Project 3: YCN -- Past Anniversaries - SEGA

For Sonic's 10th Anniverary SEGA released an CD album to commemorate it. They took music from a variety of the Sonic games. You could buy it separately or in the Anniversary Pack which also contained a copy of Sonic Adventure 2, the CD, an information booklet and a 10th Anniversary Coin in a presentaion case.

 

 

 

Also they released 500 Crystal Cubes with sonic in:

Anniversary logos:

 

And recently SEGA has released there teaser site with there design on the 20th logo

SEGA teaser site