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Play-to-earn games allow gamers to collect or earn crypto/NFTs that they can sell on the market. Gamers who play regularly can accumulate items or digital tokens as a source of income. Traditional gaming is not the same as crypto gaming, as the latter involves real money. Some crypto games are competitive and skill-based that depends on if you win or how you place. Some of these games focus on breeding and battles, where a player uses two NFTs to create an offspring NFT.