Dead Island: Riptide is an action role-playing survival horror video game and stand-alone expansion to Dead Island developed by Techland and published by Deep Silver, released in April 2013 for Microsoft Windows, PlayStation 3 and Xbox 360. Riptide serves as a continuation of the story to 2011's Dead Island, with the original four survivors, plus a new survivor, arriving on another island in the Banoi archipelago, which has also been overrun by zombies.