Serious Sam Classics Revolution Today

: A brand new original campaign featuring 8 new maps and an exclusive boss.

I don't normally use many mods so I can't really speak for workshop support but my guess would be that Fusion has more support. .. Steam Community Serious Sam Classics Revolution

: Some users report performance issues , bugs in the new campaign, and desync problems in multiplayer. : A brand new original campaign featuring 8

The game has received mixed reviews from players on Steam and Reddit : bugs in the new campaign

Revolution or Fusion? :: Serious Sam Classics - Steam Community