Those aren't over 100 million players or 250 million players but fake figures. Such numbers are shared to create hype and nothing else. Even if they reach 250M players then still it's not going to be huge as most of those are there for airdrops and that's why they won't be adding liquidity to the token but sell their airdrop earned coins as soon as they get those.
It is possible to have over 100 million players if hamster kombar being farmed. We can assume 1 person handles a few accounts. The hype of hamster kombat has been spreading massively in the various communities. But, I doubt it will reward all its players.
The dump from the airdrop hunters won't mean a lot, as they will get pennies from this app. The total allocation for airdrop is being limited, and there will be many people called this as a scam.