Super Mario Galaxy 4 The Ultimate Adventure

Super Mario Galaxy 4 The Ultimate Adventure is an upcoming game that will be realeased in 2013 on the Wii U. It is the fourth game in the Super Mario Galaxy Series.

Gameplay
The gameplay is similar to Super Mario Galaxy 1, 2, and Super Mario Galaxy 3. The graphics are wii u graphics.

Story
Not much is known about the story of the game yet but here is a list of facts to know.
 * 1) 1# Bowser will (at first) be an antagonist in the game but not the main antagonist.
 * 2) 2# The shroobs will return.
 * 3) 3# The main antagonist will be Commander Shroob who wants to seek revenge on the Mushroom Kingdom citizens and the Mario Brothers for defeating Princess Shroob and Elder Princess Shroob a long time ago.
 * 4) 4# The Constitutional Empire of United Creatures will be an ally with the shroobs.
 * 5) 5# Bowser's mother Bowserina will be introduced.