Hyper-casual games use dopamine inducing rewards to encourage users to return (e.g., daily check-in streak rewards). As a result, it makes little sense to tokenize in-app currencies for hyper-casual games as they would end up being inherently inflationary.
The five most popular blockchain-based games based on daily active addresses are Alien Worlds, Axie Infinity, Solitaire Blitz, Splinterlands, and Upland.