Player's required attack(s)
Chaos 0 is the first boss in and Sonic Adventure . It is fought outside of the City Hall in Sonic Adventure DX: Director's Cut Station Square when the game begins.
The player controls
Sonic the Hedgehog during the boss battle. To defeat Chaos, all the player has to do is jump onto its brain to deal out damage. The player must dodge Chaos' attacks, while it is mainly extending its arms in an attempt to hit the player. After each hit, Chaos will turn into a puddle and move to a different location in the battlefield.
After one hit to the brain, it
spins around its axis while attacking with energy-charged fists. After two hits to the brain, Chaos will jump onto street lights surrounding the player and attempt to hit the player by extending its arms. After dodging these hits, it will eventually jump back to the surface, leaving him vulnerable for an attack. Once the player hits Chaos for the third time, it is defeated and the battle has been won. If the player fails to attack when Chaos returns to the ground, it will use the same attack when it has been hit two times.
Sonic Adventure Fight Against Chaos-0
Sonic is the only one who fights Chaos 0 in .
Sonic Adventure Despite appearing before Emerald Coast, this boss cannot be fought in the demo version on the Xbox 360.
If the player fight this boss again after gaining the
The falling animation of
Chaos. Ancient Light, it is possible to use the Light Speed Attack on Chaos while it is on the pole and finish it there. This can trigger a rare animation of Chaos where it will fall from the pole until it puddles on the ground.
Main article | Gallery | Beta Elements | Staff | Glitches | Re-releases ( DX | 2010) Scripts ( Sonic, Tails, Knuckles, Amy, Big, Gamma, Super Sonic)
Sonic ( Super Sonic) | Tails | Knuckles | Amy | E-102 Gamma | Big | Metal Sonic*
Dr. Eggman | Beta ( Mark II) | Chao | Chaos ( Chaos 1, Chaos 2, Chaos 4, Chaos 6, Perfect Chaos) | Cream* | Delta | Epsilon | Froggy | Grandma | Mr. Know-It-All | Pachacamac | Tikal | Unnamed Sonic robot* | ZERO | Zeta | Animals ( Deer, Elephant, Gorilla, Kangaroo, Koala, Lion, Mole, Parrot, Peacock, Penguin, Rabbit, Seal, Sea Otter, Skunk, Swallow)
Adventure Fields Egg Carrier | Mystic Ruins | Station Square
Emerald Coast | Windy Valley | Casinopolis | IceCap | Twinkle Park | Speed Highway | Red Mountain | Sky Deck | Lost World | Hot Shelter | Final Egg
Sky Chase | Sand Hill | Hedgehog Hammer | Twinkle Circuit | Boss
Beat | Bladed Spinner | Boa-Boa | Buyoon | Cart Kiki | Cop Speeder | Egg Keeper | Electro Spinner | Fighter Aircraft A | Fighter Aircraft B | Gola | Ice Ball | Icecap's unnamed aircraft | Kiki | Leon | mechanical fish | Pirate | Rhinotank | Sky Deck's unnamed jet fighter | Spiky Spinner | Sweeper
Chaos 0 | Chaos 2 | Chaos 4 | Chaos 6 | E-101 Beta | E-101 Mark II | E-102 Gamma | E-103 Delta | E-104 Epsilon | E-105 Zeta | Egg Carrier | Egg Hornet | Egg Viper | Egg Walker | Knuckles the Echidna | Perfect Chaos | Sonic the Hedgehog | ZERO
Techniques Playable characters
Bolt of lightning | Climb | Dig | Flight Mode | Glide | Hammer Attack | Hammer Jump | Hover | Homing Attack | Homing Missile Launch | Jump Attack | Laser Gun | Light Speed Attack | Light Speed Dash | Lure Attack | Maximum Heat Knuckles Attack | Pick | Propeller Flight | Punch Attack | Rapid Tails Attack | Spin Dash | Spin Hammer Attack | Spin Jump | Tails Attack
