Online slot games are played on a series of vertical reels filled with symbols. Each spin of the reels is independent of all other spins and is determined by a random number generator (RNG) that’s regularly audited for fairness. The outcome of a spin is decided by the combination of matching symbols that appear on a payline that runs horizontally across the reels (though some games have vertical or diagonal lines).

While learning how to play slots may seem overwhelming at first, it’s actually one of the easiest casino games to master. Once you’ve mastered the basics, you can move on to more complex games and enjoy a wide variety of themes, from classic 3-reel slots to modern video games based on your favorite movies and TV shows.

All online slots work similarly, with a fixed layout and symbols that award payouts based on their rarity. Look for the Return to Player rate (RTP) and variance (how often and how much a slot pays out) posted on each game’s rules or information page.

There are also a variety of bonus features that can add to your chances of winning. Wild symbols, for example, substitute for any other symbol in a winning combination. Scatter symbols are another type of special symbol that can award a payout regardless of where they’re located on the screen. Progressive jackpots are a great way to boost your bankroll, with a small percentage of every wager going toward a growing prize pool.