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Slot Review

King of Slots

Our Rating:

89.66% Gold star

King of Slots by NetEnt
No, take me back

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0,00% No star

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TOP CHOICE TO PLAY FOR REAL MONEY

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USARated 99.46/100%

welcome bonus

360%/$220,000

60x wagering

Number of games
610+
Payment methods
5
Game providers
64
Min deposit
0.01
US Players
Accepted

OTHER TOP CHOICES FOR REAL MONEY PLAY

Marina Kostadinova | Content Strategist

Updated: May 16, 2025

Quick Facts

Provider: ProviderThe Slot Provider is none other than the company who developed the slot. Simply click on the name of the provider to find our more about it!
Date Launched: Date LaunchedThe date when this slot game was launched. 30/03/2015
Theme: ThemeTheme is the general genre that the the slot could be classified as. One of the elements that makes slot games appealing, A nicely planned popular theme can potentially skyrocket the popularity of an online slot! Classic Fruit Style, King
Jackpot: JackpotA stand-alone or multi-leveled progressive prize pool that a player can win at a given time, simply by spinning the reels.
Special Symbols: Special SymbolsThe special symbols of a slot are part of its mechanic. Elements such as Wilds, Scatters and regular paying symbols come together to form winning combinations. Scatters, Sticky, Wilds

Review Summary

Blending classic slot visuals with a few modern twists, King of Slots by NetEnt is a retro-inspired game that packs surprising depth. Set on a 5x3 grid with 25 fixed paylines, it features elegant jewel-toned fruit symbols and a regal atmosphere. With a high RTP of 97% and medium volatility, the slot offers both frequent wins and decent payout potential. The highlight is the Sticky Wins mechanic, which locks winning symbols for free re-spins, giving players a chance to chain wins. The Free Spins round is triggered by 5 or more Scatters and can reward up to 30 spins, with a 3x multiplier on all wins during the bonus. While the visuals are more traditional, the gameplay is engaging and smooth across all devices. Its simplicity is a strength, but may not appeal to players looking for more complex mechanics or bonus games. Still, this regal fruit slot holds its crown well.

Slot Information

Return to Player (RTP): Return to Player (RTP)The Return to Player is a statistic that aims to show the player's edge over the casino - the higher this number is the better! We review all slots based on this RTP value so click on the percentage on the right to find our more slots with a similar RTP! 96.96%
Volatility/Variance: Volatility/VarianceVolatility or Variance is meant to describe the winning potential of a slot game: a high volatility will have you win big but no so often, while a low volatility will let you win frequently, but less. Low
Progressive Slot: Progressive SlotA progressive slot is a slot that keep on growing its total possible winning pool; usually linked by a network of slots. It is also known as a jackpot.
Slot Type: Slot TypeSlots can be categorized as classic, 3D, video slots, etc. Click on the type of slot on the right to see similar types of slots! Video Slot
Rows: RowsPart of the design of the slot, the rows are the horizontal lines that trigger special features when certain paying symbols fall in place.3
Reels: ReelsReels are the vertical lines that are build in the slots architecture; together with the rows they help trigger special winning combinations.5
Paylines: PaylinesPaylines, or betting lines, are the pre-determined links of symbols across the rows and reels of a slot. A slot can have anywhere from just 1 payline or up to thousands paylines! 25
Slot Layout: Slot LayoutThe layout of the slot is the way the slot is built, based on the number of rows, reels and paylines. 5 x 3

Slot Features

Minimum Bet: Minimum BetThe minimum accepted amount that will allow you to spin the reels of this slot game. $0.25
Maximum Bet: Maximum BetThe maximum accepted amount that will allow you to spin the reels of this slot game.$250
Maximum Win: Maximum WinThe total maximum amount that you could win triggering the biggest winning combo. $250000
Progressive Slot: Progressive SlotA progressive slot is a slot that keep on growing its total possible winning pool; usually linked by a network of slots. It is also known as a jackpot.
Auto Play Feature: Auto Play FeatureAuto Play is a built-in function on the slot interface that enables automatic spinning of the slot without the player having to press the Spin button on every spin. Usually, the function can be preset to auto execute a certain number of spins like 20,50, 100, or more. Players can typically define their bet amount and set loss limits before starting Auto Play.
Free Spins Feature: Free Spins FeatureFree spins are the most popular feature in online slots today. Usually they are not just a free spinning on the usual gameplay of the slot but are bundled into separate and more exciting feature with special effects and much greater winning potential.
Available: Android, IOS, Windows

