken, place planks here and grab bottle of water (or something)
- Go to merry go round and find horse with big blotch on ass
- Use bottle of (?) and examine code
- Go to building near train and select keypad.