Here is a cross platform game that is coming soon that will allow all of the platforms (pc, mobile, vr), weird story but it is a multiplayer only game so I guess it doesn;t really need much of one:
AN ALTERNATE REALITY
In an alternate future where the Roman Empire never fell, enslaved Gladiators do battle in vast space arenas, entertaining their captors whilst fighting for freedom…
Checkout the game here: https://www.vanguard.game/