Arm Punch | Bomb Attack | Bomb Gun Attack | Charge | Double Punch | Earthquake Attack | Electric Arm | Energy Ball Attack | Flame Thrower Attack | Guiding Missiles | Instantaneous Liquefaction | Laser Beam Attack | Homing Tail Slice | Inhale Attack | Marble Attack | Phantom Shadow Move | Punch | Quarter Attack | Scorpion Attack | Shockwave Attack ( Chaos 6) | Sonic Boom | Spin Attack | Spinning Spike Attack | Spouting Attack | Squash Roll Attack | Swing Punch
Gimmicks and obstacles
Bumper | Bumper Car | Cannon | Conveyor Belt | Crank | Dash Panel | Dash Ring | Drum Can | Explosion Trap | Fan | Flipper | Fountain | Goal Balloon | Hanging Bell | Helicopter | Hint Box | Hint Orb | Icicle | Iron ball | Jump Panel (plate) | Jump Panel (ramp) | Laser field | Lit Panel | Mirror | Monkey Detonation Switch | Orca | Power cube | Rocket | Satellite | Slot machine | Spring | Spring Catapult | Switch | Teleporter | Trick Jump Panel | Wide spring | Wind Path | Zip Line
Air Bubble | Capsule | Cart pass | Chao Egg | Chaos Emerald | Doll | Emblem | Emerald Shard | Employee ID Card | Item Box ( 5 Rings, 10 Rings, Bomb, Extra Life, High-Speed Shoes, Invincibility, Lightning Shield, Random Rings, Shield) | Key Stone ( Gold Statue, Ice Stone, Silver Statue, Wind Stone) | Point Marker | Ring | Sandboard | Snowboard | Sonic Token
Level Up Items Ancient Light | Crystal Ring | Fighting Gloves | Jet Anklet | Jet Booster | Laser Blaster | Life Belt | Light Speed Shoes | Long Hammer | Lure | Power Rod | Rhythm Badge | Shovel Claw | Warrior Feather
English voice actors
Ryan Drummond ( | Sonic) Corey Bringas ( | Tails) Michael McGaharn ( | Knuckles) Deem Bristow ( | Eggman) Jennifer Douillard ( | Amy) Jon St. John ( | Big) Elara Distler ( | Tikal, Station Square Train Voice, Default Menu Voice) Steve Broadie ( | Gamma, Pachacamac, Mystic Ruins Train Voice) Tomoko Sasaki (
Japanese voice actors
Jun'ichi Kanemaru ( | Sonic) Kazuki Hayashi ( | Tails) Nobutoshi Canna ( | Knuckles) Chikao Ōtsuka ( | Eggman) Taeko Kawata ( | Amy) Shun Yashiro ( | Big) Kaori Asoh ( | Tikal) Jōji Nakata ( | Gamma) Tōru Ōkawa ( | Pachacamac) Kaho Kōda (Station Square Train Voice) | Nobutoshi Canna (Mystic Ruins Train Voice) | Elara Distler (Default Menu Voice) | Tomoko Sasaki (
Believe In Myself | It Doesn't Matter | Lazy Days | My Sweet Passion | Open Your Heart | Unknown from M.E.
Sonic Adventure Original Sound Track (Digi-Log Conversation) | Sonic Adventure Remix | Sonic Adventure: Songs With Attitude Vocal Mini-Album | Sonic Adventure Original Soundtrack 20th Anniversary Edition | Passion & Pride: Anthems with Attitude from the Sonic Adventure Era
777 Slots Pinball | Angel Island | Auto Running | Black Market | Card & Pinball | Chao Garden ( Station Square Garden, Mystic Ruins Garden, Egg Carrier Island) | Chao Stadium | Chao in Space | Chao Machine | Chao Search* | Corkscrew loop | Debug Mode | E-100 Series | Egg Carrier | Egg Carrier 2 | Emerald Radar | Freeze | Life gauge | Mission Mode | Mystic Ruins | Shrine of Knuckles's race | Shuttle loop | | Sonic Adventure (LCD) Station Square | Station Square Police Department | Tails' Lab | Tornado | Tornado 2 | Transporter Machine
. Sonic Adventure DX: Director's Cut