via http://gbatemp.net/index.php

Nightmare Busters is a new original SNES Homebrew, released on an actual cart. Described as "a masterful run and gun game for the Super Nintendo", it is being sold at $68 in the US and $75 worldwide. The original print run was doubled to 600 units and sold out in just under 3 weeks! The team has mentioned that their are no current plans for a second release, but it remains a possibility.

http://www.nightmarebusters.com/