Sonic Unleashed: Chun-nan Adventure Pack

"This DLC introduces six new single-player missions in the Chun-nan region: - Four daytime stages featuring Sonic in high-speed platforming action - Two nighttime stages featuring the Werehog with combat-focused gameplay The pack includes remixed “Hard Mode” versions of existing levels, offering increased difficulty and replay value."

·Sega· March 12, 2009· DLC

This DLC introduces six new single-player missions in the Chun-nan region: - Four daytime stages featuring Sonic in high-speed platforming action - Two nighttime stages featuring the Werehog with combat-focused gameplay The pack includes remixed “Hard Mode” versions of existing levels, offering increased difficulty and replay value. Players must unlock the Chun-nan region in the base game to access this content.

Story

Having been broken apart by the evil Dr. Eggman, it's up to Sonic to put the pieces of the world back together again by retrieving the power of the chaos emeralds! In doing so, Sonic will find himself in a race against time and faced with an unusual situation that will challenge him in ways never before seen. Both day and night play different, yet important, roles in Sonic's newest quest... as the sun sets, a new adventure awakens.