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 3 other Americans. The American side worked on "Sonic Spinball", while the Japanese side developed "Sonic the Hedgehog 3". Yuji Naka and Hirokazu Yasuhara were the primary creators of the "Sonic 3" design document and project schedule. The original prototype for "Sonic 3" was not a side-scroller; rather, it was an isometric game. The concept was abandoned early as the team did not want to change the "Sonic" formula too radically for a sequel. It was eventually used for "Sonic 3D Blast" in 1996. According to Naka, the team felt that they needed a deeper story to expand the world of