Mecha Sonic in Sonic the Hedgehog (aka Mecha Sonic in Sonic 1) is a hack created as a proof-of-concept by Iron Sonic of Sonic the Hedgehog for the Mega Drivein which the player plays as Mecha Sonic from Sonic & Knuckles. The controls are the same as in the original Sonic 1, save for the ability to perform the Spin Dash. Each sprite has been edited, and the player size and other aspects of the Sonic object have been changed to accommodate Mecha Sonic's larger size.Whilst the game is mostly playable, there are certain areas in the game that Mecha Sonic cannot complete due to his increased size; prime examples of this includeSpring Yard Zone and Scrap Brain Zone.

Turrican is a 1990 video game programmed and designed by Manfred Trenz. It was first developed for the Commodore 64 by Rainbow Arts, but was ported to other systems later. In addition to concept design and character creation, Trenz personally programmed Turrican on the Commodore 64. A sequel, Turrican II, followed 1991 for the Commodore 64 and other platforms.

Mega Man: The Wily Wars, released in Japan as Rockman Mega World (ロックマン メガワールド?) is a video game compilation by Capcom for the Sega Mega Drive. The game features remakes of the first three Mega Man games (Mega Man, Mega Man 2, and Mega Man 3) that were originally released for the Nintendo Entertainment System, and is a pseudo-sequel of sorts for these titles. The Wily Wars was released in cartridge format in Japan and PAL regions. The North American Genesis version was available exclusively via the Sega Channel service.

Metal Fangs (メタルファング, Metarufangu?) is a futuristic racing video game by Victor Entertainment made for the Sega Mega Drive in 1993.

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 in Sonic the Hedgehog 2 is a hack of Sonic the Hedgehog 2 created by Darkon360/GothicReaper/LoneDevil. It stars Metal Sonic as the playable character instead of Sonic the Hedgehog. The hack comes with 3 different playstyles for Metal Sonic.