Mario Invades MPB was a ROM hack uploaded to romhacking.com in 2024, that has since been deleted. It contained one Star and included a boss fight with a retextured King Bob-omb.
There was a singular playable level over course one called MPB Offices, and the Act played on was called Save Freecorn1854 From Evil MPB!
Gallery[]
Monument outside the level
The boss fight
Act select screen