Game Information
Review of the King of Slots slot machine by NetEnt: a royal classic with modern bonuses
Introduction
The King of Slots slot machine from legendary developer NetEnt is a fortunate combination of nostalgic fruit theme and innovative gaming mechanics. The slot quickly gained popularity thanks to its simplicity, generosity, and unique Sticky Wins™ feature.
Key features of the slot
- High RTP (96.96%).
- Low volatility for frequent wins.
- Unique Sticky Wins™ feature.
- Free spins with a triple multiplier.
- Maximum win up to 750,000 coins.
Design and atmosphere
King of Slots offers an elegant and iconic design. The symbols are framed in a golden frame on a deep burgundy background, creating a sense of luxury and royal grandeur. The graphics are rendered in high quality, characteristic of NetEnt. The symbols include classic fruits (cherry, lemon, watermelon), as well as card suits (10, J, Q, K, A), and the main symbol is the golden crown. The sound accompaniment is rich and pleasant, enhancing each win without excessive intrusion, making the gaming process comfortable even during long sessions.
Characteristics and symbols
Slot parameters table for King of Slots
| Parameter | Meaning |
|---|---|
| Developer | NetEnt |
| Release date | March 30, 2015. |
| Barabany / Linii | 5 / 25 |
| Rate range | €0.20 – €250 |
| Max. Wins | 750,000 coins (or x1000 of the bet) |
| RTP (Return to Player) | 96.96% |
| Volatility | Nizkaya |
Payouts for combinations (5 symbols on a line)
- Crown: 1000x the bet per line (highest symbol).
- Watermelon: 40x the bet per line.
- Lemon: 20x the bet per line.
- Cherry: 20x the bet per line.
- Card symbols (10-A): from 4x to 8x the bet per line.
Bonus functions and unique mechanics
King of Slots offers two main bonus features that make it truly interesting:
- Sticky Wins™: this is the signature feature of the slot. After any winning combination, all symbols participating in it 'stick' to the reels, while the remaining spin again for free. This process continues until a new winning combination appears.
- Free spins: are activated with three or more Scatter symbols (depicted as a dragon stone). The number of free spins depends on the number of Scatters:
- 3 Scatters = 10 free spins.
- 4 Scatters = 15 free spins.
- 5 Scatters = 20 free spins.
- 6 Scatters = 25 free spins.
- 7 Scatters = 30 free spins.
During free spins, all winnings are multiplied by x3. The Sticky Wins™ feature is also active during free spins, which can lead to significant payouts.
The slot does not have a risk-game feature (gamble).
Expert opinions and recommendations
King of Slots — the perfect choice for beginners and for those who value stable, frequent wins. Thanks to the low volatility, the bankroll will be depleted slowly, while the Sticky Wins™ feature provides additional waves and the possibility to increase any win.
Strategy for maximizing the win
- Start with the demo mode to understand the frequency of Sticky Wins™ activation.
- Manage your bankroll. Regardless of the low volatility, set limits for the session.
- The goal is free spins. Although they occur infrequently, they come with a triple multiplier and the active Sticky Wins™ feature offers the highest potential for a big win.
Mathematical model
The slot has low volatility and a high theoretical return of 96.96%. This means that wins will occur frequently, but, as a rule, they will be small. However, the unique Sticky Wins™ mechanic and free spins with a x3 multiplier can significantly change this picture and bring substantial wins.
Compared to analogs
- Starburst (NetEnt): has a similar RTP (96.09%), but an average volatility and a different bonus mechanic (expanding Wilds).
- Twin Spin (NetEnt): also a classic slot with an RTP of 96.55%, but with a unique mechanic of linked reels and average volatility.
Mobile version

King of Slots is adapted for play on smartphones and tablets. Thanks to HTML5 technology, the slot works seamlessly on devices with iOS, Android, and Windows. The interface automatically adjusts to the screen size, preserving all functions and graphics quality, allowing you to enjoy the game anywhere.
Pros and cons
Pros
- Very high RTP (96.96%).
- Low volatility for frequent wins.
- Unique and profitable Sticky Wins™ feature.
- Free spins with x3 multiplier.
- Excellent mobile adaptation.
- Simple and intuitively understandable gameplay.
Cons
- The maximum win (x1000) is not a record for modern slots.
- The design may seem too simple for lovers of complex plots.
Locking
King of Slots — this is a dazzling example of how a classic concept can be enhanced with modern technologies. The slot offers fair mathematics, frequent payouts, and two powerful bonus mechanics that make each session engaging. It is well suited for both casual players and for strategic play aimed at achieving stable income.
Overall rating: 9/10
Frequently Asked Questions (FAQ)
What is the RTP of the King of Slots slot?
- The theoretical return to player (RTP) is 96.96%.
Are there free spins in King of Slots?
- Yes, with three or more Scatter symbols you can get from 10 to 30 free spins, during which all wins are multiplied by 3.
What is the Sticky Wins™ feature?
- This is a unique feature that triggers a free respin after any win, during which the winning symbols remain in place (they 'stick').
Can you play King of Slots on the phone?
- Yes, the slot is fully adapted for all mobile devices and works on iOS, Android, and other platforms.
