I managed to stealth the wholeTunnel section with the three bloaters, it wa san intense experience creeping passed them all, just needed to take out one runner with an arrow. Hospital hallway isnt too tough, but then i suppose it depends on how many bullets you have
Yeah that finally hallway it's pretty easy to get sight of most enemies without getting hit yourself, the helmets stopping headshots are the most annoying things. You can pick off half from the entrance. Assuming you have ammo.