Building a Browser Game Where You Fly Through a Forest (It's Easier Than You Think)

A GIF started making the rounds on Reddit this week — a little bird weaving through a procedurally generated forest, all running in the browser. No Unity export. No Unreal Engine. Just the web platform doing what it does best. I've been building small browser games as side projects for years, and every time one of these goes viral, my DMs fill up with the same question: "How hard is this to build?" Honestly? Not that hard. Let me walk you through the core pieces. Why Browser Games Still Hit Different There's something about clicking a link and immediately playing a game. No install, no app store, no 2GB download. The friction is basically zero, which is exactly why these things spread like wildfire on Reddit. The modern browser is absurdly capable. Between Canvas 2D, WebGL, and now WebGPU starting to land in browsers, you can build surprisingly polished games without leaving HTML and JavaScript. The bird-in-a-forest game is a perfect example — it looks great, runs smooth, and lives in