Super Mario Galaxy 2 is a platform game developed by Nintendo EAD Tokyo, Nintendo Software Technology and released on Wii.

Super Mario Galaxy is a 3D platformer action game for the Wii, first released in 2007. It is the third Mario 3D platformer, and the follow-up to Super Mario 64 and Super Mario Sunshine. However, unlike the previous two 3D adventure installments for the Mario series, this game takes place in deep space. Most of the game's levels consist of many small planets and planetoids, while others have bigger planets. Upon release, Super Mario Galaxy received some of the highest review scores and appraisals of any Wii game to date.