Metal Gear, Metal Gear Solid, Metal Gear Solid 2: Substance and Konami Collector's Series: Castlevania and Contra have been rated for PC in Taiwan. Gematsu spotted the ratings on the Taiwan Digital Game Rating Committee website, suggesting that PC ports for some of Konami's most famous titles may be on their way to PC. This would mark the first port of Metal Gear Solid to PC since its initial CD-ROM launch in the year 2000.