What we know
A page titled "skate. 3 — Fan Game", from the community list this site started with. We have not confirmed whether it is a recompilation. The separate Skate 3 Recomp project is a native Windows/Linux/macOS port that needs files from your own copy.
Links
Coverage
Deep dive in progress
This page is a short entry. The full write-up (original game, who built the port, how to play, creators and sources) comes next.
We have not confirmed whether it needs your own game files. Unofficial fan project: it can be removed without notice. Not legal advice. Never run a launcher or download from a page you do not trust.