Sonic the Hedgehog (2001 Sonic Cafe)

Sonic the Hedgehog 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.