Infinitown is a three-dimensional city that lives in your browser, complete with folks going about their business and clouds drifting lazily overhead. It goes on forever, as the name suggests, in endless procedurally-generated loveliness. [via]
There's something perfect about it: just enough suggestive detail to get the mind rolling, not so much that its shallows become too obvious, and a clean and colorful animation style. There's no game to it, but the creator, Little Workshop, published a traditional grid-based dungeon crawler with the same random map trickery and visual polish: Keepout.