SRB2? I haven't played that thing in forever. :v: Really, it's just a modified version of Doom. But it's still fun.
Chemical Plant Zone and The Doomsday Zone. God, they are just awesome. The tension of Doomsday Zone, and techno-like feeling of Chemical Plant...
Conspiracy Plant Zone.
Super Sonic is over-rated. In almost EVERY Sonic game, Sonic needs to be either Super Sonic or some kinda of [insert long name transformation]...
Separate names with a comma.