Sonic's Friends Join Mega Man, Proto Man, Rush And Duo In An Epic All-out Battle Against The Combined Forces Of Dr. Eggman And Wily In A Heroic Attempt To Rewrite Two Realities And Save Their Home Worlds! It Won't Be Easy, But Sonic And Mega Man Have Made Their Careers Out Of Overcoming The Impossible! This Sonic/mega Man: Worlds Collide Deluxe Edition Compiles The Entire Worlds Collide Story From The Very Start To The Very End For The First Time Ever!