DEFINITELY worth it! Not just a demo, but a demo with ACHIEVEMENTS, that I enjoyed much MORE than the actual game. Pick it up. Pick it uppp. Pick it upppppppppppppp!
100% Arcade/WP/Win8  | 100% Retail  | 100% Xbox One 
First achievement unlocked in Fall 2009 | 100k on April 05, 2016
Sig courtesy of DethHolly.