The author mentions it's based on that, but totally rewritten. "The program uses a simple genetic algorithm to evolve random two-wheeled shapes into cars over

The author mentions it's based on that, but totally rewritten. "The program uses a simple genetic algorithm to evolve random two-wheeled shapes into cars over generations. Loosely based on BoxCar2D, but written from scratch, only using the same physics engine (box2d). seedrandom.js written by David Bau. (thanks!)"