That round London tube map was pretty damn good. Now how about a version of the Underground map from an alternate universe where 8-bit graphics and Mario level cartography somehow became the cultural norm? It's the Super Mario Bros. 3 Zone 1 Tube Map!
Sadly there's no DLR as the designer says he was "too lazy to design the tiles" for it and the updated East London Line stations are missing, but even so. It's lovely. Here's the full resolution thing for printing out and attaching to station notice boards: