Everybody should feel what is to be a triangle. Edwin A. Abbott‘s novel Flatland constitutes a sharp essay on human nature and mathematical metaphysics. Triangles do live in a complex social structure that resembles our well know power fights, while facing the odds of moving in a bi-dimensional world; however you play it, it always sounds like a great mind-opener.
Flatland: The Videogame held the idea of introducing players into a flat landscape, where they can only see a line, as planes have no height. This breaking experience was designed to bring text into interactivity, with the sole purpouse of making gamers wonder whether our rules —both social and cosmological— are truly immovable.
There was something prepared for a crowdfunding campaign: