Riding the L train this morning and had to share what I learned building my first WASM game this weekend. Spoiler: it's basically the Swiss Army knife of web development.  

Why WebAssembly for Games?

I wanted to port an old C++ side-scroller I made in college. Traditional approach would be rewriting everything in JavaScript, but WASM let me compile the existing code directly.

The good: Near-native performance in the browser. My collision detection runs at 60fps without breaking a sweat.

The surprising: The toolchain is actually really smooth now. Emscripten handled most of the heavy lifting.

The gotcha: DOM manipulation still needs to go through JavaScript. WASM isn't replacing JS - they're dance partners.

One Killer Feature

The ability to share complex algorithms between platforms is game-changing. Same physics engine running on web, mobile, and desktop from one codebase.

For Fellow Devs Getting Started:

• Start with a simple math-heavy function
• Don't try to WASM everything - use it where performance matters
• The Rust → WASM toolchain is *chef's kiss*

Anyone else building cool stuff with WebAssembly? Drop your experiments in the comments - I need more weekend project inspiration!