I see that the bounty campaign has aroused a lot of interest. But let's talk about the project itself and its prospects)
Bounty campaign is a part of promotion, but it is only a part. For the building a community is not enough only bounty campaign. It is necessary that many people will know about the gaming platform and clots of CryptoMania.
I think that a bounty campaign gives a better SEO effect for indexing queries. It will be much more effective to buy ads on Facebook and YouTube.