TWANG! A one-dimensional dungeon-crawler that uses a springy doorstop as a controller
by Cory Doctorow from on (#3E536)

https://www.youtube.com/watch?v=9yf_VINmbTE
Robin Baumgarten's Line Wobbler is an incredibly clever dungeon crawler game based on a single, one-dimensional line of lights, traditionally implemented as large-scale, high-priced public art installations. (more")