Sonic Games

This rom hack only features new graphics and different zone names but is otherwise Sonic 2

A nice looking hack with new stages for Sonic and Tails to conquer in their quest to defeat Dr Robotnik

Has Sonic gone crazy? Not quite. He just looks blue... light blue actually

Control Sonic, Tails, or Knuckles in this combination effort of Sonic 1 and Sonic 2

Climb, swim, fly, and glide your way through this awesome hack that leans on exploration and has new music and enemies

This rom hack focuses on exploration and completing missions such as acquiring Chaos Emeralds or defeating bosses

Play as Sonic, Mighty, Shadow (choose in options) in this awesome mix up rom hack of Sonic the Hedgehog

All new levels, new bosses, and ramped up difficulty in this fast moving Sonic rom hack

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

Choose from Sonic, Tails, Knuckles or even play as all 3 at once! Has elements and abilities from Sonic 3 as well.

One of the first Sonic hacks. All new music and palettes. Also Green Hill Zone has new level layouts to play.

An award winning hack. Each level gives you specific challenges to complete such as Time Attack or Ring Grab.

Play as Sonic, Tails, and/or Knuckles. Features a mish mash of Sonic 1 levels, fan made levels, and deleted levels.

This Sonic hack is still in its beta version but it has a lot to offer nonetheless

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

An incredibly well done Sonic hack that lets you double jump. Wall breaks only possible after you get Emerald monitor.

Sonic and Tails are held together by rings they carry and must race through each level against the clock

40 mini levels with various themes to challenge you. Unlock new levels as you go. No bosses or plot.

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