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Steam News19 June 202617d ago

Patch ver 2.0.2: Co-op now runs direct between players.

Summary: Co-op no longer routes gameplay through the hosted server. Players connect directly: same-WiFi is instant over the local network, and players across the internet go peer-to-peer with the server only handling lo

Full notes

Full Mycelium Conquest update

Read the full published notes in a cleaner layout. The original post stays linked below.

What changed

0 fixes0 additions5 changes2 removals
  • Server
  • Gameplay
  • Performance
removedSummary: Co-op no longer routes gameplay through the hosted server. Players connect directly: same-WiFi is instant over the local network, and players across the internet go peer-to-peer with the server only handling lobby matchmaking. Loading a co-op save now takes the host to the lobby first with each player's slot reserved, Start locked until everyone is back, and the saved world restores structures and placement correctly. A handful of performance and polish fixes round it out: large-base production is faster, lobby visuals are smoother, the pause tag no longer flickers on remote players, and the window reliably reopens on its last monitor.
changedDirect connection between players — server now only handles the lobby and matchmaking; all gameplay runs peer-to-peer with no server in the middle.
changedSame-WiFi players connect instantly over the local network, no internet needed.
changedCo-op structures, consume, and placement sync correctly.
changedLarge-base performance improved — production lookups optimized for bases with many structures.
changedFullscreen and lobby visuals smoother — reduced metaball and fullscreen render overhead.

Mycelium Conquest changes

removedSummary: Co-op no longer routes gameplay through the hosted server. Players connect directly: same-WiFi is instant over the local network, and players across the internet go peer-to-peer with the server only handling lobby matchmaking. Loading a co-op save now takes the host to the lobby first with each player's slot reserved, Start locked until everyone is back, and the saved world restores structures and placement correctly. A handful of performance and polish fixes round it out: large-base production is faster, lobby visuals are smoother, the pause tag no longer flickers on remote players, and the window reliably reopens on its last monitor.
changedDirect connection between players — server now only handles the lobby and matchmaking; all gameplay runs peer-to-peer with no server in the middle.
changedSame-WiFi players connect instantly over the local network, no internet needed.
changedCo-op structures, consume, and placement sync correctly.
changedLarge-base performance improved — production lookups optimized for bases with many structures.

Summary

Co-op no longer routes gameplay through the hosted server.

Players connect directly

same-WiFi is instant over the local network, and players across the internet go peer-to-peer with the server only handling lobby matchmaking. Loading a co-op save now takes the host to the lobby first with each player's slot reserved, Start locked until everyone is back, and the saved world restores structures and placement correctly. A handful of performance and polish fixes round it out: large-base production is faster, lobby visuals are smoother, the pause tag no longer flickers on remote players, and the window reliably reopens on its last monitor.

Changes:

  1. Direct connection between players — server now only handles the lobby and matchmaking; all gameplay runs peer-to-peer with no server in the middle.

  2. Same-WiFi players connect instantly over the local network, no internet needed.

  3. Loading a co-op save now goes to the lobby first — each player's slot is reserved, and Start waits until everyone has rejoined.

  4. Co-op structures, consume, and placement sync correctly.

  5. Large-base performance improved — production lookups optimized for bases with many structures.

  6. Fullscreen and lobby visuals smoother — reduced metaball and fullscreen render overhead.

  7. Pause tag no longer flickers on other players' nameplates.

  8. Window position and monitor remembered — borderless/fullscreen restores to the correct monitor, windowed mode stays centered on its last screen.

Source

Steam News / 19 June 2026

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