All Games

Sonic the Hedgehog Megamix (commonly shortened to Sonic Megamix) is a work-in-progress multiperson disassembly modification of the original Sonic the Hedgehog videogame for the Sega Mega Drive / Genesis, developed by Team Megamix and more recently moved to the Sega Mega-CD. The game features the ability to play as one of five different characters: Sonic the Hedgehog, Mighty the Armadillo, Shadow the Hedgehog, Miles "Tails" Prower, and Knuckles the Echidna. It is an extensive reworking of the original game, featuring new art, music, abilities, layouts, and other things.

Sonic The Hedgehog Open Source Project

Sonic the Hedgehog Plus (often called Sonic 1 Plus) is a hack of Sonic the Hedgehog by Hivebrain. The hack is basically the same as the original game, except with a number of extra features and bugfixes.

Sonic ReOne is a hack created by DeltaWooloo which takes Sonic back to where he originally started 29 years ago in South Island. This hack features new palettes that cycle through every act just from bright morning to dark evenings. Iconic features from classic Sonic games arrived in this hack (see the features below) Eggman pumped up his bosses to make it harder when you annoy him by hitting him. The level design is a mix between linear and platforming which is something you see in Sonic games, but be careful that you don't go too fast. Eggman placed badniks and springs to prevent you from going to the end. The music is catchy and fun to listen to and suits the mood of the zones.

CREDITS

Level designs: DeltaWooloo with some help from Dj. Joker27

Music composers: Dj. Joker27, RuthlesstheHooman, TheInvisibleSun and JoenickROS, LackofTrack

Palette designers: DeltaWooloo, RuthlesstheHooman, maple_t and KCEXE

Coders: DeltaWoolooand RandomName

Title Screen logo made by me

People who helped me along the way: Iso Kilo, AUORA_FIELDS (Natsumi), MarkeyJester, Samey, ProjectFM, Tanman Tanner, Trickster, Inferno, RuthlesstheHooman, nineko, KCEXE and Dark Lips

Spindash guide by Lightning, Puto, shobiz, Mecury

Shield attract and bug fixes from Mecury's ReadySonic

Peelout and CD spindash by LuigiXHero and Mecury

Sonic CD roll jump and slow ducking, title screen centering and fix Sonic 1 debug by Iso Kilo

Fade to white routine and removing water surface object by ProjectFM

Air roll by Inferno

Sonic 2 spring object, coconuts and stars by RandomName

Correcting PAL music by Crash

Starposts by Shooter

Sonic 3 and CD SFX: KCEXE

Route 113 SMPS by ProjectFM

Snake Man SMPS by ValleyBell

Sonic Heroes Special Stage 2 by S_T_D

A few bug fixes and Nemesis and Kosinski decompression by vladikcomper

Sonic the Hedgehog Thrash is a ROM hack of Sonic the Hedgehog 2 by DalekSam, though it was originally a hack of Sonic 1. It also uses the Sonic 2 Clone Driver.

You can also play as Knuckles, credit given to Spanner for the Knuckles object among other things. Honestly, I tried doing it myself but I failed, hard.

As of August 2013, the project has since been rebooted from scratch.

Sonic The Hedgehog ZX (also known as Sonic 1 ZX or S1HZX for short) is a hack made by CarrascoZX0 and his team, Team ZX. This hack features the ability to play as Sonic the Hedgehog or Knuckles the Echidna. The hack also features new art, abilities, level layouts, music and much more!

Sonic Egg on Toast Eddition is a Sonic 1 hack made by Team Cinossu.

Sonic the Hedgehog Extended Edition is a hack in progress by Cinossu of Sonic the Hedgehog on the Sega Mega Drive/Genesis. In this version of the game, instead of new or fully edited zones, all the original zones are kept intact with minor editing to the acts. Instead, this hack extends the game beyond its original capabilities, including a zone map with warp rings to each act (much like in Sonic Advance 3), saving via SRAM slots (like in Sonic the Hedgehog 3), obtainable upgrades such as the Spin Dash and Super PeelOut (like in the Megaman X series) as well as a new type of ring, emerald, and special stage to add to the mix.

