
Sprite/Picture:

Name: Sonic Adventure 2: Battle
Release Date: December 20, 2001 (Japan), February 12, 2002 (US), April 26, 2002 (Europe, before Gamecube was actually released!)
Developer/Publisher: Sonic Team/SEGA/Infogrammes
Console: Gamecube
No. Playable Characters: 6 (12 in multiplayer, 13 with secret characters)
Multiplayer mode: Yes
There is also a Kart Race mode for 1p and 2p modes. There is also a Chao Garden including Chao Races. This game was also the first game to use the Gamecube/GBA link up cable. It was used to exchange Chao data between SA2:B and Sonic Advance on the GBA.
Characters: Sonic the Hedgehog, Miles "Tails" Prower, Knuckles the Echidna, Shadow the Hedgehog, Dr Eggman (Dr Robotnik), Rouge the Bat, (multiplayer players are: Metal Sonic, Amy Rose, Chao, Chaos zero, Tikal, Dark Chao. Secret Kart Race character is Egg Robo)
Debut Characters: None
Stages:
Hero Side: City Escape, Metal Harbor, Green Forest,
Pyramid Cave, Crazy Gadget, Final Rush, Prison Lane, Mission Street, Route
101, Hidden Base, Eternal Engine, Wild Canyon, Pumpkin Hill, Aquatic Mine,
Death Chamber, Meteor Herd,
Dark Side: Radical Highway, White Jungle, Sky Rail, Final Chase, Iron Gate, Sand Ocean, Lost Colony, Weapons Bed, Cosmic Wall, Dry Lagoon, Egg Quarters, Security Hall, Route 280, Mad Space
Story:
Dark Side: After releasing the mysterious Ultimate Life Form, Shadow, Dr Eggman is invited to the Space Colony ARK, invented by his own grand father, Professor Gerald Robotnik. There Shadow reveals to Eggman the Eclipse Cannon, a weapon capable of destroying the entire world. But they need the seven Chaos Emeralds to charge the device. It is then they are interupted by Rouge the Bat who wishes to help them in their mission. All of them have secrets hidden from the others but this band of villains is bound to pose a serious threat to the safety of the planet.
Hero Side: Sonic is captured by a secret government organisation, GUN. After he escapes, he meets the person he was thought to be by GUN, Shadow the Hedgehog. After a brief confrontation in which Shadow shows off some of his talents, including Chaos Control using a stolen Chaos Emerald. Shadow then leaves Sonic on his own, but not for long as the police catch up with our hero. He is taken to the military base on Prison Island. There he is rescued by Tails and Amy. Meanwhile Knuckles in confronting Rouge. She is trying to steal the Master Emerald. Suddenly, Eggman appears to take the emerald for himself. At this point, Knuckles is forced to smash the emerald into many pieces. Now our heroes are assembled, but is it to late to defeat the forces of the Eggman Empire?
Chaos Emeralds (out of 7)

Sonic Adventure 2: Battle is the first Sonic game on a non-SEGA home console. It is basically the same game as SA2 on the Dreamcast but with many new features. As well as improved graphics on all modes and slightly modified ip stages, it includes a much expanded multiplayer mode. All the 'secret' characters from SA2 multiplayer are available to play from the start each with new sound bites. There are a lot more stages available from the start with more unlockable. The Kart Race mode has extra costumes available when characters have all their missions complete without needing 'A's. There is also an improved Chao garden in which more stuff is available like the Black Market and Fortune Teller. A new mode is availabe in the Chao Stadium as well, Chao Karate. This game is still one of the top selling games on the Gamecube and is often in the charts.