boardgame.io

Build turn-based multiplayer games with G, ctx, moves, and events.

Updated Sep 29, 2025

Search Tags:#typescript #javascript #framework #multiplayer #turn-based #boardgame.io

Ready to run

npx skills add https://github.com/cyotee/manamesh --skill boardgame-io

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: boardgame.io
Source: https://github.com/cyotee/manamesh/tree/main/.opencode/skills/boardgame.io
Command: npx skills add https://github.com/cyotee/manamesh --skill boardgame-io

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

boardgame.io provides a turnkey framework for building turn-based multiplayer games in JavaScript/TypeScript, handling game state, networking, randomness, and bot AI so developers can focus on core game logic.

Core Features & Use Cases

State management with G and ctx
Moves, events, and game flow (turns, phases, and stages)
Built-in client/server tooling for local and online multiplayer
Bot AI integration via MCTSBot and AI scaffolding
Plugins and secret-state support for privacy and extensibility
Rapid prototyping and education through reusable game templates

Quick Start

Define a simple Game object with setup and moves, then run it with a Local multiplayer client to test.

Frequently Asked Questions about boardgame.io

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I build a turn-based multiplayer game in JavaScript without writing custom networking logic?▼

You can build a turn-based multiplayer game by defining a structured game object with setup state, moves, and flow rules, letting the framework handle state management, networking, and randomness automatically.

Does boardgame.io support AI bots for testing multiplayer game logic?▼

Yes, the framework includes MCTSBot and AI scaffolding to integrate AI bots, allowing you to test and simulate multiplayer game logic locally without requiring human players.

How do I manage game state and player turns in a browser-based multiplayer title?▼

Game state and player turns are managed by separating user data into a G object and framework metadata into a ctx object, using built-in phases, stages, and events to control flow.

Can I use TypeScript to prototype and deploy online multiplayer board games?▼

Yes, the framework supports both JavaScript and TypeScript, enabling you to prototype and deploy browser-based online multiplayer board games with predictable state and type safety.

What is the best way to hide secret state from specific players in a multiplayer game?▼

The framework provides playerView and secret-state support, allowing you to configure the game object to filter and hide sensitive state data from specific clients during multiplayer sessions.

How do I run a multiplayer game prototype locally before deploying to a server?▼

You can run a multiplayer game prototype locally by using the built-in Local client backend to test game objects, moves, and turns before switching to the SocketIO backend for deployment.