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 (TV series) wipe out his enemies. The Freedom Fighters launch a full scale assault against Robotnik, Sonic and Sally destroying the Doomsday Project with the power of the Deep Power Stones. Robotnik vanishes, and the Freedom Fighters declare victory, with Sonic and Sally kissing. In a final scene, Snively becomes the main antagonist, accompanied by an unseen ally with red eyes. Ben Hurst, one of the series' writers, confirmed the figure was Naugus. The Saturday morning series differs from the weekly "Adventures of Sonic the Hedgehog", which premiered the same month. While "Adventures" is lighthearted and comical, "Sonic the Hedgehog" featured a