Early in Infinity Nikki, you likely won't worry too mch about how fast you are leveling up. But as the game progresses, and you realize that you are enjoying the game way more than you expected, you'll hit a plateau where the Mira levels stop coming so easily. At that point, you'll probably wonder if there is a way to level up fast in Infinity Nikki. Luckily, there are some key steps you can take to ensure you gain as much Mira as possible.