Now many games are using NFT for their development. To attract a lot of users NFT games are using airdrops like this
https://twitter.com/spacegrime/status/1396545308809601025. If you will check the results of airdrop you can see that airdrops are very effective and can attract a lot of users to the gaming comminity.
Gaming industry has a lot of users and it continue to grow because everybody wants to play game. Now a lot of projects want to connect cryptocurrency with gaming industry and attract a lot of gamers to cryptocurrency.
Now NFT are actively used in gaming industry. They allow to attract big community of users giving them ability to earn money by playing games buying rare NFT.