The walls on the side of the door can be walked into when you are outside. You don't get caught or anything, you just stand between the walls.

While in Truman's mind, I got the quest to find find a fancy egg for in the treasure room.
I headed to the stage and used the intercom to talk to lilly. Instead of changing anything of the stage I used the most bottom option to back out of the conversation menu.
This teleported me to the world origin.

AMD Radeon RX 6800XT
AMD Ryzen 5 5600X
32GB 3200MHz DDR4 Memory

I've encountered an issue not really halting me from progress but whenever I attempt to access something in the items menu, the game crashes. This occurred only once in the abilities menu but almost every time I try to access something in the items menu and only the items menu the game crashes.

I have collected every collectible item in Green Needle Gulch, but for some reason one of the supply chest keys never counted itself as collected on the map. It's nothing too major as it doesn't prevent me from getting the platinum on the game. But not having it checked off in the journal will forever annoy me

"The UE4-Psychonauts2 Game has crashed and will ... Fatal error!"

This is the GOG Windows version. Always happens when the Xbox logo screen shows up. Need to Ctrl+alt+delete to close the program through task manager.