Final boss fight versus Bowser and ending of Super Mario Galaxy 2. The game requires you to beat Bowser again after getting 120 stars for an alternate ending . Recorded by: Volvagia aka Gloverrandall Commentary by: Volvagia aka Gloverrandall. Welcome to my Super Mario Galaxy 2: Playthrough Parts! Please note: This gameplay is full BLIND and I got the NTSC-version, but I´m german. It´s okay for me . This is part 29 of a 100% walkthrough for Super Mario Galaxy. This video shows a few more purple comet stars as well as Boo's Boneyard Galaxy. Super Mario .