Taking the player into an Act.
Act Rings  are gimmicks that appear in  . They are a type of Sonic Advance 3 Giant Rings which can take the player into Acts.
Act Rings are slightly smaller than
Giant Rings. They float in midair and have a black center with a number from one to three inside them.
Three Acts Rings can be found inside each Zone Map in
. Upon being touched, the playable characters will disappear briefly and the player will begin the Act of that Sonic Advance 3 Zone corresponding to the number in the Act Ring. Upon completing an Act, a little golden crown will appear above its Act Ring. Chaos Angel's Zone Map also features a large metallic Act Ring with a red Eggman Empire decal on it that leads to Altar Emerald.
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Sonic ( Super Sonic) | Tails | Knuckles | Amy | Cream | Cheese | Vanilla | Eggman | G-merl ( Ultimate G-merl) | Chao | Omochao
Eggman | Vanilla | G-merl ( Ultimate G-merl) | Chao | Omochao
Zones Route 99 | Sunset Hill | Ocean Base | Toy Kingdom | Twinkle Snow | Cyber Track | Chaos Angel | Altar Emerald | Nonaggression | Special Stage
Akatento | Aotento | Ape | Bu-bu | Buzzer | Clam | Condor | Gaogao | Gekogeko | Ginpe | Guards | Guruguru | Hariisen | Jousun | Juggling | Kamaki | Kyacchaa | Marrun | Minimole | Muugaden | Spina | Takkon | Uutsubo | Yadokka | Yukigasen
Egg Hammer 3 | Egg Ball No.2 | Egg Foot | Egg Cube | Egg Chaser | Egg Pinball | Egg Gravity | Hyper Eggrobo | Ultimate G-merl
techniques Regular moves
Amy Dash | Big Hammer Attack | Boost Mode | Bound Attack | Chao Attack | Chao Ball Attack | Chao Spinning Attack | Dash Climb | Double Mid-Air Glide | Double Punch | Drill Claw | Fire Sliding | Flying | Floating Fall | Grinding | Hammer Attack | Hammer Jump | Hammer Propeller Flying | Head Slide | High Propeller Flying | Hip Drop | Homing Attack | Jump Dash | Leap | Mid-Air Dash Glide | Propeller Flying | Mid-Air Chao Attack | Mid-Air Chao Ball Attack | Mid-Air Chao Spinning Attack | Mid-Air Glide | Mid-Air Hammer Attack | Mid-Air Hammer Jump | Skid Attack | Spin | Spin Dash | Spin Jump | Super Sonic Boost | Spinning Hammer Attack | Spiral Upper | Tag Action | Tail Spin Attack | Tail Swipe | Tornado Attack | Upper Spin | Wall Climb | Wind Attack
Mid-Air Trick Actions Big Air ( Happy Spring, Hop Jump, Petit Step) | Long Wind Jump ( Humming Top, Sweet Roll, Window Jump) | Stop 'n' Slam ( Bound Attack, Spinning Hammer Attack, Propeller Descent, Hip Drop)
Gimmicks and obstacles
Balloon | Bungee Rope | Dash Panel | Flywheel | Grind Rail | Gymnastic Bar | High-speed warp tube | Iron ball | Jump Panel | Minecart | Platform-raising Wheel | Pole | Pulley | Propeller Spring | Seesaw | Snowblower | Special Spring | Switch
Act Ring | Chaos Emerald | Factory Ring | Goal Medal | Item Box ( Invincibility, Maximum Speed, Ring Magnet, Shield, 1-Up, 5/10/ Random Ring Bonus) | Ring | Special Key
English voice actors
Ryan Drummond ( | Sonic) Deem Bristow ( | Eggman) William Corkery ( | Tails) Scott Dreier ( | Knuckles) Jon St. John (Announcer) | Jennifer Douillard ( | Amy) Sarah Wulfeck (
Japanese voice actors
Jun'ichi Kanemaru ( | Sonic the Hedgehog) Chikao Ōtsuka ( | Eggman) Ryō Hirohashi ( | Tails) Nobutoshi Kanna ( | Knuckles) Taeko Kawata ( | Amy) Sayaka Aoki (
Angel Island | Chao Playground | Corkscrew loop | Fly Type | Freeze | Power Type | Shuttle loop | Sonic Factory | Speed Type | Time Attack | Tornado 2