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This is how bonus buys and bonus rounds work in online slots
Fariha Bhatti
The most popular online slots are often rich in features with high payout potential, and a bonus buy can help players to more directly access them. Here’s how they work. Popular betting streamers are often seen stacking big wins one on top of another with high stakes, leaving newer bettors wondering why their sessions at home might look quite a bit different. The reality is that, for many streamers intent …
Slots
The new Disorder slot mixes dark storytelling with massive win potential
Fariha Bhatti
Disorder is a new online slot that adds an extra layer of storytelling to NoLimit City’s fan-favorite game Mental, and players are already in love with it. NoLimit City has launched a number of online slots over the years, and Mental has stood out as a reliable staple among bettors in part thanks to its dark themes and high win potential. Doubling down on the success of that psychological horror …
Slots
Playson brings new slot feature to Paddy Star with Smash and Win
Fariha Bhatti
Paddy Star’s brand new Smash and Win feature can make spinning the reels feel more exciting than ever, as unexpected twists and turns lead to chances at bigger payouts. Playson’s colorful new slot Paddy Star has quickly found a following in the online slots community, winning hearts with an easy-to-understand and straightforward setup that hides a surprising amount of depth. To make things even sweeter for players, Playson has now …
Slots
This new Sun Princess slot can make for a magical good time
Hannan Mundia
The new Sun Princess slot is bringing the magic of the Princess of Light to the small screen to deliver a mystical experience for bettors looking to have a good time. Sun Princess is a new slot game created by well-known developer Hacksaw Gaming, who also notably brought bettors the Hand of Anubis and Stack ‘Em slots. The theme here involves the Sun Princess Celeste, who rules over light itself …
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Quick guide to the mechanics behind Slots & Daggers’ slot-RPG mix
Fariha Bhatti
Slots & Daggers is a wildly addictive twist on traditional slot games, mixing roguelike dungeon crawling with luck-based spins that fans of Balatro and classic RPGs will eat right up, and our quick guide will help new players to understand exactly what they’re in for. Traditional slots are fun and addictive in part because they’re built entirely around luck. Each and every spin teases the possibility of hitting a big …
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These scary slots are ready to give you a fun fright
Olivia Richman
Everyone loves getting a little scary during the spooky season, and that includes slots players looking for their next fun thrill. Whether you’re watching a scary movie on a dark night, visiting a haunted house, or playing some particularly frightful slots, there are many ways to get in the seasonal mood. And we’re not talking jack-o-lanterns or Frankenstein’s monster, either. We’re talking about some downright dark and twisted slots that …
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What are cluster slots, and how do they work?
Fariha Bhatti
The cluster mechanic in online slots is one of the biggest key features available to players, helping them to potentially win big on small base bets. Here’s everything players should know about how cluster slots work and what to expect from them. Traditional slots only pay when matching symbols line up as needed along set paylines, which means consistent wins rely almost entirely on getting lucky around this static result. …
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This new Tim & Larry slot is both fun to look at and fun to play
Fariha Bhatti
The new Tim & Larry slot mixes cartoon visuals with some serious betting mayhem to deliver a rewarding experience to bettors looking for their next big thrill. Tim & Larry is a new slot game from acclaimed developer Croco Gaming, and it’s a real visual treat for players who like their slot action light on gimmicks and rich in color. The animated game is inspired by a classic cartoon rivalry, …
Explaining the scatter mechanic in online slots, how it works
Fariha Bhatti
Slots
Online slots can feature a broad variety of mechanics, and the scatter mechanic is one that players will absolutely want to familiarize themselves with if they’re hoping to find the right spins and land some big payouts. Scatter symbols are some of the most sought-after icons in slot games online, especially in games that feature high-paying bonus rounds. Here’s what they are and why players are so eager to chase …
These basketball slots are an absolute slam dunk
Olivia Richman
Slots
Basketball is one of the most action-packed sports out there, and it has proven itself to be a great basis for a number of fun slots. The screeching of sneakers, the fast-paced passing and shooting, the powerful slam dunks, it can all come together on the reels. From old-school slots with straightforward features to fresh slot experiences with mini-games that test your basketball skills, these themed slots are perfect for …
The best Halloween slots to play online during this spooky season
Fariha Bhatti
Slots
The fall season always brings with it a fresh wave of Halloween slots for those planning to spend this spooky time of year spinning the reels. Bettors will enjoy these scary picks, perfect for chasing payouts and finding treats rather than tricks. A good fright is always welcome at a Halloween party or haunted house, but not quite so much during a betting session. Luckily, slot providers have rolled out plenty …
The best online slot promos to be found for October 2025
Fariha Bhatti
Slots
The spooky season is right around the corner, but by taking advantage of the best slot promos for October 2025 to win bonuses, free spins, and more, bettors can make the month seem a little less frightening. Promotions and bonus offers are always among the best ways to dip one’s toes into the betting scene, or take on some new opportunities for play. Veterans can use such promos to stretch …
With Crown Coins behind him, what’s next for boxing star Terence Crawford?