Pros

  • High RTP of 97% for better long-term returns
  • Sticky Wins add excitement and increase potential
  • Free Spins round with up to 30 spins and 3x multiplier

Cons

  • Gameplay may feel too simple for seasoned players

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Screenshots

King of Slots Slot Homepage

King of Slots Slot Homepage

King of Slots Slot Baseplay

King of Slots Slot Baseplay

King of Slots Slot Winning Combination

King of Slots Slot Winning Combination

King of Slots Slot Free Spins

King of Slots Slot Free Spins

King of Slots Slot Mega Win

King of Slots Slot Mega Win

King of Slots Slot Symbol Payout Values 1

King of Slots Slot Symbol Payout Values 1

King of Slots Slot Symbol Payout Values 2

King of Slots Slot Symbol Payout Values 2

King of Slots Slot Winning Bet Lines

King of Slots Slot Winning Bet Lines

Expert’s Opinion

Marina

363 Articles

King of Slots delivers a satisfying fusion of vintage style and modern mechanics. Its Sticky Wins feature stands out, enhancing winning streaks by locking successful combinations for re-spins. This adds an engaging layer of excitement, especially when paired with the lucrative Free Spins round that offers up to 30 free plays and a 3x multiplier. The 97% RTP is a significant advantage, suggesting solid returns over time. Visually, it remains loyal to traditional fruit slots with a gem-like twist, which can be charming to some but underwhelming to others. The lack of a jackpot or additional bonus rounds might deter high-thrill players. Still, its straightforward mechanics, reliable payouts, and elegant polish make it a worthwhile choice for casual and mid-level players looking for consistent fun with decent reward potential.

8.97 /10 by Marina Kostadinova

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Introduction to King of Slots

King of Slots Slot LogoOffering a refined twist on classic slot machines, King of Slots by NetEnt brings together nostalgic symbols, elegant visuals, and modern gameplay dynamics. The game is built on a 5-reel, 3-row grid with 25 fixed paylines and is themed around jewel-encrusted fruits and royal emblems. With its shimmering backdrop and calming soundtrack, the slot feels polished and immersive from the start. While its aesthetic is reminiscent of traditional slots, the mechanics introduce sticky wins and free spins that keep things engaging. King of Slots offers something for both casual and serious players, thanks to its accessible gameplay and relatively high RTP. The experience is enhanced by smooth animations and a solid mobile-optimized design. Whether you're looking for a relaxed play session or chasing bigger wins, this title delivers a seamless combination of charm and winning potential, packaged in a simple yet rewarding setup that pays homage to the golden era of slots.

King of Slots Slot Provider

NetEnt Logo

NetEnt

USA Rated 97.62/100%

461 Casinos | 228 Games

All Casinos
Number of games
228
Country
Sweden
Founded
2000
  • Slots
  • Table Games
NetEnt, a pioneer in the online casino industry, is the force behind King of Slots. Known for developing high-quality games with inventive features, NetEnt has been delivering premium content since the mid-1990s. The studio is celebrated for hits like Starburst, Gonzo’s Quest, and Dead or Alive, consistently combining strong visuals, sound design, and well-balanced gameplay. King of Slots showcases NetEnt’s dedication to offering accessible, reliable, and enjoyable slot experiences. Built using cutting-edge HTML5 technology, the game is optimized for both desktop and mobile play. NetEnt's commitment to fairness and innovation is evident in every spin of this royal-themed game.

