Metal Sonic Hyperdrive is a heavy modification of Sonic the Hedgehog by Darkon360/GothicReaper/LoneDevil for the Sega Genesis. with brand new Zones, New Music, Extra playable characters, and Modes. Starting Metal Sonic, taking Sonic's role as the main protagonist to stop Dr'Robotnik's greatest inventions yet. Also starting special guests such as Kirby, and Somari.

Metal Sonic in Sonic the Hedgehog is a hack of Sonic the Hedgehog created by Darkon360/GothicReaper/LoneDevil. It stars Metal Sonic as the playable character instead of Sonic the Hedgehog. The game is modified to use Metal Sonic's sprites in place of Sonic's. The hack comes with 4 different play styles: The Original, Sonic 2Spindash, Sonic CD, and Sonic CD 2011.

Metal Sonic Rebooted is a complete heavy modification of Sonic the Hedgehog 2 by Lone Devil for the Sega Genesis. it features an extensive amount of new art, layouts, mechanics, music, and features that in total creates a different experience.StoryDr'Robotnik has built an advanced army of badniks to search for the Chaos Emeralds, and it's up to Metal Sonic to find the emeralds before them by destroying everything in his way to show Robotnik he shouldn't be replaced.CreditsKCEXE - Music and SFX ports from various Genesis/Megadrive gamesEduardo Knuckles - Music for Magma FactoryClownacy - Sonic 2 Clone Driver v2Dark Sonic - Hardware Testing for v1.1

Metal the Hedgehog is a hack of Sonic the Hedgehog where Sonic and Tails are replaced by Metal Sonic and Charmy Bee. Made by Kampfer.

Mickey Mania: The Timeless Adventures of Mickey Mouse is a 1994 platformer video game developed by Traveller's Tales and published by Sony Imagesoft for Sega Mega Drive/Genesis, Mega CD, and Super NES. In the game, the player controls Mickey Mouse, who must navigate through various side-scrolling levels, each designed and based from classical Mickey Mouse cartoons from 1928 to 1990. The game was later released on PlayStation in Europe and Australia as Mickey's Wild Adventure and was later released in Europe and Australia on the PlayStation Store on July 10, 2012. The box stated that Mickey Mania was the first video game to feature animations by real Disney animators. This is also known as the first game that video game designer David Jaffe worked on.

Midnight Resistance (ミッドナイトレジスタンス, Middonaito Rejisutansu?) is a side-scrolling action shooting game produced by Data East for the arcades in 1989. The game was ported by Data East to the Sega Mega Drive in 1990 and by Ocean Software to various home computer platforms during the same year. The game is set in a dystopian future where the player controls a member of a resistance movement who goes on a mission to rescue his kidnapped family from a mad scientist.

Might and Magic III: Isles of Terra is the third game in the role-playing video game series Might and Magic. Released in 1991, it is the predecessor to Might and Magic IV: Clouds of Xeen and the sequel to Might and Magic II: Gates to Another World.

Mighty the Armadillo is a hack of Sonic the Hedgehog for the Sega Mega Drive/Genesis by Yuski. The hack features Mighty the Armadillo, who appeared in bothSegaSonic Arcade and Knuckles' Chaotix. Features include new art, palettes and layout for Green Hill Zone.Mighty the Armadillo is one of the oldest ROM hacks, with work on it starting in June 2000 with the help of Gen-SMS. It has since been discontinued in order for Yuski to work with Esrael on Sonic Gaiden.