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|title=Sonic the Hedgehog (2001 Sonic Cafe)
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Sonic the Hedgehog (ソニック・ザ・ヘッジホッグ) is a mobile phone game released as part of the Sonic Cafe service offered by Sega. In this game, the player is Sonic running though zones in typical style - collect rings, defeat Badniks, get score based on clearing a level quickly and collecting lots of Rings. The game was created as part of Sonic's 10th birthday celebration, and was a freebie download between June 18 and July 31, 2001.