Episode I:
Splash Hill
Casino Street
Lost Labyrinth
Mad Gear
E.G.G. Station
Special Stage
Episode II:
Sylvania Castle
White Park
Oil Desert
Sky Fortress
Death Egg mk.II
Asteron
Batbot
Bubbles
Burrobot
Buzzer
Chopper
Crawl
Jaws
Moto Bug
Newtron
Orbinaut
Shellcracker
Slicer
Balkiry
Clucker
Chop Chop
Fullboar
Mantis
Flamer
Relief
Sandworm
Scarabesque
Snowy
Spikes
Steelion
Turtloid
Zoomer
Босс Splash Hill Zone
Босс Casino Street Zone
Босс Lost Labyrinth Zone
Босс Mad Gear Zone
Босс E.G.G. Station Zone
Egg Serpentleaf
Metal Sonic (босс White Park Zone)
Босс Oil Desert Zone
Metal Carrier
Босс Death Egg mk.II Zone