Sonic The Lost Land Game

As Sonic explores an uncharted new area, he must dash through seven levels of enemies and traps. The music for this hack is dynamically chosen based on the act you are playing, and the bonus stage consists of the six Chaos Emeralds.

Sonic Mania Edition

Sonic Mania Edition

Sonic Mania Edition is a rom hack that draws inspiration from the Sega Genesis version of the first Sonic the Hedgehog game and also incorporates certain features from the future Sonic Mania game. It is a timeless platform game that gives the Sonic Franchise a fresh look. It came out in 2016.
Sonic 2 Revamped

Sonic 2 Revamped

Even though this Sonic hack is still in beta, it has a lot to offer.
Sonic Pinball Party

Sonic Pinball Party

Sonic must triumph in the Egg Cup Tournament in Casinopolis if he is to free Amy and Tails from Eggman's mind control.
Sonic 1 Flash Flood

Sonic 1 Flash Flood

Includes rain and intermittent flooding, weather mechanics, new levels, and auto level choose!
Sonic Zeta Overdrive

Sonic Zeta Overdrive

including Bean the Dynamite as a playable character, 11 new stages, new music, new moves, and new sprites.
Mean Bean Machine MS

Mean Bean Machine MS

A game in the puzzle genre with a Sonic or, in this case, Dr. Robotnik theme. To clear the beans, stack beans of similar colors.