>>713094862
You can play it right now bro. I played it a few hours ago.
https://allypal.github.io/SCCT_Versus_Reloaded/

>no company has ever even tried replicating it, not even the one that made it in the first place
Look up Spectre on steam. It was an attempt, but it's been abandoned by the players and the devs. But an attempt was made.
There's also the hope that the Splinter Cell remake that Ubishart is making may come with some form of multiplayer.