how to play more than 2 players online ???

[schmogmog]

You can set your Steam Remote Play to pref speed over quality. In Steam click at the [Steam] button (upper left hand corner). Then [Settings] -> [Remote Play] and tick "Fast". Confirm with ok.

An other alternative would be the free cloudgaming software Parsec: https://parsecgaming.com/downloads/
Optimizations: https://www.youtube.com/watch?v=Zb2SHIxBlSg&t=2m12s 2:12-3:22min