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I think this scan details the 2 player mode for Super Mario Galaxy 2. I think the 2nd player gets to control the Orange Luma, as indicated by the Cursor color as well as the fact that it is seemingly doing things whilst mario is there. Do you think this is the 2 player mode?
Source - http://www.nintendoeverything.com/wp-content/uploads/2010/04/smg2_famitsu-4.jpg












