Though the steady grassroots approach is one that you'll want to embrace, you can kick things up a notch with paid promotion. (smallbusinessesdoitbetter.com)
According to the same post, the game received more than 2 million downloads on mobile devices in its first week alone, despite a total lack of paid promotion. (lifewire.com)
Focusing on subscribers and audience will help build momentum, but you'll need to consider other methods as well, including paid promotions or distribution through influencers or your existing audience. (entrepreneur.com)