unity-multiplayer-agent-skills

Build real-time multiplayer games in Unity (C#) targeting mobile and WebGL2 browsers using Colyseus or Nakama game servers with WebSocket transport. Covers client-server architecture patterns, state synchronization (prediction, interpolation, rollback), Schema-based serialization, room/match lifecycle, matchmaking, reconnection, and cross-platform deployment. Use this skill whenever building Unity multiplayer games, integrating Colyseus or Nakama, handling WebGL2 networking constraints, optimizing multiplayer performance for mobile or browser, choosing between game server frameworks, or deploying multiplayer backends. Also trigger when the user mentions real-time networking in Unity, WebSocket client setup, authoritative servers, lobby/room systems, or network state sync — even if they don't say "multiplayer" explicitly.