How to Enable Crossplay on Your Valheim Server
How crossplay works between Steam, Xbox, and Microsoft Store on Valheim servers.
Add -crossplay to startup parameters.
With crossplay, the server uses PlayFab relay networking — port forwarding is NOT required for external connections. Players connect via relay, join code, or browser.
⚠️ Crossplay is incompatible with client-required mods for non-Steam players. Server-only mods (like ValheimPlus) work if clients also have them.
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