UI elements in Dark Crusade and Soulstorm seem to be broken making the game very difficult to play. I've seen this posted a lot on ProtonDB as well - people seem to think it's more specific to Arch/CachyOS/Manjaro Updati...
Don't know if this is related to the linked PR but Relic put out a hotfix today where they claim to have fixed the issue. > [Fixed a desync that led to a crash in Multiplayer games where players on Windows & Linux (Steam...