While work has not been shown on the hack for a while publicly, a lot of work goes on in private. This is mostly Cinossu either restarting the entire thing from scratch (currently on the 5th restart since conception), or constantly adding and refining new features and ideas. The latest restart is most likely the last one, however, as the disassembly is now so modular that the various chunks can be restarted rather than the entire hack.

Sonic the Hedgehog: Isle of Magnetic Artifacts is a sonic hack made By Neo Team Kyukyoku

is a hack which aims to overhaul Sonic 1 using a Japanese-inspired aesthetic. The main feature of this demo is Blossom Gardens Zone, the resting area of the isolated, star-god worshipping Kuratranos tribe. BGZ is a fast-paced experience littered with swift-acting enemies, height-granting gimmicks, driving music, and advanced graphical effects. This new zone can be traversed with three playable characters: Sonic the Hedgehog, Miles "Tails" Prower, and Knuckles the Echidna. Sonic, in particular, features a set of unique sprites, the dropdash ability, and a new companion: Abbey the Flicky. Abbey can pick up nearby rings and circle potential targets for Sonic, including hidden monitors.

Neo Team Kyukyoku Members

• AngelKOR64: Character programming
• Chron D: Music arrangement
• DeltaWooloo: Level layouts, music arrangement, object ports, programming, sound effects
• DaxKatter: Music arrangement
• Dio-ZX: Character art, object art
• Drag109: Level art
• fuzzy: Level art, programming
• iced t: Level art, object art
• Inferno: Level layouts
• Inktitious: Level art
• Jerry: Level layouts
• KatKuriN: Level art
• KGL: Level layouts
• Kurk: Team Leader, level layouts, music arrangement, music composition
• ManiacShard: Object art
• NaotoNTP: Object art
• ProjectFM: Creative direction, level art, music arrangement, music composition, programming, story planning
• Raendom: Programming
• Rivet: Programming
• two^: Concept art
• yami: Level layouts, music composition

Former Members

• AmzroSevca: Concept art, story planning
• Gemini0: Former team leader, general art, level layouts, programming
• jrm1007: Concepts, object art
• Haz Rabbit: Concept art, programming
• lavagaming1: Programming
• NotQuiteHere: Music arrangement
• poly: Logo, music arrangement
• Mr. Gandy: Character art
• XGSOAP: Character art

Playtesters

• Accel
• BladeOfChaos
• Certainly Glitchy
• Cosmic Eternity
• DaxKatter
• fengish
• GGK912
• Hooded Edge
• KCEXE
• KNIJohn
• Matty
• Meara Blanchette
• MCTravisYT
• Professor Renderer
• PX
• Sleekflash-16
• Sr Paradoxo
• soapyy
• TheInvisibleSun
• UnusualSeeker

Resources

• AsuharaMoon: Wind-Up Koi sprites
• AURORA☆FIELDS: SMPS2ASM and AMPS
• CartoonsAnimate22: Tails and Knuckles sprites
• CuckyDev: GHZ ball base
• flamewing - Ultra DMA Queue + optimized Kosinski (improved by vladikcomper and MarkeyJester) and Enigma decompression code
• Lone Devil: Metal Sonic sprites
• MainMemory: SonLVL and Drop Dash programming guide
• MarkeyJester: DualPCM and sound test
• Mikel Nash: Sonic 3-style super sonic sprites
• Observer: Sprite rips
• ShibaMayo: ShibaSaturn sprites
• snkenjoi: Flex 2
• The Eighth Bit: Space Queens MIDI
• TheOneMusaab: Sonic 2: The Alternative Sprites
• tildearrow: Furnace
• Teck: Super Mario Land - Ending Theme MIDI
• vladikcomper - optimized Nemesis decompression code
• ValleyBell: mid2smps, SMPS Converter, SMPS Research Pack
• VladislavSavvateev: DMF2AMPS

