Skip to content


12Bet Casino Official Site

6 Types of Slot Machines Online for Your Casino Adventure

A 3D image of a laptop with an online slot game on its screen while situated inside a land-based casino filled with different types of slot machines

Online slot machines offer an exhilarating and diverse gaming experience that caters to every type of player. But did you know that there’s more than one kind aside from your usual three reel slots? In this casino guide, we’ll introduce you to seven different types of slot machines online that will elevate your online casino adventure. We’ll dig into it all from the classic slots down to cutting-edge virtual reality slots.

Ready to take a spin and test your luck on the reels? Keep reading to explore these captivating slot categories in detail!

Slot machines are one of many types of casino games that have evolved significantly over the years. Not only do different slot machine games offer an array of themes, slot features, and gameplay styles—but they also come with varying prizes. The end game of each slot, in general, is to give players rewards whenever they align specific symbols on the reels.

With the rise of different types of slot machines, the game itself has significantly improved. Players are also now dazzled with sensational graphics, mesmerizing animations, and immersive sound effects. Not to mention how incredibly convenient online play is now, allowing players to immerse themselves in the slot world from the comfort of their own space.

These days, however, online slots are no longer limited to your classic three-slot game. There are many different types of slot machines now that come with their special features and varying prizes. Let’s take a closer look at each of them below.

Classic Slots (AKA Three-Reel Slots)

Classic slots, also known as three-reel slots, are the embodiment of simplicity and nostalgia. One of many types of slot machines online, it features three spinning reels adorned with classic symbols like fruits, bars, and lucky sevens. With straightforward gameplay and fewer paylines, classic slots are perfect for beginners and those who appreciate a bit of nostalgia.


  • Beginner-Friendly: Among the many types of slot machines, three reel slots come with straightforward gameplay and uncomplicated rules. Thus, making them a hassle-free introduction to the world of online slots.
  • Fast-Paced Action: Classic slots are all about quick and exciting gameplay. With their straightforward rules and minimal distractions, players can enjoy a fast-paced slot experience that keeps them engaged and entertained.


  • Limited Variety: Three reel slots often feature similar themes and lack the diverse range of features found in other slot types. This can lead to a sense of repetition for players looking for more variety.
  • Lower Jackpot Odds: They also typically offer lower chances of hitting large jackpots compared to their counterparts. If you’re aiming for those life-changing wins, you might find other types of slot machines more rewarding in terms of jackpot potential.

Classic (Three Reel) Slots Online:

  • Mega Joker: Among many types of slot machines for real money, this timeless NetEnt title provides a straightforward and nostalgic three-reel experience. It includes a Supermeter mode, elevating your chances for greater wins.
  • Break Da Bank: Microgaming’s Break Da Bank slot takes you back to the basics with its three reels and five paylines. It’s known for its high volatility and the potential for significant payouts.
  • Couch Potato: Another Microgaming classic, Couch Potato, is a free three-reel slots game with a traditional theme with a wild multiplier symbol that can boost your winnings.

Multi Payline Slots

If you prefer more action-packed gameplay, multi-payline slots are your best bet. This is one of those types of slot machines that offers multiple paylines for more opportunities to win with each spin. From 10 paylines to 243 ways to win, these types of slots bring excitement and variety to the reels.


  • Enhanced Chances of Winning: Compared to other types of slot machines, you have more opportunities to align matching symbols and claim your rewards.
  • Wide Range of Themes and Features: Whether you’re into ancient civilizations, fantasy worlds, or classic fruit themes, you’ll find a multi-payline slot that will cater to your preferences. It also comes with bonus games, free spins, and special features, providing an entertaining and diverse gaming experience.


  • Bets Can Add Up Quickly: Remember to be mindful of your bets with one of these types of slot machines. Activating multiple paylines means your total wager increases accordingly. This can result in your bets adding up quickly, potentially impacting your bankroll if you’re not careful with your betting strategy.
  • Not Great for Beginners: Multi-payline slots, with their multiple lines and varied betting options, may be slightly more complex for beginners. If you’re new to online slots, it might take some time to fully grasp the mechanics and various payline configurations.

