[b]Sonic Adventure[/b] (ソニックアドベンチャー [i]Sonikku Adobenchā[/i]) is a video game created by [[Sonic Team]] and released on 23 December [[1998]] in Japan for the [[sega dreamcast|Sega Dreamcast]] and the first main Sonic the Hedgehog game to feature 3D gameplay.

The story follows [[Sonic the Hedgehog|Sonic]], [[Tails (Sonic)|]], [[Knuckles the Echidna|Knuckles]], [[Amy Rose]], newcomers [[Big the Cat]] and [[E-102 Gamma]], in their quests to collect the seven [[Chaos Emerald]]s and stop series antagonist [[Dr. Eggman|Dr. Robotnik]] from unleashing [[Chaos (Sonic)|Chaos]], an ancient evil. Controlling one of the six characters, with each with their own special abilities, players explore a series of themed levels to progress through the story.

It received a sequel in [[2001]], [[Sonic Adventure 2]], marking the 10th anniversary of the Sonic the Hedgehog series. In [[2003]], it received an enhanced port for the [[Gamecube|Nintendo Gamecube]] and [[PC]] titled [b]Sonic Adventure DX: Director's Cut[/b].

h4. External links
* "Sonic Retro: Sonic Adventure":https://info.sonicretro.org/Sonic_Adventure
* "Wikipedia: Sonic Adventure":https://en.wikipedia.org/wiki/Sonic_Adventure
ソニックアドベンチャー