Online gaming in the U.S. has witnessed a rapid rise in the last few years. Most slots enthusiasts prefer going to a casino to experience the excitement of the game real-time. However, the allure of playing a game from the comfort of one’s home has not spared gaming aficionados. Moreover, the variety of online slot machines has added to the excitement factor in a significant manner, fueling the online gaming trend.

With a myriad of slot machine themes available online, it is often a tall order to choose the game to play. For ease of selection, the assortment is divided into 6 basic categories. This article offers an overview of these categories and will help you choose the right game based on your bankroll and preferences.
Classic 3 Reel Slots

The Classic 3 Reel Slots covers all the machines that offer 3 reels and 1 payline. These machines are designed based on traditional slot machines and consist 6 to 12 winning combinations. Gamers can play a wide range of coin sizes.

Multi-line Slots

Multi-line slots comprises all the machines that offer 3 Reels, but consist of multiple paylines. Additionally, this category covers machines that offer 3 to 5 paylines. Some of the machines also offer a bonus game and additional features. The most interesting feature of these machines is that gamers can choose the number of lines they wish to play.

Bonus Feature Slots

Bonus Feature Slots covers machines that offer additional features. The machines may have either 3 or 5 reels. Additionally, the slot machines may consist of bonus games, hidden extra features as well as bonus spins. Gamers can also play additional games to win bonus prizes. The variety in features is one major factor that has driven the popularity of this category of slot machines.

Progressive Jackpot Slots

As the name suggests, this category covers all the machines with progressive jackpots. Gamers can win prize money in the range of millions of dollars in these games since the jackpot is formed from a prize pool.

5-Reel Slots

Reel slots are the most popular of slot machines. These are also known as video slot machines. These games are pervasive and offer variety both in features and extras. 5-reel slot machines also offer bonus games and multiple paylines. Additionally, gamers can play multiple coin bets for every line.

Fruit Machines

Fruit Machines cover slot games with 3 reels. The most interesting aspect of these machines is the in-built subplot that is generated as you play.

In addition to these 6 categories, there are a couple of other popular themes.

Marvel Hero Slots

This is a game played in Cryptologic casinos. The theme of these slot machines is built around superhero characters from Marvel comic strips. These games are highly feature-centric. This category comprises slot machines offering 3 jackpots or more.


i-Slots is a game designed by Rival Gaming. Since technology has evolved, the game offers a great degree of interactivity. This category introduces a whole new dimension to U.S. online gaming and this aspect is a big draw.

By Riza
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