Multi Payline Slots Online:

  • Starburst: NetEnt’s Starburst is a popular multi-payline slot with expanding wilds and vibrant gemstone symbols. It offers 10 paylines and exciting gameplay.
  • Gonzo’s Quest: This NetEnt slot takes players on an adventure like many types of slot machines. It has 20 paylines and a unique Avalanche feature, where winning symbols explode and are replaced by new ones.
  • Immortal Romance: Microgaming’s Immortal Romance is one of few online 5 reel slots that come with an intriguing vampire theme. This online slot comes with a captivating storyline as well, and best of all, 243 paylines.

Slots with Bonus Games

Different slot machines come alive with the inclusion of bonus games. This is one of those types of slot machines that go beyond standard spins, introducing interactive bonus rounds that hold the potential for large prizes. Whether you’re uncovering hidden treasures, spinning prize wheels, or engaging in exciting mini-games, the thrill of bonus features is hard to beat.


  • Higher Earning Potential: Bonus rounds within online slots typically come with the potential for substantial payouts. During these special features, players have the opportunity to win more significant sums compared to standard spins.
  • Enhanced Entertainment Value and Engagement: They also break the monotony of the regular spinning types of slot machines and keep players engaged by offering unique challenges and rewards. Bonus features often come with thematic elements that tie into the slot’s storyline, making the gaming experience more immersive.


  • Bonus Rounds May Not Trigger Frequently: Some of them may only come after a certain number of game rounds. Therefore, it can result in players experiencing periods of smaller wins as they await the next bonus round.
  • Complexity of Bonus Games: Some bonus games often introduce new mechanics, rules, or mini-games that require additional attention and decision-making. While this complexity adds depth to the gameplay, it may not be suitable for those seeking a more straightforward slot experience.

Slots with Bonus Games Online:

  • Barber Shop Uncut: Thunderkick’s Barber Shop Uncut boasts a fun slot game featuring interesting barbershop customers and essentials. Their bonus game includes free and unlimited spins, along with a generous multiplier. To activate the bonus game, simply land five Bonus symbols on the reels.
  • Sweet Alchemy: Get sweet rewards every time with Play’n GO’s mobile slot game—Sweet Alchemy. It comes with a powerful Elixir of Power bonus game where you can win up to x10 your bet! This round is triggered after finishing Level 1 during the game’s generous Mix the Elixir Free Round.
  • Avalon II: Avalon II is one of those online 5 reel slots with numerous bonus features. In this game, it is centered around the Holy Grail symbol. Land three or more Grail symbols to trigger the Grail Quest, a multi-stage bonus offering progressively larger rewards.

Progressive Slots

Dreaming of hitting the jackpot and becoming an instant millionaire? Progressive online slot machines offer exactly that opportunity. They’re one of few types of slot machines that feature a jackpot that grows with every bet placed by players across the network. As the jackpot swells, so does the excitement of winning a life-changing sum.


  • Life-Altering Jackpot Prizes: Many online slots offer jackpot prizes. However, progressive slots offer jackpots that can grow to astronomical amounts, sometimes reaching millions of dollars. 
  • Variety of Themes: Progressive slots come in various themes and styles that can suit a player’s preference. Whether you enjoy exploring ancient civilizations, embarking on adventures, or delving into fantastical realms, you can find a progressive slot that aligns with your interests.


  • Low Odds of Hitting Jackpot: While the potential jackpot prizes are massive, the odds of hitting the progressive jackpot are relatively low. This is because a portion of each player’s bet contributes to the jackpot pool, and as a result, it can take a considerable amount of time before someone finally claims the jackpot.
  • Maximum Bets Required: To qualify for a chance at the progressive jackpot, players often need to place maximum bets on each spin. This requirement can be costly for some players, especially those who prefer to wager conservatively.

Progressive Slots Online:

  • Mega Moolah: This safari-themed slot by Microgaming has previously awarded progressive jackpots exceeding €18 million. The game is connected to four progressive jackpots and includes a free spin round.
  • Mega Fortune: NetEnt’s Mega Fortune is another progressive slot known for not just one, but three progressive jackpots. You can activate these jackpots by landing three or more bonus symbols consecutively on an active payline.
  • Divine Fortune: NetEnt’s Divine Fortune features a Greek mythology theme and offers players the chance to win three types of jackpots. The Mega jackpot is progressive and is won when you fill three rows with bonus symbols.

