Unlike table games where the outcome of each spin is decided by a fixed number, online slots are powered by software that randomly selects random numbers to determine the results of each virtual spin. This random number generator (RNG) ensures that every spin is fair and that every player has the same chance of winning. The RNG is also the key component behind progressive jackpots, which grow with each bet placed by players and then are paid out in a single massive payout.
Some slot games include capped max wins, which limits the maximum amount of money that a player can win per spin. While this feature can be frustrating for players, it is intended to keep players from attempting risky strategies that could lead to big losses. The max wins are typically set quite high, but they can be adjusted by the game provider.
Other features can help make a slot game more fun to play, including animated graphics and sound effects. They can also enhance the overall experience and add to the realism of the game. In addition, some slot games offer retriggers on bonus rounds, which can help players extend their gameplay and earn more rewards.
Some slot games have special symbols called scatters that can trigger bonus rounds. These can be stacked on all reels or appear in specific positions. Some slots also have wild reels, which are symbols that expand to cover a number of rows or reels and increase the chances of forming winning combinations.