Online gambling sites offer a wide array of casino games. Slot machines are especially popular thanks to their simple rules, various plots and bonus options, and their extra bonus rounds. In addition, almost all online slots in the USA provide generous payout ratios for winning prize combinations. This lets gamblers get big winnings for successful spins. However, before playing slots for real money, you need to learn their main varieties, features, and effective strategies.
The huge popularity of slot machines in casinos motivates software providers to actively develop and release them. Thanks to this, the collection of online slots’ constantly expands. These days it includes thousands of gaming titles. They can be divided into several categories.
Progressive Slots
This category includes slot machines with accumulative prize pools — jackpots. They are formed from players’ bets. A certain percentage from the amount is added to a special prize pool. In popular slots, it can reach an enormous size.
Mega Fortune progressive slot from NetEnt
Jackpots are played in different ways but the most commonly used mechanics are:
Getting a combination of the most expensive symbols. One lucky player gets the complete accumulative prize pool.
Bonus round. You need to complete all the levels to hit the jackpot.
Wheel of Fortune. There are different prizes in its sectors: free spins, multipliers, fixed payouts, and the jackpot.
In progressive slots, there can be several prize pools played at once: Mini, Major, and Grand. Each has a different size and applies to a certain level of bets.
Video Slots
These slot machines appeared in land-based casinos in the early 70s. They have gradually replaced classic slot machines. Their main changes from the original slots included improved graphics, bright animations, bonus features, and more pay lines.
On the Internet, there are virtual versions of video slots available. Many of them are provided in 3D. The playing field has 5 reels and from 15 to 20 pay lines. As a gift, you can receive free spins, respins, Scatter and Wild symbols, and themed bonus rounds.
Three-Reel Classics
These online slot machines in the USA are still popular among casino visitors. Their main advantage is their simplicity. The playing field has just three reels and from one to five pay lines. The main symbols are fruits, berries, bells, stars, etc.
There are no bonus games or free spins in these slots. However, some of them offer a risk round. It’s available after every successful spin. You need to guess the color of a card placed face-down. If your answer is correct, your winnings are doubled.
The classic Sizzling Hot Deluxe slot by Novomatic
Multi-Payline & Multi-Reel
This category includes modern slot machines. They have many pay lines and 5, 6, 7, or even 8 reels. These slots are usually based on movies, fairy tales, and comics. There are thematic symbols and pictures that come up on the playing field.
Multi-payline & multi-reel slots offer various prize options: respins, free spins, unique bonus rounds, multipliers, stacked symbols, sticky wilds, etc.
How Do Online Slot Machines Work
Slot machines at online casinos use a random number generator. It creates sequences of random numbers. RNG determines what symbols appear on reels. This offers unpredictable and fair gameplay. Neither the players nor the online casino owners can influence it.
Slots with RNG are highly reliable, meaning they can’t be hacked.
Online Slots Providers
Almost all gambling developers create various slot machines for online casinos. However, not all of them offer customers high-quality software. So, it’s better to play US online slots and games from reputable and popular providers.
Provider
Features
Novomatic
This studio releases classic slots and free online slots.
Playtech
This provider's catalog contains a large number of slot machines with progressive jackpots. Many slots are created in collaboration with American film studios.
IGT
This studio was among the first to launch video slots. It also offers players three-reel machines.
NetEnt
This developer creates innovative online slots. Many of them are based on the Megaways mechanic, which offer more than 243 ways to form prize combinations.
Microgaming
This studio produces modern slot machines in various themes with a captivating set of prize options. There are also progressive jackpot slots.
Barcrest
This studio mostly provides classic slots.
Yggdrasil Gaming
This studio offers slot machines with unique game mechanics. Many of the gaming titles are based on fairy tales.
What Devices to Use to Play Online Slot Games
Previously, to play free online slots, you needed to have a PC. Now, providers produce multi-platform slot machines. They are based on HTML5. Now you can play online casino slots now on any device, including smartphones and tablets.
Mobile versions of slot machines provide an adaptive interface. They automatically adjust to your device’s screen size. This ensures comfortable gameplay even when playing on phones with small screens.
How to Play Online Slot Machines
The rules of free slots are pretty simple. To start a spin, you need to activate the lines, set a bet, and press the Start button. The reels will start spinning. When they stop, you understand whether it is a winning combination.
You get prize payouts for combinations of identical symbols formed on active lines. Their sequence usually starts from the leftmost reel.
In several slots, winning combinations can form in both directions. This increases your chances of winning.
Player prizes are awarded according to the payout table. You can learn more about it in the slot’s description.
A payout table for a slot machine
Slot Machines Strategy Tips
All technical parameters of slot machines include the house edge. However, players can minimize their risks using several strategies:
Martingale. You need to double the bet size after each loss. If you win, you return to the original size. Here, it is recommended to start playing with the minimum limit.
Up the stairs. You need to constantly increase the bet size with each win. In case of loss, don’t change anything.
One game. You choose a slot machine and immediately make the maximum bet. If it brings a payout, its amount has to be divided into 10-20 parts. Then continue playing in the same slot using this money. In case of loss, you need to immediately change the slot and start again.
d’Alembert. The initial bet size has to be counted as one unit. You beed to increase it in case of loss. After getting a payout, you take a step back — reduce the bet amount by one unit.
There are also other strategies for online casino slot machine games. Still, not all of them are effective, so they always have to be tested. To do this, use demo mode.
Best Online Casino Slots in the USA
Among the variety of available casino games, the following titles are especially popular among players American online casinos:
50 Lions.
Cleopatra.
Triple Diamond.
Spartacus: Gladiator of Rome.
Golden Goddess.
White Orchid.
Siberian Storm.
Solar Disc.
Bier Haus.
Da Vinci Diamonds.
Zeus.
Cats.
Jumpin Jalapenos.
Pharaoh’s Fortune.
How to Choose an Online Slot Game
If you want to play online slots with real money, it’s best to rely on the following criteria:
Plot. Choose a slot according to your hobbies to have a good time.
Bet range. It should match your bankroll.
RTP level. It affects the slots’ return rate. A higher indicator means you can win more.
Volatility. It affects the frequency of winnings and their amount. If it’s low, then a slot machine brings winnings more often, but they are small. High-volatility slots bring larger payouts but less frequently.
Available features. It is more profitable to play online slot machine games at US online casinos that provide bonus features, extra rounds, special symbols, etc.
Winning range. It’s better when the odds reach x10,000. Then you can get big winnings even with low bets.
The option to play for jackpots in slot machines is a significant advantage. With a successful outcome, you may receive a huge jackpot. However, the chance of hitting it is minimal. Moreover, these slots usually provide low RTP because a portion of players’ bets forms the main prize pool. Because of this, jackpot slot machines offer rare winnings.
Top Casinos with Online Slot Games
All gambling websites offer various slots to players. However, you should remember that they aren’t always authentic. In addition, not every online casino is reliable and pays out quickly. So, you need to carefully approach a casino for playing online slot gambling so as not to become a victim of fraud.
To help players, our editors have prepared this rating. It includes the best online casinos for real money. They offer customers authentic slot machines, lucrative bonuses, multi-level loyalty programs, and transparent conditions for depositing and withdrawing money. They are recommended for playing with real money.
Ashton was born and raised in the USA. In 2012 he entered The University & Jepson Herbaria, University of California, Berkeley, and graduated in 2017. There he got acquainted with gambling and realized that there was not enough information about reliable websites on the Internet.
