Recommended Online Slots Games

Here you’ll find your favorite online slot games, and maybe some you haven’t played before. Online slot games have a lot to offer players in terms of jackpots and big bonuses, with lots of free spins too. The trouble is that there are hundreds of different games to play, on hundreds of different sites. Finding the best games and offers yourself can be very tricky.

At WhichBingo we have compiled a list of the best known games according to what promotions are on offer, the graphics and gameplay, and the money to be won. We update this list regularly, so remember to come back again, and check out our list to find your new favourite slots game.

While many people associate slots with the fruit machine sitting at the corner of the pub, online slots is a whole different animal! Thanks to computer technology, game designers can let their imagination run wild, and they come up with new games with different themes much faster. Online slots are beautifully animated that can sometimes upon up additional game screens that go far beyond spinning reels into a cinematic experience. Many come with extra bonus features with more cash prizes to be won. On this page, we will explain everything you need to know about online slots, from the various types of games, the most famous game makers, plus the best places to play them at!

Types of Slots

Online slots come in many different forms, here are the main types of games you will see:

  • Three reel classic slots: These games have just 3 reels. The reels are the columns where the symbols go down the game. You win when you get 3 matching symbols crowing across the middle of all 3 reels. These are also known as fruit machines, because back in the days, the most popular symbols in these games were cherries, lemon and prune, along with the 7 and Bar symbols.
  • Five reel slots: Most online slots have 5 reels. This allows for greater variety in game play, with more paylines possible, in contrast to the singular payline in the classic slot. The majority of five reel slots are also video slots, with bonus game sequences that can be activated when you spin Scatter symbols.
  • Slots with progressive jackpots: These jackpot games pay out much higher than regular online slots, because they are networked together and each time someone plays, it contributes to the common jackpot, which can be won by just one person at any time. Payouts are often literally in the millions, while the smaller ones can easily add £10k to your bank account.
  • Slots with 243 ways to win: Online slots have a lot more winning combinations possible, zigzagging across the rows and reels. Sometimes it’s hard to keep track. So game designers calculated what’s the maximum number of paylines possible, and maths revealed it’s 243. With 243 ways to win games, it’s much simpler: as long as your symbols are touching across the reels, you win. In exchange for this absolute set up, 243 ways to win slots tend to have a higher minimum bet than other games.
  • 3D slots: This used to be a really big deal, when game designers started to draw amazing slots in 3D to develop a richer gaming experience. As computers got more powerful, animation has really taken off in the last decade or so and now this is something you can expect from most slot games. It’s just like playing the new Nintendo or Xbox games.

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Can you play Slots on Mobile?

The answer is Yes! Most of the most popular slots have been adapted for playing on smartphones and tablets. Some designers have even taken it a step further to take advantage of the swipe on tap features of the touchscreen on mobile devices to make the gaming experience more immersive. Even though the screen is smaller, the animation is fast, crisp, clear and smooth. Just make sure your internet connection is fast – it’s usually more reliable to play on a Wifi connection than on your mobile data.

Most popular software providers

Game makers are also called software providers, especially the bigger and more established ones, as they often do more than provide just slot games to online casinos. Here are the 5 most popular software providers for UK slot players:

  • NetEnt: Formerly Net Entertainment, NetEnt is a Swedish company that’s most famous for quirky and cute graphics and high production qualities. They are also famous for progressive jackpots, Mega Fortune having once held the world record for biggest jackpot payout ever.
  • Microgaming: A giant in the gaming industry, Microgaming is known for developing a wide range of games to suit a variety of gaming styles. The company also develops a lot of games for Blackjack, Roulette and other casino favourites.
  • Playtech: Among slot players, Playtech has a bit of a reputation for high variance slots, which means slots that don’t payout often, but when they do, prizes tend to be bigger. Playtech is also quite prolific when it comes to progressive jackpots and always have new jackpot series rolling out.
  • Quickspin: Quickspin, although not in the top three of software providers, is a well-established and popular for its slots. Their video slots are always pushing the boundaries with great animations and innovative game play.
  • NYX: NYX is also a well-loved provider for video slots. They roll out new games all the time in a mish mash of styles. They also make great instant games like Keno and Scratch cards.

