In this part of my sonic adventure playthrough, I play through sky deck, one of the harder stages in the game, and then defeat gamma (which would've unlocked an achievement had I not already had it) Part 7 of my sonic adventure playthrough on xbox360 Series playlist (play all episodes in a row): http://www.youtube.com/playlist?list=PLD40875DE1739D139 Part 1 of the playthrough: http://www.youtube.com/watch?v=ZqKgOaeBUco Remember to like the videos if you want to see me play through the other characters stories, and you can subscribe to keep up to date with the series and see these videos on your homepage as they are uploaded