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Interest groups reduce Photon bandwidth by delivering messages only to subscribed clients, but a 255-group limit per client and version-specific plugin APIs require careful handling.
Use Photon Realtime Interest Groups to filter updates inside a single room. Assign networked entities to group IDs and have clients subscribe only to relevant groups to cut bandwidth and CPU without splitting the room.
photonengineTasadduq Burneyowner34.8K rep · 23 Jun 2026, 15:34 UTCStop sending every player's position to every client. Use Photon Realtime Interest Groups to subscribe only to nearby grid cells.
photonengineTasadduq Burneyowner34.8K rep · 28 Feb 2026, 22:57 UTCAssign objects to Interest Groups and subscribe clients only to relevant groups to reduce bandwidth and client CPU in Photon multiplayer games.
photonengineTasadduq Burneyowner34.8K rep · 24 Aug 2026, 04:17 UTCUse Room Properties for declarative matchmaking and Interest Groups for in-game culling to control fan-out in Photon Engine Rooms, with explicit reliability choices per message type.
Learn when to enable Photon Interest Groups, how they compare to other filtering methods, and see a concrete Unity-PUN 2 implementation with verification steps.
Learn how Photon Realtime Interest Groups let you limit network updates to relevant zones, cutting bandwidth in large multiplayer games with a simple setup and clear verification steps.
photonengineTasadduq Burneyowner34.8K rep · 01 Sept 2025, 22:36 UTCLearn how to use Photon Engine Interest Groups to receive only relevant network events in a Unity multiplayer game, with a zone‑based subscription example, limits, and common pitfalls.
Learn how Photon PUN Interest Groups let you scope network traffic to relevant players, reducing bandwidth in Unity multiplayer games with a concrete shooter example and practical trade‑offs.
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