Super Mario Galaxy 2 is a third person adventure game for the Nintendo Wii released in the United States. The game follows Mario as he travels through many galaxies to rescue Princess Peach from Bowser. It introduces new mechanics such as the ability to use Yoshi for climbing and gliding. The gameplay features gravity based platforming on planets and in space. Players can collect star bits and power ups including the fire flower and the ice flower. The game includes a larger number of worlds each containing multiple levels and new enemies. Boss battles appear in each galaxy. A cooperative mode allows a second player to assist with the Wii Remote pointer. The title was developed by Nintendo EAD and published by Nintendo. It was released in 2010. It received critical acclaim for its level design and soundtrack. The game was added to iOctavio.com on 2010-06-11.