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
Based on the 300SPINS™ test, The Castle of Slotenstein may sit between casual and hardcore play styles, with elements of both.
In addition, free spins accounted for a large share of total payouts in this test. This may suit players who enjoy bonus results having a strong influence on the session.
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.
Experienced RTP Deviation
RTP Deviation
100.83%
Below avg.Avg. (98.45%)Above avg.
Deviation measures how far this session’s RTP sits from the all-review average, whether above or below it.
This slot shows very little deviation from the average and is expected to offer an experience close to the norm, without either large wins or large losses.
About RTP Deviation
This analysis does not evaluate the slot's theoretical RTP or long-run return. It only measures how far the total return recorded in this 300-spin session was from the average of other eligible 300SPINS™ reviews conducted with the same method. A larger deviation may suggest a wider range of outcomes, but it does not establish the slot's actual volatility or predict future results.
Specifications
Characteristic
BALANCED
User Rating
No ratings
Free Spin
4 Triggers
Jackpot
None
Reel Config
5x3
Paylines
20 Lines
RTP
96.2%
Volatility
-
Max Win
3,000x
Bonus Buy
48x
Demo Play
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Accumulating MultiplierStandard Wild
- Reel Config
- Irregular
- RTP
- 96.02%
- Paylines
- MEGAWAYS™
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300SPINS™BALANCEDBalance 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
Balanced Experience
When free spins arrived, their impact was limited, so the feature felt more like a side feature than the main driver. This creates a balanced free-spin experience, sitting between steady access and strong feature impact.
Free Spin Comparison
BALANCEDFree spin profile chart for The Castle of Slotenstein. Free spins triggered 4 times during our 300-spin session. The field average is 2.08. Free spin payout averaged 39.1x, against a field average of 65.9x.
Free Spin Hit Rate
Natural free spin triggers during 300 paid spins
4
Free Spin Payout Multiplier
Average payout multiplier per free spin trigger
39.1x
Free Spin Quadrant
QUIETFrequent
Strong
Quiet
Impact
SLOT
Hit Rate Analysis: 300SPINS™ Review
Play Rhythm
Dynamic Experience
Wins were less frequent, so the rhythm felt more selective and tension-driven. This creates a more dynamic play rhythm, where fewer but more meaningful moments carry the experience.
Rhythm Comparison
HARDCORERhythm comparison chart for The Castle of Slotenstein. Hit Rate is 21.3% against a field average of 26.6%, while Profit Hit Rate is 10.0% against a field average of 10.5%.
Hit Rate
Any winning paid spin
21.3%
Profit Hit Rate
Paid spins returning more than the bet
10.0%
Rhythm Quadrant
FREQUENTFrequent
Strong
Dry
Selective
SLOT
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Payout Analysis: 300SPINS™ Review
Payout Profile
Dynamic Experience
Average payout strength moved well beyond the usual baseline, giving the session a more dynamic payout profile. This creates a more dynamic payout profile, where the result is shaped by sharper swings and stronger payout movement.
Payout Comparison
HARDCOREPayout comparison chart for The Castle of Slotenstein. Max Payout is 80.0x against a field average of 100.3x, while Avg Payout is 4.73x against a field average of 4.52x.
Max Multiplier
Largest payout from a single paid spin
80.0x
Average Multiplier
Average payout per paid spin
4.73x
Payout Quadrant
SWINGPeak
Swing
Steady
Dynamic
SLOT
Dependency Analysis: 300SPINS™ Review
Dependency Profile
Dynamic Experience
Free spins made up a large share of the total payout, so the result felt strongly feature-driven. This creates a more dynamic dependency profile, where the session result leans heavily on specific high-impact moments.
Dependency Comparison
HARDCORE+Dependency comparison chart for The Castle of Slotenstein. Free Spin Dependency is 51.7% against a field average of 31.3%, while Big Win Dependency is 46.3% against a field average of 50.3%.
Free Spin Dependency
Share of total payout that came from free spins
51.7%
Big Win Dependency
Share of total payout that came from larger standout wins
46.3%
Dependency Quadrant
BONUSBonus
Loaded
Steady
Big Win
SLOT
Special Features
Highlight Features
Instant Prize Symbol
An Instant Prize Symbol is a special symbol whose role is to pay a set cash value or bet multiplier just by appearing on the reels. The core concept is that it provides a direct reward by its mere presence, without the need to form a winning line like regular symbols. It is often called a 'Coin' or 'Money Symbol' and serves as the most basic 'material' in various bonus features of modern slots.
Feature Upgrade
A Feature Upgrade is a very special 'meta' feature that, rather than paying out winnings itself or directly affecting other symbols, enhances another special feature symbol (e.g., Collector, Payer) already on the reels to a more powerful 'Persistent' version. The core of this feature is to change the 'nature' of other special symbols that determine the potential of the bonus round, instantly transforming what could have been an average bonus into a round where one can expect the Max Win.
Bonus Buy Efficiency
Price x48
Low Bonus Buy Price
Experience Value
Reasonable Experience Value
Free spins triggered 4 times during our 300-spin session. With a buy price of x48, buying offers a much shorter path if you mainly want to experience the free-spin feature.
Monetary Value
Strong Monetary Value
Free-spin payout strength and free-spin dependency were moderate compared with other slots in our 300SPINS reviews. The buy looks useful as access to the feature, but not an exceptional profit signal.
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.