Slots are among the most popular casino games worldwide. They are available in land based casinos and also online. There are also progressive slots, which are created when a player bets. The jackpot increases with each bet. This jackpot resets to its starting value when someone wins.

Online slot games can have innovative bonus rounds, unique layouts, and high-quality graphics. They have also become more convenient than the classic land-based casino version. Most slots offer great payouts and a low edge.

Online slot games are created by more than 100 different developers. These include Play’N Go, Microgaming, NetEnt, and Elk Studios. While the vast majority of these games are medium volatility, there are some high-risk titles as well.

When choosing a slot, it’s a good idea to look at the variance level. A low-risk game will pay out smaller amounts more frequently, while a higher-risk game will pay out larger amounts less often.

The best online slot games are released by companies like Play’N Go and Thunderkick. These two providers have a solid reputation for creating high-quality slots. Some of their most popular titles are Quick Hit, Dragon Spin, Cash Wizard, and Fireball.

Other online slot companies also have a large selection of titles. Microgaming has over 500 titles, while Net Entertainment, Shuffle Master, and Williams Interactive each have more than 100 titles.

Another big provider is Bally, which is known for producing the most popular classic slot machines. Some of their most popular titles are Cash Wizard, Thunderhorn, and Dragon Spin.