Some of the most popular play to earn games are Axie Infinity, Gods Unchained, The Sandbox, Decentralland, Mobox, Zed Run, Crypto Blades. These games range from metaverse games to PvP. Users can find whatever they are interested in because of the wide range of games. There are more being developed currently and new games being released every day. In most of the games players can earn collectibles and the more rare they are the more they are worth.

Short answer: it really depends on the game. Some games are skill based where the player must complete certain tasks while in others it's more about dedication to time spent on the game. These incentives really push players to ensure themselves in the game and earn as much as they can. Once these tasks or whatever it may be have been completed the player then receives cryptocurrency rewards and NFTs. Which they can then trade and sell to earn money.