Some but it's pretty rare. Earthbound spawns more and more enemies when it detects a legit version isn't being played and will break on the final boss if you ma

Some but it's pretty rare. Earthbound spawns more and more enemies when it detects a legit version isn't being played and will break on the final boss if you make it that far. It's a bit more common on home computer games I think because the barrier to copying a floppy or CD is much lower than a cart but it's still a lot of effort to add.