https://retrogametalk.com/repo/sega\_genesis\_roms/v-r-fighter-2-vs-tekken-2-taiwan-sega-genesis/
Weird Bootleg that includes Virtua Fighter 2 with Fighting Vipers characters and Tekken 2 characters fighting each other in a Alternative Timeline game.
Also has an alt name to this game V.R Fighter vs Tekken 2
This is a hack of Ultimate Mortal Kombat 3 for the Sega Genesis. It adds nearly all legit characters from Mortal Kombat 1, 2, and Trilogy, and adds additional characters that were not in the former Ultimate Mortal Kombat Trilogy Patch now giving you a total of 50 playable characters! It also adds backgrounds, new moves, combos, finishing moves, and missing audio samples are restored. It’s the ultimate Mortal Kombat hack done again!
https://www.romhacking.net/hacks/596/
Mortal Kombat II Unlimited is a full scale hack of the Sega Genesis Mortal Kombat II game, Originally work on the hack ceased with version 07, but in 2011 version 1.0 was released which added many new graphical features.
Added a combo system;
Secret fighters now fully playable;
Bosses now fully playable;
More new sounds;
New Select Screen and Main Menu;
New stages and music from Mortal Kombat 1;
New moves such as Brutality;
New Game Modes such as Practice and Endurance;
Returned biographies/Endings/Intro/VS-screens from the arcade version;
and many more…