One of the first incantations of this idea that I encountered, when I had just started working at my first corporate job back in the day, was Robocode ( https:/

One of the first incantations of this idea that I encountered, when I had just started working at my first corporate job back in the day, was Robocode ( https://robocode.sourceforge.io/ https://robocode.sourceforge.io/ ) - it was great fun, and I see it's still going.