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.
NFT in gaming industry are actively used and they are very popular. That is why now many gaming platforms use NFT to attract more users and gamers to the platform and allow them to earn money.