The casino does not choose who wins and who loses. There's a standard of randomness present in all casino online games. In slots, There exists a random range generator that chooses a random range, which decides the outcome of the game. In roulette, this is attained because of the roulette http://slotskameronljiq.cavandoragh.org/how-to-find-the-top-online-casinos-with-high-payout-rates