# Multiplayer Game Server

**Category:** Software & Apps · **Status:** Done

WebSocket multiplayer backend - multi-room, sync, spectator.

**Stack / Tools:** WebSocket, Python, FastAPI, Real-time

**Build path:**
- V1 — Single room.
- V2 — Multi-room with room codes.
- V3 — Spectator mode + reconnect.

**Location:** `~/demos/game-server.html`

Full build spec already in this prompt file (FastAPI + WebSocket ECS game server + host/client .pkg).