Rumor: Sonic Generations DLC, stage list and boss fights leaked

Green Hill Zone
Chemical Plant Zone
Sky Sanctuary Zone
Speed Highway
City Escape
Seaside Hill
Crisis City
Rooftop Run
Planet Wisp

Casino Night Zone

Boss fights
Metal Sonic
"Death Egg"
Perfect Chaos
Egg Dragoon
Boss LastBoss(TimeEater) (That's just what the file calls it.)

The free demo for Sonic Generations launched today to celebrate Sonic%26rsquo;s 20th anniversary and will be available on Xbox LIVE and the PlayStation Network for the next 20 days.

Jun 23, 2011

Source: viaGameInformer