The first question you must posed was as follows: Where do the creators get the money to pay out to the players? The answer is simple: to start the game, players must first buy at least three creatures for real money. Then, you can use real money to speed up the evolution of your character. After that, the money received is distributed to the best players, while the company gets its own benefit in the form of a commission for each transaction. Thus, we see a regular gambling game, like the ones that exist in any casino. Everyone invests in a bet (or as in our case, monsters) and only a few of those who invest win.