Free slot games online with bonus rounds are a great way to try out new casino games without risking any real money. You can play them on desktops, tablets and smartphones, and they’re easy to play without downloading anything. Some of these slot games even have free spin features, which can be a lifesaver when you’re in need of cash.
The best slot games with bonus rounds come from reputable developers like NetEnt, Microgaming and Aristocrat. These providers have been in business for years and offer high-quality games. Their slot machines are also popular with players because of their graphics and sound effects.
Some of these slots have free bonus rounds that are triggered when you land certain symbols. Some of these free bonuses include scatter symbols, multipliers and free spins. The game’s paytable will explain the values of these bonuses.
These types of bonus rounds differ from one slot to another, and are usually based on a story. For example, a story-centric 3D slot will have a bonus round that advances the story and allows you to see the end of it.
Aside from these types of bonus rounds, many online slot machines have progressive jackpots that are linked to other online slots and offer a chance to win huge payouts. Some of these jackpots can be worth thousands of dollars.
They can also be triggered during base game play and increase your chances of winning big. Some of these slots have random or feature-buy mechanisms that let you buy the bonus round for a certain amount of money.
Other bonus rounds may be awarded randomly, while others are based on specific symbols or reels. These are sometimes called wild reels or scatter symbol reels.
Some slots require you to land a certain number of scatter symbols in specific positions, while others can be triggered by collecting a set of a certain type of symbol. Depending on the slot, these extra rounds can be a single spin or multiple ones.
The most common type of bonus round is a free spins feature. These are triggered by a combination of special symbols on the reels, and can give you additional spins with every spin.
These extra spins can be won from left to right or right to left, which gives you more chances of winning and less risk of losing. Typically, these free spins are not as popular as those that are triggered by scatter symbols, but they can be a good way to boost your winnings while playing the game.
Most video slots with bonus rounds are available on mobile devices and have responsive template designs for a great gaming experience on any device. You can even play these games on your TV or tablet using HTML5 technology.
They are a great way to try out new slots and enjoy your favourite games without risking any real money. They can also be a fun activity to do on a rainy day, or a relaxing way to spend an afternoon with your family.