Complex sentence: It is the 16-bit remake of the 8-bit game "Project Stealth Fighter", which was released for the Commodore 64 and ZX Spectrum in 1987; in 1992, it was also ported to the NEC PC-9801 in Japan only.
Split into simpler sentences: It is the 16-bit remake of the 8-bit game "Project Stealth Fighter", which was released for the Commodore 64 and ZX Spectrum in 1987. In 1992, it was also ported to the NEC PC-9801 in Japan only.