#25: Roblox — Experimental Game Engine
David Baszucki built Roblox as a side experiment in physics-based simulation. Over time, it evolved into a platform where users could build and play games. Also, it became a space of online socialization and world building.

provided by constative.com
His once-niche side project became an entire digital universe with millions of creators and players — a metaverse before the term existed.
