Tutorial: Build a Multiplayer Browser Game with TypeScript, Phaser, and MongoDB

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A new developer tutorial published on DEV Community walks through building a real-time multiplayer browser game using TypeScript, Phaser, Socket.io, and MongoDB. The game places two players on a canvas for 30 seconds, where they compete to collect the most randomly spawned coins, with all game logic managed server-side via WebSockets. MongoDB stores player accounts, match records, and leaderboard data, leveraging its flexible document model and atomic operators to handle concurrent updates without complex application-level coordination. The backend is built with Express, Socket.io, Zod, and the official MongoDB Node.js driver, while the frontend uses Phaser and Vite, with the two sides communicating only at runtime over HTTP and WebSockets. The full source code is available on GitHub, and readers need Node.js 18+, a MongoDB instance, and two browser tabs to follow along.

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