Online Slots – Free, Real Money & Game Reviews
Slot machines are the most profitable part of a U.S. casino. From Las Vegas to Atlantic City, slot machines take up more space than any other casino game. Online slots work the same way. If an online casino features 300 games, 250 of those games will be online slots. When playing with Android or iPhone devices, mobile slots revenues work the same way.
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|Ranking||Casino Name||Bonus Amount||Review||Payment Options||Minimum Deposit||Actions|
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Guide to Online Slots
Our guide to online slots covers both online and mobile slot games, including traditional land-based slot design companies like IGT and Bally slot machines. We also cover the biggest names of the online slots era, such as Microgaming, RTG and NetEnt. This page discusses 3-reel classics, 5-reel video slots, licensed slots, progressive jackpots, and 3D online slots.
Though the world of slot machines is vast, it doesn’t take long to figure out how slots work and how to play online slots. If you have any questions, feel free to send us an email or read our slots FAQ page, which answers over 120 questions about the online and mobile slots industry in 2020.
Online Slots for Real Money
Beginners should read our guide to the types of online slots they’ll encounter. New bettors searching for online slot tips should look at the strategy articles below. Beyond that, players should always know the odds when they play slots online. Learn concepts like variance and the house edge, along with other tips for picking the best online slots.
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Slot software has more variety than any other casino game online. Some casinos offer Vegas-style online slots, while others include 3D animation, spectacular graphics or cater strictly to bonus games. Our site offers software pages for all of the major online slot providers.
Below are the top five online slots software companies that license games to online casinos. Each company page gives a complete overview of the various slot games each brand offers, in addition to a list of the top five sites each company powers. You can view the five most popular software developers below or see an overview of all the online slot companies here.
How We Rate Online Slots
Readers might wonder how we arrive at our conclusions. At the start, we collect basic facts about the online slot. Our reviewers discuss jackpots, paylines and the main features each online slot has. After we give an overview, our reviewers describe the coin denominations, jackpots, bonus games and other features in greater detail.
- Overall Rating: Our summary and recommendation to player.
- Jackpot: The biggest prize available, whether progressive or fixed.
- Reels: How many vertical rows exist on the game screen.
- Paylines: How many lines trigger a win.
- Developer: The company that develops the online slot software.
- RTP: Return-to-player or the payback percentage bettors can expect.
- Available In: English-speaking countries where this online slot is available.
What You Need to Know about Our Slot Reviews
This section gives a brief description of the theme, developer and main reasons players enjoy the game. If this profile sounds good, you’ll know whether you should continue researching the game or not.
Popular Slot Machine Features
Each review gives a snapshot of six popular features that online slots often have. With simple highlighted icons, you can see if the slot being reviewed has these features.
- Free Spins: Spins that cost nothing and carry no risk.
- Bonus Round: Interactive bonus games, Mega-Spin Wheels, or free spin rounds.
- Wild Symbols: Reel icons that substitute for most or all other symbols on the reel.
- Scatter Symbol: Valuable wherever they appear on reels, these often unlock bonus games.
- Multipliers: These multiply the value of a prize, ranging from 2x to 100x the payout.
- Mobile Slot: Whether the slot is compatible with Android or iPhone devices.
Coin Denominations and Jackpots
Coin options tell a player what the minimum or maximum bet on a slot machine is. Is an online slot for penny players, mid-stakes gamblers or high rollers?
Jackpots tell the biggest prize available. Three-reel classics often have fixed jackpots in the low thousands of dollars, which are more attainable. Progressive slots have accumulated jackpots that grow into the hundreds of thousands or millions of dollars.
Bonus Rounds & Fun Bonus Features
Bonus rounds take a break from the main game. They offer players a chance to win big prizes without risking their bankroll.
Fun bonus features include a variety of wild symbols like stacked wilds, expanding wilds and sticky wilds. It also includes interactive bonus games, multipliers, re-spins and the Gamble Feature.
Review Feature: An Online Slot in a Nutshell
Toward the end of each slot review, we provide a short summary of the online slot. This summary provides key features, jackpot information and the developer. This gives players a quick review of the game to remind them of its pros and cons.
