Sonic the Hedgehog platforming of the main levels. The 16-bit "Sonic the Hedgehog " consisted of a giant rotating maze, which many considered a major technical achievement. The most common special stages, however, were segments with the character running through a long tunnel to collect certain items. 3D "collect item" levels, as in "Sonic 3" and "Sonic & Knuckles", used the same perspective but had Sonic collecting all the blue-colored orbs on the surface of a giant sphere. Finally, "Sonic Advance 2" employed a 3D ring-collecting stage, and "Sonic Chaos" ("Sonic and Tails" in Japan) used a variety of gimmicks for its levels.
Sonic the Hedgehog (OVA) Sonic the Hedgehog (OVA) Unlike other "Sonic" animations prior to "Sonic X", the OVA did not star Jaleel White as the voice of Sonic, nor was it produced by DiC Entertainment. Unlike other "Sonic the Hedgehog" media, the setting of the series is the world of Planet Freedom, which is split into two distinct realms: The Land of the Sky, and the Land of Darkness. The Land of the Sky consists of an unknown number of continents that drift high in the stratosphere of the planet, all of them connected to a massive ice formation which also serves to anchor