Liquidity is very important for altcoins. Altcoin must be in demand to have big liquidity.
NFT is actively used in gaming. Games already have big liquidity. It allows increasing liquidity of NFT in games.
To have a good liquidity the game with NFT must be necessary and useful for people.
It must have a big community and a lot of users. In such case the NFT that is used in games will be in demand.