Sonic 2 Addendum it aims to create an enhanced, definitive version of the original game by restoring and reimagining content from unused beta versions and prototypes, alongside adding modern quality-of-life improvements.
The project reimagines the original West Side Island adventure with a narrative focused on Dr. Robotnik’s "terraformation scheme," which has transformed classic zones into surreal, expanded environments filled with new secrets and branching paths.
Sonic the Hedgehog in Giant Jungle is a ROM hack of the original Sonic the Hedgehog for the Sega Genesis. This hack is defined by its experimental "tiny Sonic" gimmick, which shrinks the character's sprites to give the player a much wider view of the surrounding level, though the terrain assets remain at their original size.
Flickyhack is a unique and challenging ROM hack of Sonic the Hedgehog for the Sega Genesis. Unlike standard hacks, its core mechanic revolves around avoiding the Flickies, when you destroy a Badnik, the liberated Flickies become hostile "turncoats" that actively attack Sonic rather than helping him.
Sonic: Christmas Trouble is a festive, high-quality ROM hack of the original Sonic the Hedgehog for the Sega Genesis. First released for the Sonic Hacking Contest 2017, the project is a complete seasonal overhaul that replaces the standard levels with winter-themed environments.
Sonic the Hedgehog: A New Adventure is a ROM hack of the original 1991 game for the Sega Genesis. The project centers on a unique narrative where Sonic and Tails explore a reality-distorted South Island following the escape of a trapped, god-like chinchilla entity.
Sonic Vania blends the fast-paced platforming of Sonic the Hedgehog with the interconnected world exploration and backtracking mechanics of the Metroidvania genre.
Sonic 3 Ultimate is a hack of Sonic 3 & Knuckles that aims to give an upgrade to the game. Graphics have been updated and multiple bugs have been fixed.
Sonic 1 Co-op is a ROM hack of the original 1991 game for the Sega Genesis. This modification completely overhauls the base engine to support local, split-screen cooperative gameplay, allowing a second player to join as either Tails or a duplicate Sonic.
Oviraptor Hazard is a memory-based puzzle game. Utilizing the same core gameplay mechanics as Treasure Hunt, this version features a prehistoric setting where players control a Dinosaur on a quest to rescue its lost egg. At the beginning of each stage, the map is briefly uncovered to show the safe paths and the locations of dangerous obstacles or predators; once the layout is hidden, the player must rely on their memory to navigate the treacherous terrain safely and guide the dinosaur back to its egg without hitting any unseen hazards.
Sharing the exact same core mechanics as Table Magic, this version swaps the treasure chests for a prehistoric theme, where players must keep a close eye on a set of dinosaur eggs. After showing which egg hides a baby dinosaur, the game rapidly shuffles them across the screen, challenging the player’s focus and visual tracking skills to successfully pick the right egg.
Sonic 1 on Bird Hill Island is a ROM hack of the original Sonic the Hedgehog for the Sega Genesis. The hack features extensive level redesigns, including reimagined zones like Bird Hill (Green Hill), Mysterious Marble, and Bird Park (Spring Yard).