Dead Island is a 2011 action role-playing survival horror video game developed by Polish developer Techland and published by German studio Deep Silver for Microsoft Windows, OS X, PlayStation 3, and Xbox 360. It is centered on the challenge of surviving a zombie-infested open world island with a major emphasis on melee combat. It was originally announced at E3 2006, but was pushed back to 2011. It was released on 6 September 2011 in North America, 9 September 2011 in the PAL regions and 20 October 2011 in Japan. A stand-alone expansion, Dead Island: Riptide, was released in 2013. A spin-off, Escape Dead Island, was released on 18 November 2014. A sequel, Dead Island 2, is set to be released in early 2015.