I’ve played this video game.

https://www.cnn.com/2023/02/06/world/jupiter-new-moons-scn/index.html

«Sheppard and his team believe that these moons are remnants of at least seven larger moons that broke apart when they collided with other moons, asteroids or comets. The fracturing of these moons led to the creation of hundreds of smaller moons, Sheppard said.»