Assets From:

• Capcom no Quiz Tonosama no Yabou
• Cave Story
• Freedom Planet
• High Seas Havoc
• Mega Man Series
• Michael Jackson's Moonwalker
• Ristar
• Sangokushi Retsuden: Ransei no Eiyuutachi
• Shinobi III
• Sonic Series
• Touhou Project Series

Sonic the Hedgehog Revelation (or Sonic Revelation) is a hack of Sonic 1 by Animemaster. This hack has many features and will continue to increase them, while the product is under way. It also plans a new zone, made of instruments known as music land. Although the creator hasn't decided on whether the art would be good enough yet. The hack contains the three hedgehogs Sonic, Shadow, Silver as they join to face Eggman once again.

Sonic the Trollface is my Sonic the Hedgehog hack. I've been working on it for about a year now, on and off. I started it on a Windows XP Virtual Machine on my iMac, until I finally sorted out my computer. The demo started as a mini hack, where I tried to make the game as difficult as possible by changing mechanics. I'm pleased to say it's nothing like that anymore, and is a lot more forgiving (though you most likely won't be speeding through the stages, unless you are Razor and Zenon - then you will be :P).

The goal of this hack is to provide a fun twist on a tired formula. I won't give away some of the edits, but they are pretty cool. It does make it a bit difficult, but I believe in you! You can win the game! Rather than trying to speed through stages and rack up rings, instead you want to try and speedrun the tricky maneuvers in the stages. You've seen hacks that spam enemies, and this isn't one of them. Difficulty should come in the mechanics, not by having too many dick moves in the levels.

Sonic Time Of Changes

Sonic Uno was first started under a contest between Super and Robjoe to see whom could create the better hack all on their own. Super, excited with the project, quickly got underway redesigning Marble Zone while Robjoe put it off. On day 2 of the contest, Robjoe immediately forfeited, claiming art could not be more foreign to him. Super, already the victor, liked the direction he had taken and decided to put off his floundering S3K hack, Final Hope.

Sonic Winter Adventures

"Sonic X Freedom Planet" that's "Sonic Cross Freedom Planet". A game that crosses the universes of [Sonic The Hedgehog] and [Freedom Planet].
You will be able to play as [Three] characters once we've managed to implement them all.
This hack came about after I completed the hit indie game "Freedom Planet" which started off as a Sonic fan-game.
Ever since beating it I've always wondered how Lilac would look and feel in the Sonic environment. And this is the start of something great I feel.
This hack made by "Team Chasers" and based on Sonic 1.

Sonic XE is a hack based on Sonic 2 made by XE Team.

Features

-New palettes
-Music changes
-Sonic 2 Clone Driver
-Other minor ASM changes
-New zone name
-New layout
-Sprite changes
-Super Peelout, credit to Baraksha for helping

Credits:

Selbi - For Sonic Text Code Generator thing
MainMemory - For SonLVL
Stealth - For SonED2
Xenowhrl - For SonMapEd

Sonic Xero v3.0 is an unfinished hack of Sonic the Hedgehog by Blazer.

Sonic Zeta Overdrive is a hack of Sonic the Hedgehog 2 for the Sega Mega Drive by Mikel. Plans as of now include adding the Centisecond timer.

Sonic Zoom! a sonic 1 hack made by LooneyDude

Sonic's Fun and Easy Adventure is a hack by Novedicus. It's based off of an optimized version of the Sonic 3 & Knuckles engine and is made to be played on the Sega Mega Drive.

This project was created and released for the Hacking Expo of SHC 2017. The hack has many objects and elements ported over from Sonic the Hedgehog, Sonic the Hedgehog 2, Sonic the Hedgehog CD, and Sonic the Hedgehog 3 that were considered to be the most frustrating parts of those respected games and was made to resemble Sonic CD for aesthetic reasons.

This hack also uses a technique similar to Sonic 3D Blast's FMV process to create a completely custom Sega Screen. Something not seen in many Sonic ROM hacks.