King of Slots Slot Characteristic:

CharacteristicValue
Paylines25 (fixed)
RTP97%
Max Win€250,000 (1,000x max bet)
Bonus GameFree Spins
Special SymbolsSticky, Wilds, Scatters
Paid SymbolsCherries, Lemons, Watermelons, 7s, Crowns
Free SpinsYes (up to 30 with 3x multiplier)
Reels5
Rows3
Slot Layout5×3
TechnologyHTML5
PlatformsMobile, Desktop, Tablet
Minimum Bet€0.25
Maximum Bet€250

King of Slots Slot Gameplay and Mechanics

King of Slots Slot BaseplayThe gameplay in King of Slots is straightforward yet subtly strategic, relying on the popular Sticky Wins feature to build momentum. After every winning combination, the involved symbols freeze on the reels while the rest spin again — a dynamic mechanic that can lead to cascading wins if more matching symbols appear. This offers a thrilling progression, even when base game spins don’t immediately yield massive payouts.

Complementing this is the Free Spins round, triggered by five or more Scatter symbols appearing anywhere on the reels. The number of free spins depends on the number of Scatters landed, with a maximum of 30 spins available. During these rounds, all winnings are tripled, significantly enhancing the potential rewards. The game features Wilds that substitute for any symbol except Scatters, further boosting your chances of scoring winning combinations. The pace remains engaging without being overwhelming, making it a great fit for players seeking steady, rewarding gameplay.

King of Slots Slot RTP

96-97 RTP RangeKing of Slots stands out with an impressive RTP (Return to Player) rate of 96.96%, placing it above average when compared to many other online slots. This high RTP indicates that over the long term, the game returns €97 for every €100 wagered, making it a favorable choice for players who value consistent returns. The RTP is particularly appealing to players who prefer low-risk gameplay without sacrificing engagement or excitement.

The combination of a high RTP and the Sticky Wins mechanic helps maximize potential over extended play sessions. While no RTP guarantees individual wins, the statistical edge works in the player's favor compared to lower-RTP titles. In practical terms, players may find their bankroll lasting longer here, allowing more opportunities to trigger the Free Spins feature or benefit from consecutive wins. This makes King of Slots not only an enjoyable game but also a sensible option for budget-conscious spinners who seek efficiency in their gaming experience.

King of Slots Slot Volatility

High volatility iconKing of Slots features medium volatility, striking a balanced experience between frequent small wins and occasional larger payouts. This volatility level ensures the game appeals to a wide audience — including cautious newcomers and experienced slot players. In practical terms, players can expect a mix of gameplay outcomes: moderate risk combined with regular rewards, especially during base game spins enhanced by the Sticky Wins.

While high volatility games can be thrilling due to their massive win potential, they often come with longer dry spells. King of Slots avoids this pitfall by providing a steady flow of smaller wins, which helps maintain player engagement. The Free Spins round can still yield considerable returns, particularly thanks to the 3x multiplier. However, you won’t need to wait endlessly for bonus rounds to enjoy the action. This consistency, combined with a generous RTP, makes the game a solid middle-ground option for players seeking both entertainment and decent win potential.

King of Slots Slot Betting Range

King of Slots offers a flexible betting range that accommodates players with varying budgets. The minimum bet per spin is just €0.25, making it a suitable option for beginners or casual players who prefer low-stakes gameplay. With 25 fixed paylines, this base amount covers all lines, ensuring consistent engagement without compromising potential wins. The simplicity of the payline structure, combined with straightforward controls, allows players to quickly adjust their coin value and level to find a comfortable pace.

This low entry point also means that players can prolong their gameplay sessions without depleting their bankroll too quickly. The design encourages extended play, which is particularly beneficial when building up toward the Free Spins round or chasing successive wins via the Sticky Wins mechanic. Overall, the lower betting limits help make King of Slots accessible to a broad demographic, from conservative players to those who simply enjoy frequent, lower-risk spins.

For high rollers or players looking for bigger thrills, King of Slots doesn’t disappoint. The game allows for a maximum bet of €250 per spin, offering substantial payout potential for those willing to take a higher risk. Since the maximum win is 1,000x your bet, a single lucky spin can deliver up to €250,000 in winnings at the highest stake level. This makes the slot attractive for experienced players seeking large rewards through strategic wagering.