Mobile Slots Casinos
Most online slot games are now available for mobile play. Our mobile slots guide outlines where you can play for free as well as for real money. We focus mainly on Android slots and iOS slots for iPhone and iPad, but also discuss the BlackBerry and Windows Phone operating systems.
In each review, read through our mobile section, which includes comparison reviews, a dedicated page for each device, and more. This includes which casinos offer a mobile app for your device – which is most online casinos in 2020. Like online slots, you can play mobile slot games for real money or free.
Tips for Playing Slot Machines
Now that you know slot machine outcomes are based on a random chance, you can choose your favorite online slots with confidence. Lots of people win lots of money playing the slot machines at their nearby casino or online gaming site. The trick is to keep your gaming within responsible limits and have fun.
- Higher Denomination Slots Have a Better RTP: Return-to-player (RTP) is a percentage you can expect to win back. The higher the RTP, the more you’ll win over a long period of time. If you play at higher coin denominations, the RTP is higher on most slot machines.
- Bet Max Paylines to Activate the Main Jackpot: Especially if you play progressive slots, make certain you wager enough to trigger the progressive jackpot. Most progressive slots require the max payline to be active. Don’t hit the royal flush only to realize you didn’t max out the paylines and activate the progressive jackpot.
- Pick Entertaining Online Slots: Choose games that fit your personality. If you like pop culture franchises, play licensed slots. If you prefer the best chance to win, play 3-reel classics and fixed-jackpot slots. If visual quality and graphics are most important, play 5-reel video slots with interactive bonus games or even 3D slots. The great thing about online and mobile slots is there’s something for everyone, so shop around.
- Play Within Your Budget: Have a bankroll of discretionary cash you can spend without difficulty. Play for fun and don’t expect to win big jackpots. Online slots are entertainment, so treat them like you would tickets to a sporting event or concert. Or if you don’t have a big budget, treat them as you would a trip to the movie theater or restaurant. If you win playing the slots, even better.
Online Slots FAQ
Like land-based slot machines, online slots use a random number generator (RNG) to produce results. Every second, the RNG produces thousands of results. At the instant you hit the “Spin” button, the RNG selects the latest result and matches it to the correct reel symbol configuration. You’re paid out if winning combinations hit.
RNGs have been around since the late 1970s, so this is proven technology that’s over 40 years old. Many innovations and improvements have happened over the years, but online and mobile slot machines work no differently than the electronic slots you’ll find in bricks-and-mortar casinos in 2020.
Most importantly, each spin is independent of the previous spin, so there is no predicting when a jackpot is about to hit.
Yes. Welcome bonuses tend to restrict certain games from clearing the wagering requirement, but online slots are never restricted. They count 100% toward the playthrough requirements. This free-play cash allows players to test new online slots without risk of losing their bankroll. Some gaming sites offer no-deposit bonuses, which provide free bonus cash simply for registration.
The one exception is progressive slots. Most of the time, online slots with progressive jackpots are restricted from satisfying the wagering requirement. Until you clear the requirement, play the fixed jackpot slots.
Much is written about the complicated legal framework of the U.S. online gambling community. What isn’t often discussed is it’s legal for U.S. residents to play online for real money. Federal laws like the Wire Act and the UIGEA ban certain forms of online gaming, while states like New Jersey and Pennsylvania fight these bans. Most U.S. states don’t have online gambling regulations. That being said, the ban is on site operators and payment processors, but offshore online casinos accept U.S. players without hesitation.
No American resident has ever been prosecuted for playing online slots for real money. That might change sometime in the distant future, but not any time soon. The key is to pick trustworthy, reliable online casinos that pay on time. Read our online casino reviews to find the best slots casinos online.
A random number generator or “RNG” is an electronic device used to determine the outcome in electronic gambling. The RNG comes up with thousands of combinations per second. When you hit the “Spin” button, whatever the last result was gets spit out. This is truly random, not some giant list of results with a pattern you can predict.
No effective system exists to beat the high house edge of slots. The casino sets a high house edge on slot machines, compared to video poker machines, blackjack and several other casino games. Payout percentages don’t mean you’ll lose, because results can deviate in the short term from the probabilities. The longer you play, the more likely the results are going to meet the payout percentages. Taking this into account, play short sessions, hope for good luck and get out before the odds catch up to you. Since most gamblers play slots because they enjoy the hobby, this is easier said than done.