Local testing via Unity's Multiplayer Play Mode

Multiplayer Play Mode (MMPM) is Unity's official solution for local multiplayer testing, available from Unity 6.

Pros

  • Short iteration times

  • Tighter integration within the Editor, doesn't require multiple (standalone) Editors open

Cons

  • Requires Unity 6+

  • Can be more resource demanding than just running builds

How to use?

  • Install MPPM as described in their Installation Instructions

  • Open Window > Multiplayer Play Mode

  • Enable up to 4 virtual Players

  • Make sure that the baked data is up-to-date before starting to test, and that the Replication Server is running with the latest schema

  • Enter Play Mode

coherence tells apart virtual Players from the main Editor, so it's easier for you to not edit assets in clones by mistake.

Inspecting a CoherenceSync on a virtual Player

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