In-game NFTs offer another way for you to generate an income through playing NFT games. Rather than earning a fungible ERC-20 token like SLP in Axie Infinity or SKILLS in CryptoBlades, you earn NFTs that represent collectible items. This gameplay mechanism is the traditional way of generating income with NFT games. Items will vary in their worth based on their cosmetics, rarity, or utility based in the game. CryptoKitties is one example of a game that relies only on the collectibility of in-g...