Star ( スター Sutā ) ? is an enemy that appears in  . It is a mass-produced, star-based Sonic Advance 2 Badnik model created by Dr. Eggman.
As its name suggests, the Star is shaped like a regular five-point star; it has a floating orange "body" protected by a shell composed of five pink triangles, which the star can open and close at will.
The Stars only appear in
Techno Base. In gameplay, the Stars will hover in stationary position, waiting for the player to draw near; once they detect someone nearby, they will close themselves in their shells and spin in place, making them invulnerable to any attacks. The player must then wait for the enemies to stop spinning and open up from their shells in order to defeat them.
Main article | Beta elements | Gallery | Staff | Glitches
Sonic ( Super Sonic) | Tails | Knuckles | Cream | Cheese | Amy
Dr. Eggman | Vanilla | Guard Robo | Chao | Animals ( Deer, Elephant, Gorilla, Koala, Kangaroo, Lion, Parrot, Peacock, Penguin, Rabbit, Seal, Sea Otter, Skunk, Swallow) | Flicky
Zones Leaf Forest | Hot Crater | Music Plant | Ice Paradise | Sky Canyon | Techno Base | Egg Utopia | XX | True Area 53 | Special Stages
Balloon | Bell | Buzzer | Circus | Flickey | Geji-Geji | Gohla | Hammerhead | Kiki | Koura | Kubinaga | Kura-Kura | Kyura | Madillo | Mon | Mouse | Pen | Piko Piko | Spina | Star | Straw | Yado
EggHammerTankII | Egg Bomber Tank | Egg Totem | Aero Egg | Egg Saucer | Egg-Go-Round | Egg Frog | Super Eggrobo Z | True Area 53 boss
Techniques Regular moves
Amy Dash | Boost Mode | Bound | Chao Attack | Chao Rolling Attack | Double Spin Attack | Drill Claw | Double Punch | Flying | Grinding | Hammer Attack | Head Slide | Homing Attack | Jump Dash | Mid-Air Glide | Mid-Air Hammer Swirl | Propeller Flying | Spin Attack | Spin Dash | Spiral Attack | Skid Attack | Step Attack | Super Hammer Attack | Super Skid | Super Sonic Boost | Super Tails Swipe | Tail Swipe | Wall Climb
Mid-Air Trick Actions Big Air ( Happy Spring, Hop Jump, Petit Step, Spiral Upper) | Long Wind Jump ( Burning Straight, Humming Top, Sweet Roll, Window Jump) | Stop 'n' Slam ( Bound, Drill Claw, Mid-Air Hammer Swirl, Propeller Descent, Soft Bomber) | Quick Reverse ( Back Attack, Back Rotor, Back Star, Milky Turn)
Gimmicks and obstacles
Bumper wall | Cannon | Dash Panel | Fan | Gravity Control Switch | Grind Rail | Gymnastic Bar | Iron ball | Jump Panel | Pole | Rotating platform | Spikes | Spring
Box ( 1-Up, 5 Ring Bonus, 10 Ring Bonus, Attack, Brake, Confusion, Invincibility, Magnetic Barrier, Maximum Speed, Mosaic, Random Ring Bonus, Shield, Warp) | Chaos Emerald | Checkpoint | Ring | Special Ring
Auto Running | Chao Bounce | Chao Search | Corkscrew loop | Freeze | Time Attack | Time Over | Tiny Chao Garden | Shuttle loop | Winding Tunnel