300SPINS™BALANCEDThe Castle of Slotenstein
Evoplay
The Castle of Slotenstein is a Halloween-themed slot by Evoplay.
The slot is built on a 5x3 reel grid with 20 paylines and offers a theoretical maximum win of x3000x.
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
BALANCEDPlayer Fit Spectrum
Balanced
CasualBalancedHardcore
Free spins triggered more often than the comparison average, but their average payout per trigger was below average.
Hit rate was below the review-session average.
This session combined different play tendencies in the free-spin experience 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
100.83%
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
BALANCED
User Rating
No ratings
Free Spin
4 Triggers
Jackpot
Fixed
Reel Config
5x3
Paylines
20 Lines
RTP
96.2%
Volatility
-
Max Win
3,000x
Bonus Buy
48x
Demo Play
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RetriggerSpecial Expanding Symbol
- Reel Config
- 5x5
- RTP
- 96.22%
- Paylines
- 50
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300SPINS™BALANCEDFeatureMatch™
Separate prize mechanics take the lead
Mechanics with their own prize routes form the most represented role in this profile. Bonus-game mechanics contribute rewards outside ordinary symbol combinations.
Feature richness
Many distinct mechanics are represented here, giving the feature overview a larger number of individual systems to cover.
- Feature mechanics
- 8
- Feature families
- 5
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 9
Balance Chart: 300SPINS™ Review
Balance Timeline
300 Paid Spins300SPINS balance time-series chart for The Castle of Slotenstein. The chart starts at 50, ends at 50, and bottoms at 46 on spin 57. Free spin trigger markers appear on spin 62, 135, 165, 205.
300SPINS balance timelineSPIN 0Balance 50
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 4 naturally triggered bonus rounds.
Free Spin Comparison
Free Spin Triggers 4 / AVG. 2. Free Spin Payout Multiplier 39.1x / AVG. 62.6x
Free Spin Triggers
4
Free Spin Payout Multiplier
39.1x
Observation Map
Free Spin Triggers
Free Spin Payout Multiplier
Hit Rate Analysis: 300SPINS™ Review
Play Rhythm
Hit rate was below the review-session average. Profit hit rate was near the review-session average.
Rhythm Comparison
Hit Rate 21.3% / AVG. 26.3%. Profit Hit Rate 10.0% / AVG. 10.6%
Hit Rate
21.3%
Profit Hit Rate
10.0%
Observation Map
Hit Rate
Profit Hit Rate
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Payout Analysis: 300SPINS™ Review
Payout Profile
Max win multiplier was below the review-session average. Average win multiplier was near the review-session average.
Payout Comparison
Max Multiplier 80.0x / AVG. 96.3x. Average Win Multiplier 4.73x / AVG. 4.44x
Max Multiplier
80.0x
Average Win Multiplier
4.73x
Observation Map
Max Multiplier
Average Win Multiplier
Dependency Analysis: 300SPINS™ Review
Dependency Profile
Free-spin payout share was above the review-session average. Top 10% win payout share was near the review-session average. The largest 7 of 64 winning records supplied 63.6% of total payout.
Dependency Comparison
Free Spin Dependency 51.7% / AVG. 32.6%. Big Win Dependency 63.6% / AVG. 63.9%
Free Spin Dependency
51.7%
Big Win Dependency
63.6%
Observation Map
Free Spin Dependency
Big Win Dependency
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™'.
Cash Symbol Cloning
Cash Symbol Cloning is a dynamic mechanic where existing instant prize (cash) symbols duplicate themselves onto empty adjacent positions on the reels. Unlike general symbol transformations that simply aid payline wins, this feature specifically multiplies the number of collectable cash prizes on the board, drastically increasing the potential payout of a collection or Hold & Respin feature.
Bonus Buy Price Comparison
Price x48
Low Bonus Buy Price
This slot's bonus buy price is below the usual range for comparable slots. That makes buying the feature relatively accessible, especially if you want to try the free-spin round directly. Keep in mind that some games offer multiple free-spin tiers, and SlotWise uses the lowest available buy price as the reference. A lower price may also mean that the free-spin feature itself carries a lighter payout profile than higher-priced games.
Avg. Min x81.6Avg. Max x129.1
LowExpectedHigh
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.