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.
In the gaming industry, in-game money is actively used. However, NFT is not in-game money, it allows players to earn real money just by playing games and thus attract a large number of people to the crypto industry.
Usually, players spend money on games, and not a small amount of money, and thanks to NFT, players have the opportunity to play and have fun making money on their favorite activity.