Sega made available today the first set of download content for Sonic World Adventure. Xbox 360 and PS3 players can download the new "Chun-nan Adventure Pack" today, priced at 300 yen for the PS3 and 250 Microsoft Points for the 360.

Chun-nan Adventure Pack includes bonus stages and missions set in the game's Chinese-like "Chun-nan" stage. Players will find four day stages and two night stages.

Screenshots of the new download pack.

Sega says that it plans on offering further download content for the game periodically.