Sonic the Hedgehog will be 34 years old this year, and just in case you wanted to brush up on the complex lore of the series, Sega has released a complete official timeline, stretching from "tens of ...
Sonic The Hedgehog 2 and Sonic The Hedgehog 3, of course, feature split-screen multiplayer races. Sonic Rivals and Sonic Rivals 2 on PSP are entirely based around two-dimensional races.