This page explains in detail the interactions between the Mario series and the World Gone Sour series.
World Gone Sour
World Gone Sour Walkthrough Part 1 HD
A gameplay video of World Gone Sour. The Mario reference is at 4:22.
December 20, 2011
Mario
World Gone Sour
Upon encountering the gum enemies in the first level, the narrator says: "You can jump on these to kill 'em? What? Like mushrooms!" This is a reference to the Goombas, the mushroom enemies in the Mario series, that are killed by stomping on them.
License
The creators of World Gone Sour didn't hold any right over Nintendo's Mario, but they only included a minor reference to the series.
