Unlike traditional slot machines, where winning relied on a set number of symbols in a row, online slots have more complex game mechanics. They typically have multiple paylines, varying symbols and bonuses, and can be themed after movies or TV shows. They can also have a progressive multiplier for regular wins, and bonus rounds that feature different features like free spins or extra symbols. These features are designed to increase a player’s chances of winning, and are available across a variety of platforms, including mobile devices.

A win in an online slot occurs when a player matches up three or more symbols on an active payline. These paylines can be horizontal, vertical, diagonal, or zigzag, and are configured on the reels of the machine. Players can choose which lines to bet on and how much to wager per spin, and they can activate as many or as few as they want. Once the symbols land, the winnings are calculated according to the paytable.

It’s important to understand how online slots work to maximize your chances of success. The randomness of the RNG generates a new set of numbers every time you click “spin.” The computer program does not have memory and cannot predict past results, so the result of one spin doesn’t impact the next. It’s as if you were rolling a dice over and over again – the chance of getting a six is the same each time.