Street Fighter II (also known as Street Fighter II: The World Warrior) is an unlicensed port of the fighting game by Capcom, developed by Hummer Team for the Famicom and published by Cony Soft under their Yoko Soft alias in 1992.
Mortal Kombat Mythologies: Gold 2000 is a pirated port of Mortal Kombat Mythologies: Sub-Zero for PlayStation and Nintendo 64, made for the Mega Drive and SNES by an unknown company.
Kart Fighter is an unlicensed 2D fighting game produced for the Nintendo Famicom. The game features unauthorized appearances by Nintendo's mascot Mario and the rest of the cast of Super Mario Kart in a port of Street Fighter II.
Dragon Ball: Final Bout is an unlicensed fighting game developed for the Sega Mega Drive. A re-release of the game was done two years later in 2000, but it's unknown if this re-release has any difference from the original 1998 release.
Dragon Ball Z: Final Bout is an unlicensed port of the Sony PlayStation game, Dragon Ball GT: Final Bout made for the Super Nintendo.
Mortal Kombat II is an unlicensed port of Mortal Kombat made by Hummer Team. Both Kart Fighter and AV Bishoujo Senshi Girl Fighting, which were released later, use an earlier version of this game's engine. Despite the title, this game is actually a port of the first Mortal Kombat. This was likely done as a form of selling the product as a sequel, a common trait with unlicensed NES games. While the game is mostly faithful to the original game graphics-wise, some features were cut from the game. These include fatalities and blood which are found only in Mortal Kombat II Special. Also Goro is the same size as the other characters, probably due to the NES's limitations.
Is a pirated port of Street Fighter II: Championship Edition, made by Cony Soft in 1993. This release only contains the original 8 fighters, with the bosses appearing in later variants. The presentation is more accurate to the real Street Fighter II than the re-releases/hacks that came afterwards. Like Cony's other games, the AI is considered to be unfairly difficult and is known to frequently spam specials. The special moves themselves are executed differently to the official Street Fighter II, requiring the player to press a direction on the D-pad plus A and B at the same time, with the exception of special moves that require to press a button repeatedly. The ending is a simple credits screen which appears in many of Cony's other games.
Mortal Kombat II Special is a pirated fighting game developed by Hummer Team and published by J.Y. Company. It is based on Mortal Kombat II. The fighting engine is modified from Mortal Kombat II, altering the special moves to make them function like they're supposed to and adding blood. The fatalities, however, are still missing from this game, with the fight simply ending when you win.
This game is a hack of Street Fighter II: Champion Edition, notable for modifying many gameplay aspects, the most noticeable being the ability to transform into other characters and being able to pull off special moves in midair. Some of the special moves were modified, such as the Hadokens, which can either home in on the opponent or travel extremely fast, as well as 7 different characters being able to execute them as opposed to just Ryu and Ken. Zangief moves noticeably faster in this game, and E. Honda can pull off Hadokens when performing his Hyakuretsu Harite. The graphics and music are identical to those in the original game aside from the title's logo, which is now rainbow-coloured, which is where this hack gets its name from. Although there are many different revisions of this hack readily dumped and emulated, several versions are still left undumped. The rampant craziness with these hacks and the popularity of arcade distributors putting these hacks in machines was one of the reasons behind the creation of the legitimate Street Fighter II: Turbo Hyper Fighting update.