Eleven out of thirty years: the Mega Drive run, the Adventure games, and the modern ones that are actually good.
Teams of three switched on the fly, speed, power and flight in one control scheme.
Two campaigns, the Chao garden, and City Escape - the last Sonic game Sega made for its own console.
Open zones for the first time, with a grind rail bolted to a hillside and titans to climb.
Time travel through four versions of every zone, and two soundtracks depending on where you bought it.
An alien amusement park in orbit and the Wisp powers; the game that pulled the series out of its worst decade.
Six characters, a killer whale and the Dreamcast's launch.
The two halves that lock together into one long game; the peak of Genesis Sonic.
The Genesis Sonic made by fans, officially; the best Sonic since 1994.
Classic and modern Sonic through the series' best levels; the birthday game.
Green Hill Zone at speed; Sega's answer to Mario in 1991.
Tails, the spin dash and Chemical Plant; the best of the Genesis Sonics.
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