What are Casino slot paylines?  

A payline is where you need to line up your matching symbols to win. In the classic slot, this is the line across the middle of all 3 reels. In video slots, paylines vary wildly and can go up and down the reels, but in general you will win if you have 3 matching symbols on a payline. Video slots will show their paylines in the Paytable or Info section of the game.

Video slots usually have multiple paylines – 10 or 15 paylines are popular, but they do go up to 25 or even 50. Some games will let you choose how many lines you want to bet on. Others have all the paylines active and you will be bet on them all the time.

What special features and symbols are there in slots?

Online slots typically have some special symbols and features you won’t find at an old fruit machine. Here are the most common special symbols you’ll see:

  • Wilds: A Wild symbol can substitute any other symbol to form a winning payline. So if you have 2 matching symbols plus 1 Wild, then that Wild can become the 3rd matching symbol to deliver a win. However, it usually cannot substitute a Scatter symbol.
  • Scatters: Scatter symbols unlock bonus features. Usually, but not always, you will have to spin more than one to activate the features.
  • Bonus features: Bonus features come in all sorts of different forms. Sometimes you will be awarded a round of free spins. Sometimes you’ll break away from the reels into pick me games where you will uncover more prizes that can include cash prizes and multipliers.
  • Multipliers: These have the potential to deliver serious wins. It’s exactly what the name suggests. They multiply your win. For example, a 2x multiplier will double your win. It’s not unheard of to get multipliers in the hundred fold!

Is gambling on a slot machine random?

Yes, slot machines (at least the ones from trusted developers) operate randomly. That means with each spin, the chance of winning is the same. However, there is this thing called the Return to Players Rate (RTP) that is programmed into the game. This is how often the slot pays out over time. A higher RTP rate means that the game plays out more frequently than a lower one. Slots above 95% are considered to have a high RTP.

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What are “loose slots”?

Loose slots are games that are known for their frequent payout. These are also called low volatility slots. The payouts are rarely big, but you’ll see them often and they will keep your morale – and bankroll –  up. Perhaps the most popular loose slot is Starburst from NetEnt.

Are there any slot strategies?

Generally speaking, due to the fact that slots payout randomly and rely on luck, there aren’t really slot strategies, at least not in the scientific sense of the word. However, we do have some great tips to enhance your general gaming experience!

Slot Tips

Go for a slot with a higher RTP: Although payouts are smaller, games with a higher RTP will let you win more frequently. This is important especially for beginner players to feel the excitement of winning is well within reach. Plus the wins will help to keep your bankroll floating.

Always read the pay table: The paytable will show which symbols are the most valuable, and how much they can pay. It will also show you what bonus features are available and describe how to play them.

For large wins, play volatile games: While some of us are happy with modest but frequent wins, it has to be said there is a special thrill to winning big. If that’s what you’re looking for, then check out “high variance” or “volatile” games. Some patience might be required before you start raking in the cash.

Bet on all paylines: Betting on all the paylines in the game will increase your chance of a win. If you are only betting on 1 payline in a 20 payline slot, you are missing out on the 19 other ways you could win, or trigger a bonus game. It will cost you a bit more to bet on all lines, but you can usually balance your budget by setting a smaller coin size instead.

Try games with smaller jackpots: If you’d like a more realistic chance at winning a progressive jackpot, try one of the smaller jackpot games. Large jackpot games are highly competitive, and the odds aren’t high. If you would actually like to win, a progressive game with a smaller jackpot won’t have so many players, which means less competition for you.

Know when to stop: Finally, it’s not fun when you end up losing more than you can afford. Set a budget from the beginning, and once you reach it, stop. You don’t want this to affect your daily life. Most online casinos will let you set a loss limit which will bar you from further play when you’ve reached your preset limit.


With games coming in all sorts of different themes and with different features and bonus games, online slots is a whole new universe to discover. Hopefully with our experts’ detailed guide to online slots, you should now feel more than knowledgeable and comfortable about these games. Most slot sites and online casinos will let you play these games for free in demo mode, so you can get a taste of how things work before playing to win real money. Give things a spin for yourself at one of the trusted slot sites listed here!