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Due to the popularity of Sonic the Hedgehog in the 90's and 2000's, many pirated hacks were made out of already existing games, mainly on the Famicom/NES, by replacing aspects of them to be centered around Sonic the Hedgehog.

NES hacks[]

These games were pirate hacks that were released on original Famicom cartridges.

Super Mario & Sonik 2[]

Main article: Super Mario & Sonik 2
Super Mario & Sonik 2 - Title screen

Super Mario & Sonik 2 select player screen.

Super Mario & Sonik 2 is a pirate hack of Chip 'n Dale Rescue Rangers 2 for the Famicom in 1994, Unlike the original game, it starts up with the option of choosing between four pairs of characters, all of whom behave identically:

  • Mario & Sonic
  • Chip and a green Chip (Dale in-game)
  • Mario & Luigi
  • Sonic and a Red Sonic

Mario's sprites are edited from Super Mario Bros. 3, but Sonic's are completely custom and poorly drawn. The Chip sprites were reused from the original game.

SNES hacks[]

Sonic-themed hacks of licensed games made for the SNES.

Sonic the Hedgehog / Sonic the Hedgehog 4[]

Main article: Sonic the Hedgehog (SNES)
Sonic the Hedgehog (SNES) Title screen

Sonic the Hedgehog's title screen.

Sonic the Hedgehog (also known as Sonic the Hedgehog 4) is an unlicensed game for the SNES by Peruvian scene organization Twin Eagles Group. It is a hack of Speedy Gonzales: Los Gatos Bandidos. Notable features include Sonic's new ability to kick, and missions to free Marios from cages (upon which the latter exclaims his name). On some emulators, the game freezes completely after four levels.


Sonic the Hedgehog 2[]

Main article: Sonic the Hedgehog 2 (SNES)
Sonic the Hedgehog 2 (SNES) Gameplay

Gameplay of the fan recreation of Sonic the Hedgehog 2

Sonic the Hedgehog 2 is a hack of the SNES version of Sparkster made by Twin Eagles Group, the company responsible for Sonic The Hedgehog (also known as Sonic the Hedgehog 4). This game was released in May 1998, but evidence of an original cartridge existing or a dump of it being made has yet to surface, and the final ROM built by Twin Eagles Group was lost. Despite this, a fan-made recreation of the hack based on the remaining original graphics files provided by a Twin Eagles Group member was made in the early 2010s, and is currently the common ROM for this game.

Other hacks[]

Sonic-themed hacks of licensed or hobbyist games made for other consoles.

Sonic 6[]

Main article: Sonic 6

Sonic 6 (Not to be confused with the 2006 game Sonic The Hedgehog, which is commonly referred to online as "Sonic '06") is a pirate hack for the Game Boy released in 1998 credited to "Sonic World". It is a minor graphical hack of the 1993 Speedy Gonzales Game Boy game by Sunsoft.


Sonic the Hedgehog Megamix[]

Sonic the Hedgehog Megamix (often shortened to Sonic Megamix) is a fan-made hack of the original Sonic the Hedgehog game made by Sonic Retro members, Team Megamix. The project started as a Sega Mega Drive hack, and has moved to the Mega CD because of its more powerful hardware. It is an extensive reworking of the original game, featuring new art, music, abilities, layouts, and other things. The game was cancelled more than once and was completely cancelled in 2016, however some of the stuff that was in the hack are being recycled for a new game.

This Sonic fan hack is notable for being the first and only one to be released on cartridge (by pirates).

Grand Theft Auto: Sonic Rings[]

Main article: Grand Theft Auto: Sonic Rings

Grand Theft Auto: Sonic Rings is a modded version of Grand Theft Auto: San Andreas created by Geomatrix for the PlayStation 2 and released in 2007.

Sonic the Hedgehog 2 (Simon Wai prototype)[]

The Simon Wai prototype of Sonic the Hedgehog 2 is a widely distributed prototype build of Sonic the Hedgehog 2 for the Sega Mega Drive, which features some incomplete zones. It was found by Simon Wai on a Chinese website in 1998.

This particular prototype of Sonic the Hedgehog 2 is one of the most popular examples of a prototype build of a video game making its way to the public through piracy. However, this is official Sega software, albeit with some common pirate modifications (removal of logo/copyright info).

See also[]