I was reading the Overview of OSR Games and as many of the linked-to systems I could fine. Most of them seemed sort of ho-hum, in that they all had about the same kind of complexity as one of the editions of Dungeons and Dragons or another. Searchers of the Unknown, on the other hand, really intrigued me by being a single-page game. It wasn't quite my cup of tea, but it seemed like there could easily exist something quite like it that I did like.
I'm wondering what other RPGs exist with rules expressed more or less on a single page. I realize that you could probably cram some games onto a page if you really tried, but I'm looking for games with rules that are meant to be that simple to begin with.