Steven Rondina
Slots
The world finally knows that Terence Crawford is an all-time great boxer, but with massive fan following watching his every move and partners like Crown Coins Casino behind him, questions are already being asked as to what’s next. It’s no secret that success in the ring doesn’t necessarily translate to stardom in boxing. Crawford might be the biggest victim of that in recent history, though. “Bud” has been good enough …
Movie-themed slots you can play online right now
Olivia Richman
Slots
Slot players looking for a cinematic slots experience with familiar, movie-inspired themes have a lot of options available to them online. With familiar faces and locations abound, these slots call back famous scenes with their symbols, music, sound effects, and animations. From goofy comedies to classic monster flicks, these movie-inspired slots balance fun themes with dynamic gameplay to allow players to find that same escapism online that they once felt …
These are the very best online slots released in September 2025
Olivia Richman
Slots
The weather may be cooling down, but the online slots are still heating up as exciting new games continue to be released moving into September 2025. New slots are popping up that offer unique twists and themes while also featuring some of the more reliable mechanics and gimmicks in the slots world. From sneaky foxes, to bank-robbing kitties, to greedy leprechauns, September brings new slots that are full of fun, …
What to make of Pragmatic Play pulling out of US sweepstakes
Olivia Richman
Slots
iGaming supplier Pragmatic Play will no longer have licensing available to sweepstakes casino operators in the United States, leaving those in and around the betting and gaming industry to wonder what the next steps might be as the sweeps landscape continues to evolve in the US. At the time of the announcement, Pragmatic Play already wasn’t providing its games in the United States, which has brought some to question why …
The very best online slot promos available for September 2025
Fariha Bhatti
Slots
The month of September 2025 is bringing with it a fresh batch of slot promos for the taking, and we’ve gathered here the very best promo opportunities to take advantage of. Serious bettors are always on the hunt for the best offers across various providers. Luckily, those slot providers are happy to roll out promotions almost year-round, giving players extra value left and right, and a chance to make free …
With a bit of luck, these high RTP slots offer some of the most frequent wins online
Olivia Richman
Slots
Everyone has their own reason for hanging out and playing slots online, but if you’re the type of bettor who just loves to find the most frequent wins and wants to find them as frequently as possible no matter their size, we’ve got you covered. While casino operators do come out ahead of their players in the end no matter which slot you choose, the following slots offer relatively consistent …
These football slots could be just the ticket for the next big score
Olivia Richman
Slots
With a new season approaching for American football fans, there’s no better time to check out the best online slots themed around football, including all of the big hits and even bigger scores that light up millions of fans each week. These slots blend straightforward and familiar gameplay with explosive winning potential for an experience that’s almost as exciting as the sport the games are based around. Featuring football players …
Checking out the best new slots to release in August 2025
Olivia Richman
Slots
The month of August 2025 is heating up for online slots players, as the new slots to release this month look set to offer something for everyone, ranging from creepy games with intense gameplay to relaxing and even adorable slot games that swap the horror icons for sweets and treats. So kick back, prepare to spend the remainder of your summer break spinning these new slot reels, and keep your …
Online slot games have become a massive form of entertainment for gamers and bettors alike. What started as simple backroom fruit slots back in the day has exploded into a multi-billion dollar industry full of dynamic online slots with fun themes and bonuses.
Indeed, their simplicity and win potential is what makes them the game of choice for
top casino streamers
as they chase the jackpots.
The history of online slot machines
Slot machines may seem like a relatively recent invention, but they date back to the 19th century. Of course, they were then mechanical, featuring three rotating wheels with different fruit symbols that could match up for a prize.
While these early fruit machines were easy to manipulate, digital slots in the 1970s represented a massive evolution of slot machines. Instead of mechanical reels, digital slots featured digital screens. This allowed for more fair play and a wider range of themes that made slot machines a lot more fun. Companies began implementing new and interesting gameplay mechanics to create further variety, including bonus games and animations. Perhaps just as important was the implementation of the random number generator, which promised randomness to avoid bettors feeling ripped off by the establishments hosting the slots.
Yet the biggest innovation was still to come, and that was the introduction of online slot games in the 1990s. This is around the time the first online casino launched, making slot machines much more accessible.
