itch.io

I don't think itch supports spoiler tags, but I remember seeing one game hack a spoiler tag into their comment section by applying some custom CSS to the strikethrough to block it out instead of striking it, which was an interesting approach, but not particularly discoverable.

Also the star in 5,15 and the room 6,15?

for 11,12, you need start on 9,12, its possible

this is everything i can tell you, solve the puzzle yourself

for cryptids, double warp teleport you to a room, and you have to find the law about how does it teleport