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Winning Mask I slot

Winning Mask I
Winning Mask I
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Updated: 14.10.2025
Reviewed by: Fabio Duarte

JDB added a new Asian-themed Winning Mask I slot to their assortment, which was released in 2016. Here you can get a lot of benefit from special symbols, free spins and the Mask Reel bonus. In this review we will take a close look at what this sequel consists of: its design, bonus features, paytable and a mathematical model so stay with us guys.

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In this review
  1. Slot details
  2. Theme
  3. Bonus Rounds & Free Spins
  4. Summary
  5. Where to play
General information about Winning Mask I slot

General information about Winning Mask I slot

Rating by Fabio Duarte:
8.3
User’s Rating: (based on  reviews):
0.0
JDB
Write a review +25 SJ points
  • Release Date:
    05.01.2016
  • Volatility:
    Low
  • RTP:
    96.0%
  • Multiplier:
    Yes
  • Max. win:
    5,500x
  • Bonus game:
    No
  • Free spins:
    Yes
  • Scatter Symbol:
    Yes
  • Wild symbol:
    Yes
  • Symbol Stacked:
    No
  • Jackpot Game:
    No
  • Slot lines:
    1,024
  • Slot reels:
    5
  • Layout:
    5-4
  • Stakes range (€/£/$):
    0.5 to 5
  • Slot Theme:
    China
  • Technology:
    HTML5
More infoLess info

Live stats from Slotsjudge

Slotsjudge employs a proprietary simulator that replicates actual gameplay conditions by running 10,000 rounds daily for each game, with data updates reflecting the latest analysis date, ensuring objective and current insights. For Winning Mask I (updated), the simulated RTP stands at 94.74%, slightly below the declared 96.0%, indicating a conservative estimate based on extensive testing. The game features a hit frequency of 28.71%, meaning roughly one in every four spins results in a win, with an average payout of 3.3 times the stake; this suggests moderate frequency and consistent, if small, wins. Its maximum win potential reaches an impressive 1130x, but the overall low volatility paints a picture of frequent, smaller payouts rather than rare big hits. While the declared RTP aligns with typical expectations for such titles, players should consider the low volatility's impact on bankroll management, as wins tend to be more consistent but less massive on average. These statistics reflect a game designed for steady play rather than substantial jackpots, making it suitable for players prioritizing frequent, modest returns.
  • Declared RTP:
    96.0%
  • Simulated RTP:
    94.0%
  • Bets sum:
    €10,000
  • Wins sum:
    €9,474
  • Bets:
    10,000
  • Average Win:
    €3.3
  • Max Win Observed:
    €1,130
  • Bonus Frequency:
    75
  • Hit Rate:
    28.0%
  • Wins:
    2,871
More infoLess info

Licensed and tested by

  • BMM Testlabs
  • GLI (Gaming Labs Certified)

How to Play

The playing field with a classic grid of 5 reels in 4 rows has as many as 1,024 paylines to create winning combinations. Pay attention to the Chinese hieroglyphs - this is a Wild symbol that replaces all standard icons and lands only on reels 2, 3, 4 and 5. Fan is a Bonus symbol that appears only on reels 1, 2 and 3 to activate the free spins feature. There is also a special Mask Reel symbol in the game that lands anywhere on reels 3, 4 and 5 and initiates the Mask Reel Bonus.

To start playing you need to go through a few simple steps:

  • Open the Winning Mask I here for demo or in casino for real money play
  • Check out the rules and paytable
  • Сhange the stake
  • Spin the reels!

Winning Mask I RTP and Volatility

8.5 

The volatility of the slot is low whereas the RTP is not disclosed.

Well, high-risk players shouldn't ignore this slot machine, because low volatility guarantees that you will have chance of receiving winning combinations more often than in high-risk slots and they will still bring pleasant payouts. As for the RTP, the slot provide has not disclosed this information but you can expect the industry average of 96%.

Theme

8.5 

We are not historians, but we know well that the culture of China is inextricably linked with masks. And now some facts from Google: In China, masks appeared long before the beginning of our era, during the reign of the Zhou and Shang dynasties, so the mask has a high value in Chinese culture. During the rituals, Chinese shamans had to wear a mask, because only with them they could communicate with deities.

