Thanks for playing! Damn! There's actually another collider missing next to the laundry as well I think. I made the build for the game and then backed it up, and as I was backing it up my files all corrupt themselves. So I can't go in and fix it up!! :O
ouch - in case you really want the project back, you might be able to recover it using utinyripper and dnspy https://www.youtube.com/watch?v=FrhmO9xAf00 + https://www.youtube.com/watch?v=pYsmY_mF2YA