As per the current market situation, many good coins are falling due to dot, cake and many other reasons. I would suggest buy cake, sol, and such coins for at least 5k amount, and soon those coins will return high profit margin
NFT is the future and NFT gaming is so underrated now!
DKT DuelistKingNFT looks like a perspective long term project. I'm into NFTs now, so I think you can find it helpful as well.
DuelistKing is a democratized card game whereby all decisions made on the card issuance, distribution and proceeds allocation are governed by decentralized mechanics on blockchain for proven fairness, transparency and best interests for the community
https://duelistking.com/