Into the 2000s, the slot industry saw a wider range of graphics and themes being consistently introduced, allowing for added elements like wilds and
scatters
that were much more difficult to implement in mechanical slots offline. Online slot machines also saw the creation of progressive jackpots and other mechanics that made the gameplay more dynamic and rewarding than ever.
Online casinos earned $830 million in 2021, with the largest markets being in China, the United States of America, the United Kingdom, and Japan. The industry has only grown in value since then, with revenues reaching far greater heights. A projected growth of 11.4% by 2028 would put their combined earnings at a whopping $158 billion.
Online slots are often the most lucrative game category at
popular online betting sites, earning 60% to 80% of many online casinos’ gaming revenue.
Types of online slot machines
Bettors will find a wide range of online slot machine options online, from classic slot game experiences to Megaways slots. Here are the most common categories at online casinos:
Classic Slots
These simple three-reel slots are based on the original mechanical slot machines from the 19th century. Very straightforward in design, these classic slots have players spin the reel and try to match symbols for a payout. These symbols usually include fruits, bars, and sevens, just like the original mechanical games they’re based on.
Video Slots
Usually featuring five reels, video slots have a wider range of themes than do classic slots. Video slots have added visual elements, like animations and even cohesive storylines that play out over the course of a game. There are also added game features, including free spins, scatter symbols, bonus rounds, and other innovative mechanics.
Progressive Slots
Progressive slots have massive payouts compared to other slot types. This is due to every bet going into a cumulative jackpot, which can be standalone, local, or networked across multiple casinos. The jackpot will grow as more people make bets but it can sometimes be a bit more complex to win, requiring the unlocking of a bonus game or other, similar elements. But those who want to take greater risks in the name of
bigger rewards
will likely enjoy progressive slot games.
Megaways Slots
Megaways have been one of the most significant changes to present-day online slots. Megaways increase the number of reels and symbols, which leads to even more way more ways to win for players. The standard number of winning means on a Megaways slot is 117,649, although some have even more.
Multi-Payline Slots
Multi-payline slots have more lines than do traditional slots, usually 10 or 20, though some slot games can push that number up into the hundreds. This increases the player’s chance of landing winning combinations, which can either be straight or a wide range of patterns, depending on the game. The overall bet is usually larger, and so are the potential winnings.
Virtual Reality Slots
As gaming technology advances, so do the ways players can gamble with online slots. Along with mobile and browser-focused slots, there are virtual reality games that require VR headsets. This can fully immerse the player in the slot’s world, creating a dynamic experience with more engagement.
Online slot machine terms to know
Online slot machines have a lot going with them when compared to traditional slots, but they don’t have to be confusing. Here are some useful terms to remember:
- Reels
– Reels are what the symbols are placed on, spinning independently every time a bet is placed. Most online slots feature between three and five reels.
- Paylines
– With online slots, players can bet on multiple paylines, meaning there are hundreds of potential ways to win off each individual spin.
- Bet max
– This is the maximum wager players can make on a single spin.
- Bet minimum
– Opposing the max bet, this is the minimum wager players can make on a single slot spin.
- Bonus features
– Online slot games have a lot of bonus features, which refers to the extra happenings that take place on the grid. This includes wilds, scatters, and free spins. These can even lead to bonus games.
- Multiplier
– This is a common bonus feature that can multiply a player’s winnings if it appears on the slot at the right time. Each slot has its own
multipliers, with some going as high as x100 or even greater.
- Volatility
– With a spectrum ranging from low to high volatility, this determines how risky the slot machine is. Some slots have less volatility but smaller jackpots, while others have high volatility and the chance for even bigger payouts.
- Return to Player
– Often shortened to RTP, this is the percentage figure showing how much cash the slot will pay back to the player over time. For example, a slot that has an RTP of 96% means players can win back up to $96 of their $100 bet on average. We consider anything above 96% an
enhanced RTP
slot and these are generally the most popular.
Keeping these terms in mind is more than enough to get any player started in their online slots journey.
Slot game providers
The online slot market is big business.
According to Grand View Research, the online casino industry globally was worth $19.1B in 2024, and slots are a major driver behind that. There are hundreds of development studios that regularly release new games, with the biggest, such as Pragmatic Play and NetEent, launching multiple every month.
There are also many niche studios that focus on highly unique games, but the big names are renowned for pushing the limits both in terms of features, but also themes and win potential. NoLimit City, for example, has a reputation for extremely high volatility with slots such as
True Grit Redemption 2. Pragmatic Play, meanwhile, has plenty of series that have spawned sequels, with
Sweet Rush Bonanza
one of the most notable recent examples.
In short, there has never been a better time to be a slots player, with all manner of themes covered at the
best crypto casinos.
