“Mario racing live: family racetrack” is an augmented reality game, which brings the fun of Mario racing series into the real world by using the switch system to fight the real kart. “Mario racing live: family racetrack”, which is played by the camera on the remote control racing car, looks futuristic, but for a narrow room, it has a lot of inconvenience in playing. Therefore, we will introduce the free line mode of this work. Not limited to the track, flexible use of free line mode, in the narrow space can also fully enjoy the fun of the game. Here are five ways to play. < / P > < p > in narrow places such as the wall, the vertical parking play mode can also be used as a kind of car operation practice. It should be very simple to watch the actual remote control car come to play. Therefore, the focus of this play method is to only watch the switch screen. < / P > < p > knocking down empty cans or plastic bottles is also a way to play, but just knocking down may be too simple, so you can try to challenge “several at a time”, or a small competition mode like the beach flag may be more interesting. < / P > < p > even if it is a simple round track, it will become very nervous if there are obstacles such as dolls. By avoiding bumping into these cute dolls, improve your skills and become a safe driver. < / P > < p > the familiar “balloon wars” of Mario racing series can also be perfectly reproduced in free line mode. A balloon is tied to the back of the car, and a pointed bamboo stick is set at the front end. Just need to pay attention to is the tip of the best not to touch furniture and other items. < / P > < p > Mario racing game can customize the appearance of the car, in reality, as long as you think about it, you can do it. If you feel embarrassed about spraying paint, you can make your own unique racing car through stickers. It’s better to be away from your family when you’re in the area. Epic Games accused Google of monopolizing the latter, which may have a better chance than apple