The betting interface lets players fine-tune their wager by adjusting the coin value and bet level, creating 10 customizable levels in total. This control ensures that even at higher stakes, players can moderate their exposure per spin. The high-bet range pairs well with the medium volatility, as it provides frequent smaller payouts with the possibility of landing big wins during bonus features. It's a well-balanced system that encourages both methodical and aggressive betting strategies, depending on player style.

King of Slots Slot Symbols Explained

King of Slots Slot WildKing of Slots uses a mix of traditional fruit machine symbols and royal-themed icons, each rendered in sparkling jewel tones for a touch of elegance. The high-paying symbols include a golden crown, which serves as the most lucrative symbol on the reels, followed by classic sevens, watermelons, lemons, and cherries. These symbols contribute to the classic slot aesthetic while offering satisfying payouts when aligned across the 25 paylines.

King of Slots Slot ScatterSupporting the base game are two special symbols: the Wild and the Scatter. The Wild can substitute for all regular symbols to help create winning combinations. Meanwhile, the Scatter is the key to unlocking the game’s Free Spins feature. It’s styled as a blue diamond and appears anywhere on the reels. Landing five or more triggers the bonus round and delivers an increasing number of free spins depending on how many Scatters appear. These symbols not only serve gameplay functions but also help differentiate King of Slots from simpler classic slots.

King of Slots Symbols

The Crown is the highest-paying symbol and offers the largest base game rewards. The Seven, Watermelon, and Cherries follow in payout value. Look out for the blue Scatter symbols to trigger Free Spins and the sparkling Wilds to complete winning combinations across the fixed paylines.

King of Slots Slot High Win Symbol 1

x5 = 400.00

x4 = 60.00

x3 = 20.00

King of Slots Slot High Win Symbol 2

x5 = 120.00

x4 = 40.00

x3 = 20.00

King of Slots Slot High Win Symbol 3

x5 = 100.00

x4 = 20.00

x3 = 10.00

King of Slots Slot High Win Symbol 4

x5 = 80.00

x4 = 20.00

x3 = 6.00

King of Slots Slot A Symbol

x5 = 50.00

x4 = 12.00

x3 = 6.00

King of Slots Slot K Symbol

x5 = 40.00

x4 = 10.00

x3 = 4.00

King of Slots Slot Q Symbol

x5 = 30.00

x4 = 6.00

x3 = 2.00

King of Slots Slot J Symbol

x5 = 20.00

x4 = 4.00

x3 = 2.00

King of Slots Slot 10 Symbol

x5 = 16.00

x4 = 4.00

x3 = 2.00

King of Slots Slot Free Spins Round

King of Slots Slot Free SpinsThe Free Spins feature in King of Slots is triggered when five or more Scatter symbols land anywhere on the reels during a single spin. Unlike many slots, the number of free spins awarded scales with the number of Scatters — for example, landing 5 Scatters grants 10 Free Spins, while 6, 7, 8, 9, or 10 Scatters can yield up to 30 Free Spins in total. This setup rewards players not only for unlocking the feature but for exceeding the minimum trigger threshold.

All winnings during Free Spins are subject to a 3x multiplier, substantially boosting the payout potential. Combined with the Sticky Wins feature that remains active during this round, players have the opportunity to hit impressive win streaks. It’s during this bonus that the medium volatility really shines — consistent wins can quickly escalate thanks to both the multiplier and re-spin mechanics.

King of Slots Slot Features

settingKing of Slots may appear classic, but it integrates a few standout features that elevate the experience beyond a typical fruit machine. The most notable is the Sticky Wins mechanic — any winning combination triggers a re-spin, locking the winning symbols in place. This process continues until no new matching symbols appear, creating exciting chains of wins even from modest initial combinations.

The second major feature is the Free Spins round, triggered by five or more Scatter symbols, offering up to 30 Free Spins with a 3x multiplier on all wins during the bonus. While the game does not include a bonus round or jackpot, these two features alone provide dynamic pacing and generous reward opportunities. Add in the Wild symbol, which substitutes for all regular icons, and players get a streamlined, well-balanced slot that rewards patience and pays homage to classic slots with a modern polish.

