King of Slots is a “Spin as long as you win” type Netent slot
The game mechanic is similar to popular slots such as Jack Hammer and Jack Hammer 2.
Sticky Win Feature
The whole slot revolves around the Sticky Win feature: a winning bet line or three or more Scatter symbols triggers the Sticky Win feature. The reels with winning symbols are held, and all other reels re-spin for a chance of more significant wins. The reels keep re-spinning as long as there are new wins. When no new wins are generated, and the Sticky Win feature ends, all active wins are paid.
The Wild symbol substitutes for all symbols except the Scatter symbol. The highest paying symbol is the Crown symbol, which pays 1,000 times your line bet. Other “big” symbols are the Water Melon, Lemon and Cherry symbols.

Free Spins Bonus
In the main game and Free Spins, 5 or more Scatter symbols trigger the free spins bonus. The more scatter symbols you hit, the more free spins you will get, up to a maximum of 30 free spins (9 Scatters or more). Additional Free Spins can be won during Free Spins. All wins are tripled during the Free Spin Feature (x3), except for additional free spins. Additional free spins won are not multiplied by the Free Spins multiplier.
Return to player
The theoretical return to player for the King of Slots slot is 97.0%, an excellent RTP.

King of Slots: our verdict
We found this Netent slot to be very mediocre. The Sticky Win feature is nothing new, and the shoddy graphics and weak sounds do not help things. It just seems to have been put together very hastily without any attention to detail, storyline or entertainment value.
King of Slots might very well appeal to the high roller player: it has an outstanding return to player of 97.0% and a maximum bet of $250. Don’t get us wrong: the potential for big wins is undoubtedly there with King of Slots. The respin feature and the 25 win lines will take care of that.
Just don’t expect to be entertained or awed when playing this slot.
2 out of 5 stars
Available in your country
#1
- 🤑Crypto-friendly
- 📱Mobile app
- 🚀Leaderboard feature
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It has a wagering requirement of 60x and I have to say that the bonus terms and conditions are not fair, 60x is an above the standards, so be aware before you deposit for welcome bonus.
Bonus Info & Terms
#2
- ⚡️Fast deposit and withdrawal options
- 🤑Mouthwatering bonuses
- ✅24/7 live chat support
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Note that the deposit + bonus amount is subject to a 35x wagering requirement for any winnings to be withdrawn. Ensure you complete the wagering requirement within the 30-day validity period. Slots contribute 100%, and table games and video poker contribute 10% to the wagering requirement.
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#3
- 📱Top-notch mobile performance
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You need a minimum of $20 to claim the offers. Additionally, if you can deposit $100 or more for your first deposit, you can claim up to 100 free spins to play the Hot Lucky 7s slot.
Bonus Info & Terms
#4
- 🤑 No-deposit bonus
- 🎁 Generous promotions
- ⚡️ Progressive jackpots
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The minimum deposit for the welcome offer is $50, which is a bit higher than most other online casinos I gotta admit. However, if you don’t mind the steep deposit, you can get a pretty decent starting bonus to try out what this casino has to offer.
Bonus Info & Terms
#5
- ✅ 24/7 Customer support
- 🎁 Enticing welcome offers
- 🤑 Existing promos and VIP program
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Review
The wagering requirement must be beaten in 90 days to win and withdraw the bonus fund. All games except jackpot slots contribute to the wagering requirement. Slots contribute 100%, Keno contributes 50%, and Video Poker contributes 20%.
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#6
- 🤑 Crypto-friendly
- ✅ Licensed and secure
- ⚡️ Instant deposits
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The qualifying minimum deposit for these welcome bonuses is capped at $25. It’s important that you redeem the code before you make these deposits for the bonus to be valid. In addition, you must beat the wagering requirement of 25 times before you can withdraw the bonus funds on any deposit.
Bonus Info & Terms
#7
- ✅Crypto Casino
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- ⚡️Fast Cash-outs
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Deposit: Does not require a minimum deposit Bonus Match Percentage: 110%, 50%, 75%. Maximum Bonus Value: 1 BTC (and Cryptocurrency equivalent) or 100 EUR (and FIAT equivalent) No Deposit Free Spins: 50 Free Spins Free Spins: 300 Free Spins Free Spins Slot Game: Princess of Sky, Brave Vikings, Book of Pyramids, Cherry Fiesta, Desert Treasure, Lucky Lady Clover, West Town, Lucky Blue, Princess Royal, Hawaii Cocktails Bonus Wagering: 35 x Bonus Free Spins Wagering: 40 x Free Spins Remarks: 250 Free Spins offered as part of the 1st Deposit Bonus will be rewarded in a set of 50 spins for 5 days. Minimum deposit required for the spins is 0.05 BTC (and Cryptocurrency equivalent) or 50 EUR (and FIAT equivalent). Full T&C Apply. begambleaware.org. 18+
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#8
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JackBit Casino does not offer a welcome bonus. Instead, you can benefit from 3+1 freebet offer. Minimum bet is $10 along with 1.3 odd for position.
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#9
- 🍒 1,000+ slots
- 🤩 VIP Club
- 📱 Mobile-Friendly
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The wagering requirements on all deposit bonuses are quite decent: 40 x the bonus amount. Don’t forget: If you want to avoid these bonus wagering requirements, you can always choose to decline any bonus. The max bet per spin with bonus money is unusually high at $15 per spin.
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#10
- ✅Bitcoin Casino
- 🎁Gigantic Welcome Bonus
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Bonus Code: MAX300 Deposit: Minimum required deposit is $20 Bonus Match Percentage: 300% Maximum Bonus Value: $3000 Free Spins: 200 Free Spins over 10 days Free Spins Slot Game: N/A Bonus Wagering: 40 x Bonus + Deposit Free Spins Wagering: 35 x Free Spins Remarks: Slots, Keno & Scratch Cards only to fulfil wagering requirement. The max cash out from free spins is $200. Full T&C apply. begambleaware.org. 18+
Bonus Info & Terms