@twinklecake - Now that I look closer, both of them have prominent breasts, so they must be both female. Well, I would not be so sure about it in a weird place like that.
@InfiniteVerisimilitude - Klein is probably related to Klein bottle, a version of Moebius strip in 1 more dimension.

lol stuck in backdoor room

Klein inspired by Klei?

Stuck in an endless loop. Undying. Trapped between a gap in space. One way in no way out. Pure hell.

now youre thinking with portals!

Good kids do NOT drink water from urinals.
lol
What is this I love it.

This seems interesting

Is that gorilla a male or a female..?

cube 5.0