Pac-Man Xtreme is a ROM hack of the Namco version of Ms. Pac-Man for the Nintendo NES. Officially released by KaBooM! on September 17 2016, it is much more than a simple maze/level hack. Pac-Man Xtreme introduces new features, functions, and selectable options which make playing it a truly unique experience. Almost every single aspect of the original Ms. Pac-Man game has been altered… graphics, sounds and music, levels, even gameplay mechanics. In essence, Pac-Man Xtreme is a new commercial-quality game reprogrammed around Ms. Pac-Man’s engine and is thus virtually unrecognizable from its predecessor.
Please continue with the following description in romhacking
You need the original ROM to patch “Ms. Pac-Man (Namco)(U).nes”
Recommended Emulator for NES