Sonic the Hedgehog is a mobile phone game released for the Sonic Cafe service offered by Sega in 2005. It is a port of the original Sonic the Hedgehog released for the Sega Mega Drive, and it was later ported as Sonic the Hedgehog Mobile by Sega Mobile.
||Sonic | Dr. Robotnik | Animals (Flicky, Pocky, Pecky, Cucky, Ricky, Picky, Rocky) | Tails* | Knuckles* | Super Sonic* | Super Tails* | Super Knuckles*
||Moto Bug | Buzz Bomber | Chopper | Crabmeat | Newtron | Caterkiller | Batbrain | Roller | Spikes | Burrobot | Jaws | Orbinaut (Unidasu, Uni Uni) | Bomb | Ball Hog
||Green Hill Zone | Marble Zone | Spring Yard Zone | Labyrinth Zone | Star Light Zone | Scrap Brain Zone | Final Zone | Special Stages
||Egg Mobile-H | Marble Zone boss | Spring Yard Zone boss | Labyrinth Zone boss | Star Light Zone boss | Egg Pistons
||Spin Jump | Spin Attack | Spin Dash* | Insta-Shield* | Propeller Flying* | Glide* | Climb*
||Ring | Video Monitor (Super Ring, Shield, Power Sneakers, Invincibility, Extra Life, S*, Flame Shield*, Aqua Shield*, Thunder Shield*) | Continue | Spring | Lamppost | Bumper | Switch | Air Bubble | Bonus Point | Signpost | Giant Ring | Capsule | Jump Stand | Up and Down | Reverse | Goal
||Blue Sphere | Bomb | Chaos Emerald | Color Block | Conveyor Belt | Crusher | Fan | Fire Statue | Fireball Cannon | Giant spear | Debug Mode | Electric Generator | Flywheel | High-speed elevator | Iron ball | Madonna | Movable box | Rotating platform | Original Soundtrack | Promotional Comic | Shuttle loop | Sonic the Hedgehog Band (Max, Mach, Sharps, Vector) | Seesaw | South Island | Spikes | Splats | Story Comic | Time Attack | Totem Pole | Winding Tunnel
*Exclusive to the 2013 re-release of Sonic the Hedgehog.