Egg Foot ( エッグフット Eggufutto ) ? is the boss of the  Ocean Base in . It is piloted by Sonic Advance 3 Dr. Eggman.
Similar to the
Egg Frog, Egg Foot is mostly green with black and yellow stripes on it. On top of it is where the Egg Mobile and G-merl is located.
During the battle, the Egg Foot leaps up (its legs being the only thing visible upon leaving the screen) and moves back and forth across the screen, before stopping and dropping back to the ground, attempting to squash the characters. The only way to attack this boss is to be right between both legs as the machine drops and nail Eggman in his cockpit. Take note, however, that after a few hits Eggman will occasionally pull the "feet" of the mech inward, blocking the opening for attack and creating a shockwave across the ground (he is especially prone to doing this during the "Pinch" portion of the fight).
The machine will explode after eight hits (six on Easy mode), forcing Eggman and
G-merl to retreat and allowing the player to advance to Toy Kingdom.
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Sonic ( Super Sonic) | Tails | Knuckles | Amy | Cream | Cheese
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 | Box ( 1-Up, 5 Ring Bonus, 10 Ring Bonus, Confusion, Invincibility, Minus Ring, Maximum Speed, Mosaic, Random Ring Bonus, Ring Magnet, Shield, Slow, Swap, Transparency) | Capsule | Chaos Emerald | Checkpoint | Factory Ring | Goal Medal | 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 Canna ( | Knuckles) Taeko Kawata ( | Amy) Sayaka Aoki (
Angel Island | Chao Playground | Corkscrew loop | Fly Type | Freeze | Mini-Game | Power Type | Shuttle loop | Sonic Factory | Speed Type | Time Attack | Tornado 2