What You Need to Know About Online Slots

While online slot games are available in many variations, one thing to remember is that not all slots are the same. Some have more paylines than others, and some have fewer. Before you play a slot game, it is important to understand what the symbols on the reels mean. Learning how the paytable works will help you make smarter decisions when spinning the reels.


The random number generator (RNG) is a component of online slots that generates random results based on a base value and certain conditions. The RNG is also responsible for the variance in the outcome of a slot game. Since every outcome of a slot game is unique, it is imperative for it to be set in such a way that every player has a chance of winning.

Payback percentage

A payback percentage is a measure of how profitable a game is, and it’s essential to consider when playing online slots. The higher the RTP, the higher your chances of winning. Depending on the payout percentage, you can play with smaller bets and still make a profit. However, it’s important to know that there are some online slots with very low payout percentages. You can compensate for this by adjusting your bet size.

Bonus rounds

Bonus rounds in online slot games can either be standalone features or are layered on top of the main game. These can have special symbols, extra reels, sticky wilds, multipliers, and more. These additional features can enhance the player’s chances of winning. In addition, these bonus games never deplete the player’s balance.


The Variance of an online slot game is a statistical metric that measures the frequency of wins and losses in a game. High-variance slot machines tend to pay small amounts more frequently, but have fewer jackpots than low-variance games. For players with larger bankrolls, low-variance slots are the best choice.

Bonus symbols

Bonus symbols in an online slot can be triggered by matching up 3 or more of the same symbols. These symbols will trigger either a free spins round or a bonus game. This bonus game can offer a jackpot.

Three-reel slots

Three-reel online slots are the simplest form of online slots. They are played with a single screen and pay out for combinations that match certain symbols. The classic look and feel of these games are reminiscent of the land-based casinos. They are also fast to play and can pay out large amounts of money when you win. Three-reel online slots often have a wild symbol or two to multiply your winnings.

Progressive slots

Progressive slots are one of the most popular casino games. These games funnel a player’s wagers into a single jackpot and the player then sees the prize amount displayed on screen. While these games are popular, they do not offer the best payouts. Experienced players know that the house edge is significantly lower when playing progressives.