Researchers couldn’t figure out this ancient Roman game. So they let AI play it thousands of times until it cracked the code.

Researchers used artificial intelligence to reconstruct the rules of a 2,000-year-old Roman board game discovered in the Netherlands.

The researchers named it Ludus Coriovalli, or the “Coriovallum Game,” and it can now be played online against a computer. An AI helped decode the game’s rules, and now a different AI opponent lets ...

Unlike the original Rubik’s Cube, which is content to live on your shelf until you need a brain exercise or go on a road trip ...