The "Mario 64 Sonic Edition Plus V2.2.2 Rom" appears to be a modified version of the classic Nintendo 64 game Super Mario 64, merged with elements from the Sonic the Hedgehog series. This type of project is often created by fans and enthusiasts who use ROM hacking techniques to alter the original game.

Mario 64 Sonic Edition Plus V2.2.2 Rom Guide

The "Mario 64 Sonic Edition Plus V2.2.2 Rom" appears to be a modified version of the classic Nintendo 64 game Super Mario 64, merged with elements from the Sonic the Hedgehog series. This type of project is often created by fans and enthusiasts who use ROM hacking techniques to alter the original game.