Sonic Games

If you choose anniversary mode, you can spin dash. There is also a hidden juke box room somewhere...

This rom hack translates Sonic for Sega over to the NES while also making all kinds of improvements.

Featuring Sonic, Tails, Amy, and Knuckles, Sonic must traverse a hack with all new enemies and stages

This rom hack is just Sonic 1 but you get to play as Tails. There are no new level designs or anything.

This Sonic 2 hack has a watery theme to it. Whether there are actually Ice Knights or Crocodiles is another matter entirely.

A time attack game that lets you choose any act and level (including bosses) to try to get the best time possible

A fun sonic hack that begins with the Sapphire Vale Zone and continues from there. All new level designs.

Metal Sonic replaces Sonic as a playable character and has 3 different play styles to choose from

Battle against Dr Robotnik across 6 zones in this old school Game Gear classic

The Game Gear version has tighter areas making for harder gameplay and a different set of music tracks too