Mario Galaxy's planetary physics examined in university paper — eurogamer.net

Four University of Leicester students have examined the physics behind Nintendo's platforming hit Super Mario Galaxy. The short paper, titled It's a-me Density!, attempts to rationalise the size of a typical Galaxy planetoid with the level of gravity affecting the player. Galaxy lets Mario jump and walk with much the same gravity as on Earth (or in the Mushroom Kingdom), but the game's spherical worlds are far smaller than your average planet.

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