Super Mario Galaxy 100% Walkthrough - Part 21 - Gateway & Boo's Boneyard Galaxy

This is Part 21 of a 100% walkthrough for Super Mario Galaxy. Part 21 includes Gateway & Boo's Boneyard Galaxy. All of the content found on my channel was recorded, edited, and uploaded by me. This channel consists of Nintendo video game walkthroughs, speedruns, and more. All recording is heavily practiced to establish the very best I can possibly achieve. My videos are sorted into playlists so they can be found easily by the viewers. #Mario #MarioGalaxy #SuperMarioGalaxy