Online slots are the most popular casino game in the United States, accounting for the majority of all real money games played at online casinos. With Casino US, you could be playing the best slots online within minutes by signing up at one of our recommended casino sites. Real money slots online spin reels full of symbols and payout depending on the combination of symbols that are spun. Slots online are very popular real money casino games in which American players wager a certain amount on various paylines within the game. A sequence of random numbers are then generated, and once the reels stop spinning, winning combinations will be revealed, yielding varying winning amounts for the player.  Find the top US online casinos to play some of the best slot games around. The best slots online USA go by a number of various names including:


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  • Slot machines (common American name)
  • Pokies (common to Australian and New Zealand gamblers)
  • Puggys (a common term used in Scottish/ English slang)
  • Fruit Machines (derived from older machines which frequently used pieces of fruit as symbols)
  • One-Armed Bandit (derived from older machines which ordinarily used the pulling lever to turn the reels)

USA casino slots have evolved dramatically since their first inception in 1895 by American creator Charles Fey. Read on below to discover all you need to know about the best USA slots online in 2019. Once you’re done, we’re sure you’ll understand why the best online slot machines for real money are some of the most popular casino games in the United States. We’ll help guide you to the best American online slots around and make sure you have a good time. What are the most popular online slots? We’ll help you find out. You can even play online slots for free, but first, you might want to read our quick slot reviews to find out which is best!  Play for real money at our recommended casinos below!


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USA Slot Guide


helpful hints for online slots

There is no guarantee of winning with US slots online and players need to keep this in mind. The house has a significant house edge in online and offline real money slot games. There are, however, a few ways you can play smart against. Read on to see how you can improve your game with Casino US’ helpful slot tips and tricks.

  • Find the Slot Game Online that suits your bankroll. This is an integral part of the smart play process. It is no good for you to choose a slot game with high coin values if you are playing with a small bankroll, to begin with. You will quickly find yourself exhausting your funds, not getting much entertainment for your dollars.
  • Decide on a winning limit before engaging in a game. This may sound ridiculous as no one ever wants to cap themselves when on a roll; however, this is a vital part of playing smart. If you set yourself a winning limit beforehand and walk away once you reach it, you will not stand the chance of losing all your winnings.
  • Choose an online slot that suits your needs. You need to keep in mind both your bankroll and your entertainment expectations when playing a slot. The best way to find a slot online with little cost to you is to give the free online slots a spin before wagering. Although you won’t be winning any real money, you will be able to get a feel of what you can expect and find the perfect online game for you to win at.
  • Decide on a loss limit before playing. This is incredibly important. Be sure that you set yourself a loss limit of how many times you are prepared to lose at consecutive spins before you throw in the towel. Stick to this limit. If you have decided beforehand that you are not willing to lose six times consecutively, be sure you walk away after six losing spins.

You might also want to read our step-by-step guide on how to play online slots.


Naturally, over time, a number of variations of the slot machine have surfaced through the ages. There are two main types of slots available to USA gamblers:

  • Progressive jackpot slots
  • Non-progressive jackpot slots

While both slots run in basically the same fashion; there is one major difference separating the two, whether or not the jackpot grows or is set. A progressive jackpot slot means that every time a player wagers on that particular online slot title, part of their bet will be put towards the jackpot. Hence, the more people play that game, the larger the jackpot will become, thus making it progress. The odds of winning the jackpot are similar to the odds of winning the lottery.


Non-progressive slots have a set jackpot for players to win. This means that no matter how much money is pumped into that online slot machine, if the jackpot is six thousand coins, you will be winning six thousand coins and no more. Non-progressive slots typically offer better odds for winning the jackpot. Either way, it’s always great to play online slots and win real money!

While more alluring due to the larger winnings, progressive jackpots can be trickier to land large wins on, often requiring American players to wager the maximum bet in order to qualify for the progressive jackpot. Other variations of slot machines are based on the reels available for play.

Types of Slot

  • 3 Reel slots – older classic slots commonly used this number of reels within their games
  • 5 Reel slots – the staple in modern video slot games
  • 7 & 9 Reel slots – less common but can be found in a few online casinos today

Three-Reel Slots: Three-reel slots are your classic slot games that have a limited number of symbols and paylines. These are the simplest slots you can play for real money. They also tend to have the smallest jackpots, but are the ones that payout the most often.

Five-Reel Slots: These are your modern real money slot games. These are typically far more complex, offering players bonuses like free spin, wild symbols, scatter symbols, more paylines, and more ways to win. If you plan on playing online slots, these are the games that will have the widest variety at casino sites.


One of the best things about the top real money online slots is that they’re easy to play. This means that nearly any player can start playing and have some fun with the best online slots in the USA. The rules are easy to understand, and a player’s luck is the biggest factor in whether they win or not. This has helped make online video slot games extremely popular. The best thing about slots online is that there are so many different variations for players to try.

These include simple three-reel video slots with one payline, to five-reel slots with 25 or more paylines. There are also more complicated slot machines, which include wild symbols, bonus games and this makes them very entertaining and exciting to play. Choosing an online slot casino is also very important, so make sure you pick a reputable gambling site. Try finding casinos with highest slot payouts.

