https://wccftech.com/metal-gear-solid-metal-gear-solid-2-rated/

Metal Gear, Metal Gear Solid, and Metal Gear Solid 2: Substance have been rated for a PC release.

As reported today by Gematsu, the three entries in the popular series have been recently rated in Taiwan for a PC release. The accompanying images seem to suggest that they will be rereleases of the older ports and not remakes.