300SPINS™CASUALRegal Coins Hold and Win
Booming Games
Regal Coins Hold and Win is a fruit, classic, and royalty-themed slot by Booming Games.
The slot is built on a 3x3 reel grid with 5 paylines and offers a theoretical maximum win of x5,000.
It also comes with special features such as Hold and Respin and Fixed Jackpot, adding locked-symbol bonus tension and extra jackpot targets alongside regular wins.
Verdict
CASUALPlayer Fit Spectrum
Casual
CasualBalancedHardcore
Both the maximum and average observed win multipliers were below the comparison averages.
Wins occurred more often than the comparison average, and spins paying more than the bet were also more frequent.
This session combined different play tendencies in payout size and win frequency.
About 300SPINS™
Every 300SPINS™ review starts with hands-on play: we manually play each slot, record the results and analyze the session data ourselves. Every test follows the same protocol: 300 paid spins in one continuous session, a fixed base bet, and no bonus buys or optional bet enhancements. Naturally triggered free spins and bonus rounds are included in the results. This consistent setup lets us compare win frequency, payout multipliers and feature activity across games. The analysis describes the recorded session, rather than the game’s complete long-term payout behavior.
Session Results
Session Results
100.67%
Below avg.Avg. (97.15%)Above avg.
We compare this session’s total payout as a percentage of total bets with the review-session average. Regardless of whether the result is above or below average, its distance from the average provides a clue to the game’s tendencies.
This session showed very little deviation. This may suggest a tendency for session results to cluster around the average.
About Session Results
This interpretation is based on one 300-spin observation compared with review sessions recorded using the same method. Three hundred spins cannot establish a game’s overall tendencies or theoretical probabilities. The displayed percentage is total payout divided by total bets, not net profit.
Specifications
Characteristic
CASUAL
User Rating
No ratings
Free Spin
3 Triggers
Jackpot
Fixed
Reel Config
3x3
Paylines
5 Lines
RTP
-
Volatility
-
Max Win
5,000x
Bonus Buy
-
Demo Play
Slots with Similar Characteristics
FeatureMatch™
Symbol changes and bonus modes stand out
The feature structure places particular emphasis on symbol changes and bonus modes. Spin-related mechanics contribute to separate phases of play. The wild family brings combination-forming mechanics into the mix.
Feature richness
Many distinct mechanics are represented here, giving the feature overview a larger number of individual systems to cover.
- Feature mechanics
- 9
- Feature families
- 8
Feature profile
Select a role to explore its contributing features.
Number of features contributing to each role. One feature can contribute to several roles.
How we analyze this game’s features
Each bar counts the features that contribute to a functional role. One feature can contribute to more than one role. Bar lengths are scaled to the largest count within this game; compare the numbers when looking across games.
These counts describe feature composition. They are not win probabilities, payout contributions, or quality ratings.
All features 10
Balance Chart: 300SPINS™ Review
Balance Timeline
300 Paid Spins300SPINS balance time-series chart for Regal Coins Hold and Win. The chart starts at 100000, ends at 100004, and bottoms at 99982 on spin 10. Free spin trigger markers appear on spin 11, 55, 163.
300SPINS balance timelineSPIN 0Balance 100,000
Free Spin Analysis: 300SPINS™ Review
Free Spin Profile
Free spins triggered more often than the comparison average, but their average payout per trigger was below average. Based on 3 naturally triggered bonus rounds.
Free Spin Comparison
Free Spin Triggers 3 / AVG. 2. Free Spin Payout Multiplier 35.3x / AVG. 62.6x
Free Spin Triggers
3
Free Spin Payout Multiplier
35.3x
Observation Map
Free Spin Triggers
Free Spin Payout Multiplier
Hit Rate Analysis: 300SPINS™ Review
Play Rhythm
Wins occurred more often than the comparison average, and spins paying more than the bet were also more frequent.
Rhythm Comparison
Hit Rate 32.0% / AVG. 26.3%. Profit Hit Rate 15.0% / AVG. 10.6%
Hit Rate
32.0%
Profit Hit Rate
15.0%
Observation Map
Hit Rate
Profit Hit Rate
More slots from Booming Games
Payout Analysis: 300SPINS™ Review
Payout Profile
Both the maximum and average observed win multipliers were below the comparison averages.
Payout Comparison
Max Multiplier 39.0x / AVG. 96.3x. Average Win Multiplier 3.15x / AVG. 4.44x
Max Multiplier
39.0x
Average Win Multiplier
3.15x
Observation Map
Max Multiplier
Average Win Multiplier
Dependency Analysis: 300SPINS™ Review
Dependency Profile
Free-spin payout share was near the review-session average. Top 10% win payout share was near the review-session average. The largest 10 of 96 winning records supplied 57.5% of total payout.
Dependency Comparison
Free Spin Dependency 35.1% / AVG. 32.6%. Big Win Dependency 57.5% / AVG. 63.9%
Free Spin Dependency
35.1%
Big Win Dependency
57.5%
Observation Map
Free Spin Dependency
Big Win Dependency
Localization Score
Localization Score
21/ 50
The localization lowers the slot’s overall quality compared with the original-language version, so we recommend a comprehensive review or removal of the localized content.
Below, we share our observations on some of the specific localization issues identified in Regal Coins Hold and Win.
Select the question-mark icon at the end of each item to read a related case study.
- The same issues seen broadly across other slots from Booming Games also appear in this game.
- The text assembly script is poorly designed. Word order for subjects, verbs, and objects can differ from English, but the implementation does not account for those differences.
- Terminology is inconsistent. Issues include confusion between singular and plural forms and different translations or transliterations of the same term.
- The source-language script contains errors, or some wording has been written in a way that is unsuitable for translation.
This localization assessment is based on the Korean version, but evaluates localization as a whole rather than translation alone.
It focuses particularly on issues likely to occur in other language versions as well.
This assessment is limited to localization and is separate from the overall quality of the slot itself.
Highlight Features
Hold and Respin
Hold and Respin, or 'Hold & Win', is one of the most popular core bonus game mechanics in modern slots. The essence of this feature, unlike traditional free spins, is to 'Hold' bonus symbols on the reels and 'Respin' the remaining empty spaces to fill up the screen. This system was popularized worldwide through 'Money Train 2's' 'Money Cart Bonus' and is the foundation for numerous developer-specific brand features like Wazdan's 'Hold the Jackpot™' and Playtech's 'Fire Blaze™'.
Reel Expansion
Reel Expansion is a feature where the physical size of the game grid (reels or rows) actually gets bigger, typically upon entering a bonus round like free spins. This goes beyond simply adding a multiplier; it aims to expand the 'board' of the game itself, providing players with a wider field of opportunity and fundamentally increasing the number of winning ways.
Gallery
User Rating
Community Score
No ratings
Based on 0 community ratings. User ratings are shown separately from our 300SPINS™ session data.
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About 300SPINS™ Reviews
Every 300SPINS™ review starts with hands-on play: we manually play each slot, record the results and analyze the session data ourselves. Every test follows the same protocol: 300 paid spins in one continuous session, a fixed base bet, and no bonus buys or optional bet enhancements. Naturally triggered free spins and bonus rounds are included in the results. This consistent setup lets us compare win frequency, payout multipliers and feature activity across games. The analysis describes the recorded session, rather than the game’s complete long-term payout behavior.