Sonic Lost World is an action-adventure platforming video game for the Nintendo 3DS and Wii U game consoles. It is part of the "Sonic the Hedgehog" series. It was developed by Sonic Team and published by Sega. It was released on October 18, 2013 in Europe, on October 19, 2013 in Australia, on October 24, 2013 in Japan, and on October 29, 2013 in North America.