I love this so much. I know someone made a game inspired by Conway's Game of Life, was this it? Because I can totally see it! It's incredibly satisfying to slowly grow bigger and bigger and more and more unstoppable, but it balances itself as they get distracts (which I just love so much). At one point my little troop was completely wiped, but I scrolled around and found another group like twice the size of what I had had doing their own thing. I think this was a fantastic application of the concept!