Once a player from the United States has chosen the best online slots real money they’d like to play; the rules are relatively straightforward. All a player needs to do is make sure they have an Internet-connected device. This can be their computer or laptop, smartphone or tablet.

Play Slots for Real Money – Step by Step Guide

  1. American players will begin by placing their bets on the game. There is usually quite a bit of customization here as players can change the coin size and how many coins a player wants to bet on each payline.
  2. We always recommend placing bets that fit with the player’s bankroll. It doesn’t make sense to place $10 bets if you only have $30 to play with, as the player will exhaust their funds too quickly.
  3. Press the Spin button when the player is happy with their bet. When the reels are spinning, the player can do nothing but wait and see.
  4. After the reels have stopped spinning, the player is told if they won anything on that spin. Winnings are credited to their account if they won. If they didn’t, they could spin again.
  5. Finally, many of the best online slots have unique bonus games. If you’re lucky, you’ll land the right symbols on the reels to enter the bonus game. Many top online slots will have fabulous prizes in the bonus rounds, so they are worth keeping an eye out for.


Whether we’re talking about slot machines in land-based casinos or online video slots, players are always asking what the odds of winning are. The truth is that this is rather difficult to work out these days as the games themselves have become far more complicated. In addition to this, the type of online casino slots real money you’re playing also make a difference. Typically players will find they have a better chance of winning when they play a fixed jackpot slot, compared to a progressive jackpot slot game. In addition, in order to win the jackpot on a progressive slot, players will typically have to hit the bet max button to be eligible.

However, don’t let anyone ever tell you it’s impossible to win while playing a slot game online. It is true that the house has an edge, larger than you’d find at a table game, so that you will lose money in the long-run, but that doesn’t mean you can’t strike it lucky with a single spin of the reels. There are several gambling experts who say that a large jackpot win from a casino slot game is about as common winning the jackpot in the lottery. So, it’s definitely not impossible to win a life-changing prize.


Image of laptop with green button
Knowing the terms surrounding the casino game you play is essential for all online gamblers. Thus, Casino US has comprised a need to know glossary for all newbies to the world of top real money slots online USA:

  • Big Hit – Big Hit is a term used to refer to a jackpot win made by a player
  • Coin Size – This relates to the number of casino credits the player wishes each coin to be worth.
  • Expanding Wild – An expanding Wild is a Wild symbol that has the unique ability to expand and take over an entire reel. This can lead to some huge wins.
  • Loose Slots – Loose Slots are machines which supposedly pay out more often than other machines of the same title. They are also expected to yield big payouts soon.
  • Reels – Reels refer to the columns of symbols which display on your screen within the game.
  • RNG – RNG is an acronym used for Random Number Generator. An RNG is used to produce a series of random numbers – or in this instance – slot symbols determining the outcome of your spin.
  • RTP – RTP – or return to player – is the amount of a wager returned to the players over time. It is expressed in a percentile.
  • Scatter – A Scatter Symbol is a symbol found in slot machines which unlock various bonus features. These could be free spins or bonus rounds depending on what is provided by the game.
  • Streaky Slots – Streaky slots are slot machines which go from being hot to cold in a short period.
  • Tight Slots – A slot that doesn’t pay out often is called a tight slot.
  • Video Slots – A video slot machine is a type of fruit machine which has no physical reel within it. A virtual generator creates everything on the screen.
  • Wild – A wild symbol is basically the Joker of slot symbols. When appearing on your screen, this symbol can stand in for any other symbol except for the scatter or bonus symbols of the game.


A no deposit bonus is one of the most sought-after online casino bonuses in the USA. No deposit bonuses often offer free spins to new players, instead of casino credits. All a player needs to do is sign up and start an account at top American online casino gambling sites that offers a no deposit bonus, and their new account will be credited with free spins. The players do not need to make any deposits into their account in order to receive this reward, hence the appeal.


Within the real money online casino game world, you will given the opportunity to play free slots online. Free online slots play gives you an opportunity to play the available titles with fake money, to test the best real money slots before committing your actual bankroll. Playing free online slot games is a great way to get a feel for the best online video slots before risking your bank balance.


Real Money Slots USA refers to slots in which you are wagering money from your casino account while playing. These allow you to win cash with your wagers. However, they also pose the possibility of losing it as well. So, why should you play free online slots? Below are a few advantages of doing so.


  • Your bankroll will not be at risk
  • You get to experience what the game has to offer before buying into it
  • You can have fun at no cost


  • You cannot cash out the winnings made during your game
  • Landing big wins that aren’t real is frustrating.
  • Losing the adrenaline of playing for online slots real money.


There are a lot of casino gaming software providers out there. However, there are a few that stand out. Here are some of the top casino game providers for 2019, supplying the best online slot casinos in America:

Real Time Gaming
online slots developer realtime gaming logo

Cleopatra’s Gold

Diamond Dozen

Texan Tycoon

Online slots developer Novamatic logo

American Diner

Always Hot


online slots developer microgaming logo


Jurassic Park

Mega Moolah Progressive Jackpot

Online slots developer thunderkick logo

Birds on a wire



Net Entertainment
Online slots developer NetEnt Logo


Spiñata Grande

Gonzo’s Quest

Online slots developer PlaynGo logo

Aztec Princess

Book of the Dead

Wizard of Gems


Playtech developer logo

Ace Ventura


X-Men 50 Lines


Image of colourful FAQ blocks

Can you play slots online for real money?