The provider was clearly inspired by this when creating this slot, since 5 prize symbols appear on its playing field, and all of them are shamans, whose faces are hidden under beautiful, but a little frightening masks. For the low-paying symbols, he used stylized suits of playing cards that thankfully don't look like they were taken from another world.

During the gameplay, pay attention to the fans, as these are Bonus symbols that land on reels 1, 2 and 3 to trigger the free spins feature. From time to time you may see "Mask Reel" - these are special symbols that land on reels 3, 4 and 5 to activate the corresponding feature. There are also Wilds (Chinese hieroglyphs) and these symbols only land on reels 2, 3 and 5.

Theme

Winning Mask I slot paytable

Mobile compatibility

Mobile compatibility

If you prefer mobile gambling, then you are definitely in luck with this slot machine! It works as good on mobile phones as it does on PCs, as JDB created it using HTML5. You can play this new game on any modern device, be it a mobile phone, tablet or computer, and enjoy the opportunity to be anywhere while playing!

About JDB

Under the current name "JDB" the team started working at the end of 2018 and before that it worked under the names "JDB" + "168" and "Jiadoubao". The current name is translated as "Just Do Best", which reflects the main mission of the provider. This company develops solutions for both land-based and online casinos and their portfolio consists of more than 100 games, and new releases are released approximately once a month. Their hits include Lucky Qilin, Moonlight Treasure and Four Treasures.

Bonus Rounds & Free Spins

8 

Free Spins

As we mentioned above, there is a free spins bonus round that is triggered using Bonus (Fan) symbols. You need to collect 3 fans on the first 3 reels to activate 10 free spins. 10 extra free spins may be awarded with 3 Bonus symbols during the feature to a maximum of 150x!

During this feature the mask may occur winning combo after all the masks change to the same mask. Firstly, all wins are awarded as the free spin stops. Secondly, all landed masks on the reels will be changed to 1 premium symbol. If any prize combo occurs after that, then all wins of the changed masks on the reels are awarded and added to the win meter.

Winning Mask I slot machine

Winning Mask I Demo Play

This game is not created for absolute gambling beginners, so if you don't feel ready to play for real money, we advise you to first try it in the demo mode, which is already on this page! Just click "Play Demo" and start testing this game without spending a cent. You can familiarize yourself with the gameplay and just have fun by making bets with “fun” coins. Have a fun session!

Max Win

8.1 

Find ancient shaman masks to win up to 5,500x the bet!

We have nothing against 5,500x the bet max win and a well-balanced low volatile mathematical model. You will be really lucky if the masks landed on the reels turn into a top premium purple shaman symbol. Good luck!

Overall Rating

8.3

The audiovisual performance of Winning Mask I is weak and JDB should work on it a bit to get more players into their games, but we love the unique theme of ancient Chinese masks. The gameplay is fast and filled with a bunch of special symbols and we liked the free spins feature that allows you to get up to 150 extra free spins and win up to 5,500x the bet using mask symbols that are converted into a premium symbol. Since everything is fine with the mathematical model of the game, we can advise it to all high-risk players.

Hits
Free Spins with symbols substitution
Win up to 5,500x the bet
Low volatility
Misses
Weak, outdated looking design

FAQ

What is the most important symbol in the Winning Mask I?

Here you should definitely pay attention to the Fans which act as Bonus symbols that trigger the free spins feature where you can win up to 5,500x the bet.

Is it possible to try this release for free?

Yes, the demo mode of this game is already on this page! Just hit the "Play Demo" button and enjoy your free session.

What is the volatility in the Winning Mask I?

The volatility of this slot is low which means that winning combinations can be triggered quite often.

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Fabio Duarte
Fabio Duarte
Expert in: News, Blog, Slot reviews, Payments
Fabio is a young writer with +6 years of experience in gambling & betting. Fabio creates professional reviews of casino and slots. Every single article Fabio made exhibits deep analytical skill and comprehensive coverage of a topic. It’s Fabio – one of the leading authors on slotsjudge.com.

2162 articles

Reviewed by Editor-in-Chief
Nikita Lukanenoks

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