Virtual Reality (VR) Slots

Immerse yourself in a whole new dimension of gaming with VR online slots. Virtual reality technology takes you inside the slot game itself, where you can interact with the environment and symbols. Players are often required to download these games onto their desktops or computers and must be equipped with virtual reality headsets.


  • Immersive Gaming: Virtual slots offer an unparalleled level of immersion and realism with the use of VR equipment. This provides players with a unique and truly captivating gaming experience of being transported into a virtual world.
  • Cutting-Edge Gaming Technology: VR Slots represent the cutting-edge of gaming technology, showcasing innovation at its finest. The advanced graphics, audio, and immersive environments contribute to an unforgettable adventure for players.


  • Requires VR Equipment: One of the main drawbacks of virtual reality online slot machines is that they require specialized VR equipment, such as a VR headset. These devices can be quite expensive and not everyone has access to VR equipment, limiting the audience for VR slots.
  • Limited Availability: While the popularity of VR gaming is growing, VR slots are still relatively new and limited in terms of availability. You won’t find as many VR slot titles as traditional online slots as it’s still emerging in the gaming industry, and not all online casinos offer this option.

Virtual Reality Slots Online:

  • Jack and the Beanstalk VR: This NetEnt slot is now also available in virtual reality. It now allows players to engage themselves in the fairy tale adventure like never before.
  • Gonzo’s Quest VR: Experience Gonzo’s Quest in virtual reality, where you can join the explorer on his quest for hidden treasures. The 3D graphics and animations closely resemble what you’d expect in an animated film.
  • Cosmic Fortune: Developed by NetEnt, Cosmic Fortune is a captivating VR slot played on five reels with 15 available paylines. This space-themed game features symbols like alien monsters, the moon, and other space-related items.

3D Slots

Reactoonz Slot in the middle of gameplay

For those who appreciate cutting-edge graphics and animations, 3D slots are one of the types of slot machines that’s a visual delight. These games bring characters and symbols to life with stunning three-dimensional visuals. With engaging storylines and cinematic effects, 3D slots offer an immersive gaming experience.


  • Stunning Graphics and Animations: 3D online slots take the visual aspect of slot gaming to a whole new level. The 3D graphics make the symbols and characters come to life on your screen, creating an eye-catching and visually appealing experience.
  • Captivating Storylines: 3D slots often come with engaging storylines and cinematic effects that add depth to the gameplay. You’ll find yourself immersed in a world of storytelling as you spin the reels. These slots go beyond traditional gameplay and offer a more interactive and narrative-driven experience.


  • Higher System Requirements: To enjoy 3D online slots to their fullest, you may need a device with higher system performance. The advanced graphics and animations can be demanding on your computer or mobile device. Players with older hardware may experience slower gameplay or compatibility issues.
  • Limited Availability: While the popularity of 3D slots is on the rise, they may still have limited availability at some online casinos. Not all gambling platforms offer a wide selection of 3D slot titles and players may need to explore different online casinos to find their preferred games.

3D Online Slots:

  • Reactoonz:  Reactoonz, created by Play’n Go, is known for its out-of-this-world 3D visuals that transport players onto outer space. Symbols include cute little alien-like characters and a monstrous wild symbol that fills up the grid during a special round.
  • Dr. Jekyll & Mr. Hyde: A captivating 3D online slot by BetSoft; the game’s graphics transport you to Victorian-era London. The symbols, backgrounds, and animations are all meticulously crafted to create a dark and eerie atmosphere, enhancing the storytelling aspect of the slot.
  • Mamma Mia!: Another gem from BetSoft, Mamma Mia! boasts impressive 3D graphics and animations. Set in an Italian restaurant, the game’s visuals are filled with mouthwatering dishes, lively characters, and a vibrant kitchen backdrop. 

Find Your Perfect Match With Different Types of Slot Machines

The world of online slot machines is as vast and diverse as the players who enjoy them. With the six types of slot machines online, there’s a game that fits the bill for you. Whether you prefer the simplicity of classic slots, the excitement of progressive slots, or the immersion of VR and 3D slots, there’s a game waiting to provide you with endless entertainment. So, take your pick, spin those reels, and let the adventure begin. With a bit of luck on your side, you might just hit that major jackpot!

Leave a Reply

Your email address will not be published. Required fields are marked *