This week we play the opinionated magnum opus of an opinionated creator. The Witness, created by Jonathan Blow, attempts to use puzzles and geometry to change the way you see the world, and create an engine for repeating the "a-ha!" moment over and over again. It ties one hand behind its back by communicating its mechanics in an entirely nonverbal fashion. Does it succeed at its lofty goals? Listen in to find out.

Thanks, Simon!

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