FeatureDescription
Sticky WinsWinning symbols lock in place; reels respin for more wins.
Free SpinsTriggered by 5+ Scatters; up to 30 spins with 3x multiplier.
Wild SymbolSubstitutes for all regular symbols to form winning combos.
Auto PlayAllows players to spin automatically for up to 1,000 rounds.

King of Slots Demo Version

Demo Version IconA demo version of King of Slots will soon be available across various NetEnt partner casinos and review platforms. The demo lets players explore the full functionality of the game without using real money. It’s a great way to experience the Sticky Wins feature and the Free Spins bonus in action, while also familiarizing yourself with symbol payouts and volatility. This risk-free mode mirrors the real-money version exactly — same layout, bet levels, and RTP — making it a perfect tool for both newcomers and experienced players testing betting strategies. Whether you're interested in trying out the mechanics or just looking to enjoy a few casual spins, the demo is an ideal starting point. It runs seamlessly on desktop and mobile devices, ensuring accessibility on the go. Players can expect to find it directly on NetEnt’s website or embedded in online casino lobbies offering NetEnt titles.

King of Slots Slot Compatible Devices

smartphoneThanks to its HTML5 technology, King of Slots is fully optimized for play across desktop, mobile, and tablet devices. The game's responsive design ensures smooth operation and intuitive controls regardless of screen size or orientation. Mobile players benefit from easy-to-use spin and bet buttons placed for thumb-friendly access, while desktop users enjoy full-screen clarity and fast load times.

NetEnt’s platform-agnostic development means that whether you’re playing on iOS, Android, Windows, or macOS, performance remains consistent. The graphics automatically scale to your device, ensuring that animations and sound effects stay rich and fluid. No downloads are necessary — the game runs directly in any modern web browser. This cross-device compatibility makes King of Slots a perfect option for players who enjoy seamless transitions between mobile play and desktop gaming, without sacrificing quality or features.

Frequently Asked Questions (FAQs)

These questions provide concise answers to common queries about King of Slots Slot, ensuring clarity and understanding for players.

What is the RTP of King of Slots?

97%, which is considered very high compared to most slots.

What is the maximum win in King of Slots?

1,000x your bet — up to €250,000 at maximum stake.

How many paylines does King of Slots have?

25 fixed paylines.

Does King of Slots Slot Offer a Free Spins Round?

Yes, triggered by 5 or more Scatter symbols, with up to 30 spins and a 3x multiplier.

Can I play King of Slots on my mobile device?

Yes, the game is fully optimized for mobile and tablet use.

Is there a demo version available for King of Slots?

Yes, a demo version is or will soon be available at most NetEnt casinos.

What are the betting limits in King of Slots?

Minimum bet is €0.25; maximum bet is €250.

What features does King of Slots offer?

Sticky Wins, Free Spins, Wilds, and Auto Play.

Where can I play King of Slots?

The slot is available at numerous online casinos that work with NetEnt.

What is the volatility level of King of Slots?

Medium volatility — balanced between small frequent wins and bigger occasional ones.

What symbols should I look out for in King of Slots?

The Crown (highest paying), Wilds (substitutes), and Scatters (trigger Free Spins).

Concluding Thoughts

King of Slots is a visually rich and elegantly simple game that delivers more than its classic aesthetic suggests. With a high RTP of 97% and medium volatility, it strikes a near-perfect balance between playability and payout potential. The Sticky Wins feature provides an addictive dynamic, especially when it leads into the lucrative Free Spins round, which includes a 3x multiplier for all wins. While it lacks a jackpot or bonus mini-games, it doesn’t need them — the game’s mechanics are refined, rewarding, and engaging enough to stand on their own. Whether you're new to online slots or a seasoned player looking for clean, streamlined gameplay, King of Slots is a strong contender. Its solid compatibility across devices, flexible betting range, and polished visuals make it suitable for short casual sessions or extended strategic play. Overall, it’s a royal addition to NetEnt’s portfolio that deserves a spin — or several.

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