I'm not entirely sure what the Covenant want with the Mushroom Kingdom, but they have invaded. This 2-D mix of Mario 2 and 3 has the plumber facing off against Elites and Grunts. The best part are the sound effects, the Grunts don't seem to be so out of place in this world. Check out the video here.

[Source CollegeHumor via Geekologie]