Sonic Adventure

Sonic Adventure is a video game from the Sonic the Hedgehog series. It was the very first Dreamcast game. It was released in Japan on November 27, 1998, in North America on September 9, 1999 and in Europe on October 14, 1999. It is the first Sonic game to have 3D surroundings, instead of 2D surroundings like the other Sonic games had. It was released in Japan as one of five launch titles. It also has a sequel called Sonic Adventure 2.
Gameplay.
The object of the game is to get all of the Chaos Emeralds by playing different characters from the Sonic series, in order to defeat Dr. Eggman. Each character has their own level, each with a specific purpose. For example, Knuckles has to find and put together all of the pieces of the Master Emerald. The list of playable characters are:
Sonic Adventure DX.
Sonic Adventure DX: Directors Cut is an advanced version of Sonic Adventure released for the Nintendo GameCube and Microsoft Windows in 2004. It was later released on PSN, XBLA and Steam. It contained a new "Mission Mode", a Mini-Game collection [only on GameCube and Windows versions] and allows the player to play as Metal Sonic once they get all 130 emblems. It is famous for being full of glitches.