Sonic 20th Anniversary
Latest Updates
Sega Celebrates Sonic's 20th Anniversary
2011-06-23 - iPhone app and more as Sonic celebrates an anniversary that's divisible by five. Read More »
Alternate Sources
セガ、iPhone/iPod touch「Sonic 20th Anniversary」配信開始、ゲームや「ソニック」の最新ニュースが配信される無料アプリ ( Impress Watch )
Sonic 20th Anniversary iPhone App Coming This Week
2011-06-21 - Sega announces latest developments at big Odaiba anniversary bash. Read More »
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