High Quality Content by WIKIPEDIA articles! Stubbs the Zombie in Rebel Without a Pulse is a third-person action video game developed by Wideload Games and published by Aspyr Media, and built with the Halo engine. It was released on October 18, 2005 for the Xbox video game console, and was released for Microsoft Windows and Mac OS X in November that same year. The game was released on February 10, 2006 in Europe. Later, Valve Corporation made the game available for purchase via Steam on May 17, 2007. This title became available on Microsoft`s Xbox Live Marketplace as an Xbox Originals on May 19, 2008.