The original MSX version was thought lost, so Muffie did an independent unofficial port of the 1989 Sega SG-1000 version to the MSX, which was a port itself from the MSX...
The original MSX version was thought lost, so Icon Games did an independent unofficial port of the 1989 Sega SG-1000 version to the MSX, which was a port itself from the MSX...