I found something interesting

http://danbooru.donmai.us/wiki/show?title=mima_no_kyuuden

http://yakujin.org/mima/

It's a dungeon crawler!
I have idea how to play it.
You can only use your mouse
Trial and error is essential
-.___-.;;

Somehow I'm reminded of the websites that were made to test how good you are at cracking security every time I find a Doujin game that doesn't come with a manual of an obvious play/control setup.