Chumbi is not alone
What are other projects similar to Chumbi
Play to earn games market have exploded recently and everyday several games are released. Many are in a very early stage and many won't become successful. Keep an eye on Chumbi's competitors to see how successful Chumbi are.
Axie Infinity is the most popular play to earn game now a days. Many people think that Illuvium has a promising future.