Known as The Super Shinobi II in Japan, Shinobi III is regarded by many as the high point of the series. It introduced a much smoother, faster style of gameplay while keeping the series' familiar trademarks firmly intact. The game marked Musashi's last appearance in a Shinobi game until Shinobi was released in 2002 for the PlayStation 2. At least two known beta versions of Shinobi III are currently in circulation, featuring almost completely different levels from the final game.

Shinobi III: Return of the Ninja Master, released in Japan as The Super Shinobi II (ザ・スーパー忍II?), is an action game developed and published by Sega for theMega Drive/Genesis console that was released in 1993. It is the direct sequel to the previous The Revenge of Shinobi. The game was originally intended to be released in 1992, and to be very different from the final version of the game in terms of levels and storyline.This hack is for beginners, It gives the player 99 lives to be able to finish the game.

Slap Fight (スラップファイト?), also known as Alcon, is a 1986 vertically scrolling shooter arcade game developed by Toaplan and published by Taito.

Hellfire Saga By Hardline Team is a hack based on sonic 3 is part of sonic hacking contest 2021, please consider supporting the team if you like it. Sonic finds his realm transformed, merging with the demon realm to form a nightmarish scape littered with legions of hungry-for-blood demons. Help Sonic to escape from hell and return to his home world!DEMOGeneral credits:Narcologer - Project lead, programming, main game and story concept, some boss and enemy sprites, custom powerupTheBlad768 - Main programming, creating the HAGE engine, some boss and enemy sprites, cutscenes, blood, weather effects, SEGA and title screen implementation, sound driver modification.FoxConED - Hardline team leader, music creation, programming, sound driver modification.mrcat-pixel - Art direction, level design, tileset and background art, sprite art, writing help.VladislavSavvateev - Programming, HardLine screen implementation, sound driver modification, tool programming.AURORA☆FIELDS - AMPS sound driver, programming, moving lava and parallax engine implementation.Gerry Trevino - Composing the main theme.GENATAR_i - Music creation.Ralakimus - Programming, HUD implementation.Hotmilk - Writing.VAdaPEGA - Sprite art.Trickster - Sprite art.Sergey ESN - Sprite art.Nat the Porcupine - Sprite art.Sosocheck69 - Concept artist.ProjectFM - One of the bosses and its sprite art.cuberoot - Programming development tools.N-BAH - Programming development tools.SHooTeR - General help, programming development tools.Solareyn Eylinor - Directing cutscene animation.malamus - Testing and feedback.Vladikcomper - Programming, improved Kosinski, Nemesis alghorithms, Advanced Error Handler.Flamewing - Ultra DMA Queue, improved Kosinski Module alghorithm.Featuring enemies and bosses from:Castlevania (Bloodlines, Rondo of Blood, Dracula X, Symphony of Night, Super ~ 4, Java);Ghosts n Goblins (ARCADE), Ghouls n Ghosts, Super Ghouls n Ghosts;Kid Chameleon;The Legend of Zelda: A Link to the Past;Splatterhouse 2;Demon's Crest;Sparkster: Rocket Knight Adventures 2;Castle of Illusion Starring Mickey Mouse;GS Mikami,which have been edited by sprite artists to fit the game's artstyle where time permitted; additionally, featuring character sprites from:Shinbaloonba - Sonic;Gabriel_aka_Frag - Rouge;Skylights - Tikal;teamhedgehog - Honey;EchidKnux - Death,also edited where possible. (Please excuse the messy placeholders, we're working on it!)Featuring music from:Actraiser;Rusty;Castlevania (Super ~ 4, Portrait of Ruin, Symphony of the Night, Aria Of Sorrow)Elemental Master;Ultimate Mortal Kombat 3;Dragon's Fury;Gerry Trevino;Periphery,covered by our musicians.

Sonic 1 Definitive is a hack named by RadiantNexus Team, which seeks to reimagine Sonic 1 by rearranging levels. remixing music, adding features from future games, and readding scrapped ideas in new and interesting ways.Major features:3 acts of reimagined level design, including one act that has yet to be fully reimagined in any other hack.A miniboss.Massive art overhaul all over the place.Music made by ProjectFM and MechaKnuckles.Menus!A custom splash screen.There's been massive engine overhauls as well, including the Sonic 3 level layout format for massive levels, and the Sonic 3 object manager to go alongside this.

Sonic 1 With Fries is a hack of Sonic the Hedgehog for the Sega Mega Drive/Genesis by Team Fries. The last version was released in October 2009.

A work in progress hack based on sonic the hedgehog made by Animemaster.This was meant to be a little side project to Sonic 1: Sonic CD Edition I was having problems so I starting something really small. I liked the idea, and ran with it.Robotnik has got a plan to go back in time, but not like in Sonic CD, further back. I feel like he's done this before though. It's a beta, so there are unfinished art and stuff.