A supp famm, there i have great idea.

how about make game like mario bross, and there must mint NFT to playing game, and add heart /play and add coin to buy heart.

https://opensea.io/assets/0x3C61F3f8c5E9c8A60144f6dB7857b234CD923cA5/0

https://opensea.io/assets/0x3C61F3f8c5E9c8A60144f6dB7857b234CD923cA5/2

https://opensea.io/assets/0x3C61F3f8c5E9c8A60144f6dB7857b234CD923cA5/1