Absolutely! All of our top casinos we recommend offer players the chance to play top online slots for real money. You can also choose to play these slot games for free, if you just want a bit of practice or fun. But there are 100s of real money slots online out there for players to enjoy.

Which slot machines will give me the best odds?

As a rule of thumb, the simpler the slot, the better your odds are.

Is there a sure-fire way to win a jackpot?

Simply put, no. Neither static nor progressive slots guarantee you will win the jackpot. Your best bet is to check what the requirements are for you to be eligible to win a jackpot. For example, many progressive slot games that pay real money require you to wager the maximum bet in order to qualify for the progressive jackpot win. Players should also try to find the top paying online slots, with the highest ‘Return to player’, to stand the best chance of winning.

Are loose slots an actual thing?

Loose slots are the unicorns of the casino world. The coveted creature everyone wishes to get their hands on. Whether or not they actually exist, however, is the question. There is huge debate surrounding whether or not certain slot machines are in fact loose or not and to date, nothing substantial has been provided to suggest that they are.

Are slot machines really addictive?

Any type of gambling game can be addictive. Whether playing online, or in a land-based establishment, gambling addiction is a real problem to be aware of. The United States has various support groups available to help players with a gambling problem. If you, or someone you know, are addicted to online slots, seek help immediately.

How can I trust that a slot game is fair?

All real money slot machines USA games use something known as a random number generator, or RNG, within them. The RNG generates the symbol combinations your reels will land on and ensure that all play is fair. Various governing bodies test casino games at random to ensure they are fair.

Can I play Top American slots from my mobile device?

You most certainly can. However, keep in mind you might not be able to find all of your favorite titles in mobile form. The majority of the best online slot machines real money are now available in mobile forms as well. Mobile slots will entertain you no matter where you are, whether that’s New York, Kansas, Georgia or even outside the United States.

Are online slots rigged?

As long as you find a respectable gambling site, the slot machines will not be rigged. However, there are always some bad apples out there, and some casino sites can’t be trusted. We’d recommend you choose one of our recommended casino sites, where we guarantee you’ll be able to enjoy the best online slots USA for real money!

How to win money playing online slots?

Unfortunately, there is no guaranteed way to ensure you win money playing slots online. There are some tips and tricks you can try, but these only serve to make your experience more enjoyable. There is no way to improve the odds of winning big. But, that’s not to say you can’t win. Simply choose your favorite USA slot game, place your bet, and spin those reels!

Which Online Slots Payout the Most?

Generally speaking, the slots that payout the most are fixed jackpot games. Progressive slots see far fewer big wins, but when they happen, players win huge amounts. Fixed jackpot slot games payout real money wins on a smaller and more regular basis.

What is the best online slots site?

Players looking for the best online slot sites need to look no further than our list of top USA casino sites. Anyone of the casinos we recommend is worth trying.

What are the odds of winning online slots?

The odds of landing a jackpot when playing slots online is quite small. You have roughly the same chance of winning a $1 million+ jackpot with a progressive slot, as you do with playing the lottery. Even fixed jackpot slot games that pay real money offer very long odds of winning big.


As previously mentioned, the first slot machine was invented in 1895. American, Charles Fey created the Liberty Bell and offered players three reels of pure fun and entertainment. It was like nothing players had ever seen before, which is no doubt what made the first slot game so exciting. The Liberty Bell used five symbols, which where:

  1. Horseshoes
  2. Diamonds
  3. Spades
  4. Hearts
  5. The Liberty Bell

Liberty Belly quickly grew in popularity through America. In 1908, fruit machines could be found in most places from your local barbershop to the nearest brothel.


In 1963, the first fully functional electro-mechanical slot game was produced by Bally software providers – who are still in operation today. This slot went by the name of Money Honey. Money Honey was the first slot machine able to automatically produce winnings of up to five hundred coins without the assistance of a dealer.

The Modern Slot

The eighties was a significant year in the development of slot machines as this saw the first video slots come into play. This opened the doors of possibility in more ways than one. First and foremost, this saw slots being able to utilize graphics to enhance the appeal to players. The visually stimulating world of video slots began to entice more and more gamblers due to its aesthetical charm. Next – and probably the biggest development of USA slots to date – the video slot game also introduced the five-reel game to players. This gave gamblers more paylines to play from meaning, in layman’s terms, more ways to win.

1994 marks the year of slot games venturing into the cyber world. People who now had Internet access could play slots online at the best online slots casinos.  The first online slot games were produced around this time and since then have been progressing steadily since. The most recent development in the online slot world was when online slots breached the gap between desktop to mobile devices. There are now thousands of titles to choose from provided by numerous online gambling software providers with bigger, better games being produced by the day.

Top Casino Games Online USA