If you don't use the models or watch the demos people post on social media, you may not realize there has been an astonishing jump in game development capability lately. We really are not that far away from a one-person game studio anymore. You can mash up games now and the model will deliver a stable, playable fusion in one day. Some of them are so good that people don't post them openly online because they are afraid of getting sued. That's how quickly things have improved over the last few…