The Bathroom
Walk right to collect the bath tap and then walk left. Jump through the stairs and onto the platform and then climb the stairs. Jump off the stairs through the floor and then jump the green thing. Walk left through the door.
Jet Set Willy was released in 1984, when I was 12. It is hard to communicate now what it meant. It is like talking about Wimpy Bars, Keith Harris and Orville, or the German Democratic Republic. You can prove they existed, but that isn’t really the point.