300SPINS™ REVIEWCASUALDolphin's Pearl
Greentube
Dolphin's Pearl is a Greentube slot, and its 300SPINS™ profile is closest to Balance.
The slot is built on a 5x3 reel grid with 10 paylines and offers a theoretical maximum win of x4,638.
It also comes with special features such as Gamble Feature and Global Multiplier, adding a higher-risk choice after wins and multiplier-driven win scaling.
Verdict
CASUALPlayer Fit Spectrum
44/100
CasualBalancedHardcore
Based on the 300SPINS™ test, Dolphin's Pearl may suit casual players who prefer an easygoing rhythm over intense action.
In addition, total payouts were not concentrated in a few large wins in this test. This may suit players who prefer results built from other wins rather than a handful of large payouts.
About 300SPINS™
300SPINS™ uses 300 spins to explore the first impression of a single play session. We record win frequency, win multipliers and free-spin triggers to show the rhythm and character of early play.
Experienced RTP Deviation
RTP Deviation
56.56%
Below avg.Avg. (99.56%)Above avg.
Deviation measures how far this session’s RTP sits from the all-review average, whether above or below it.
This slot shows a large deviation from the average and is expected to display both sides of the experience: large wins and high 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
CASUAL
User Rating
3.2
Free Spin
1 Trigger
Jackpot
None
Reel Config
5x3
Paylines
10 Lines
RTP
95.13%
Volatility
High
Max Win
4,638x
Bonus Buy
-
Demo Play
Dolphin's Pearl by Greentube
Dolphin's Pearl by Greentube
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- RTP
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300SPINS™ REVIEWCASUAL
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300SPINS™ REVIEWCASUALBalance Chart: 300SPINS™ Review
Balance Timeline
300 Paid Spins300SPINS balance time-series chart for Dolphin's Pearl. The chart starts at 270000, ends at 152700, and bottoms at 152700 on spin 300. Free spin trigger markers appear on spin 37.
300SPINS balance timelineSPIN 0Balance 270,000
Free Spin Analysis: 300SPINS™ Review
Free Spin Profile
Dynamic Experience
Free spins were rare, so the feature felt more like a special moment than a regular part of the session. This creates a more dynamic free-spin experience, where waiting for the feature becomes part of the tension.
Free Spin Comparison
HARDCOREFree spin profile chart for Dolphin's Pearl. Free spins triggered once during our 300-spin session. The field average is 2.13. Free spin payout averaged 47.0x, against a field average of 64.5x.
Free Spin Hit Rate
Natural free spin triggers during 300 paid spins
1
TOP 20
6
SLOT
1
AVG.
2
BOTTOM
0
Free Spin Payout Multiplier
Average payout multiplier per free spin trigger
47.0x
TOP 20
181.2x
SLOT
47.0x
AVG.
64.5x
BOTTOM
11.9x
Free Spin Quadrant
STRONGFrequent
Strong
Quiet
Impact
SLOT
Hit Rate Analysis: 300SPINS™ Review
Play Rhythm
Dynamic Experience
Profitable hits stood out more clearly, so the session felt shaped by meaningful wins rather than simple hit count. This creates a more dynamic play rhythm, where fewer but more meaningful moments carry the experience.
Rhythm Comparison
HARDCORE+Rhythm comparison chart for Dolphin's Pearl. Hit Rate is 30.7% against a field average of 27.0%, while Profit Hit Rate is 13.0% against a field average of 10.7%.
Hit Rate
Any winning paid spin
30.7%
TOP 20
44.0%
SLOT
30.7%
AVG.
27.0%
BOTTOM
12.6%
Profit Hit Rate
Paid spins returning more than the bet
13.0%
TOP 20
16.7%
SLOT
13.0%
AVG.
10.7%
BOTTOM
5.9%
Rhythm Quadrant
PROFITFrequent
Strong
Dry
Selective
SLOT
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Payout Analysis: 300SPINS™ Review
Payout Profile
Balanced Experience
The largest payout moment was noticeable, but it did not completely define the session. This creates a balanced payout profile, sitting between stable returns and high-impact payout movement.
Payout Comparison
CASUALPayout comparison chart for Dolphin's Pearl. Max Payout is 47.0x against a field average of 101.0x, while Avg Payout is 1.84x against a field average of 4.51x.
Max Multiplier
Largest payout from a single paid spin
47.0x
TOP 20
300.1x
SLOT
47.0x
AVG.
101.0x
BOTTOM
17.1x
Average Multiplier
Average payout per paid spin
1.84x
TOP 20
10.4x
SLOT
1.84x
AVG.
4.51x
BOTTOM
1.52x
Payout Quadrant
STEADYPeak
Swing
Steady
Dynamic
SLOT
Dependency Analysis: 300SPINS™ Review
Dependency Profile
Balanced Experience
Free spins contributed a meaningful share of the total payout, but they did not fully define the result. This creates a balanced dependency profile, with meaningful standout moments but not total reliance on them.
Dependency Comparison
BALANCEDDependency comparison chart for Dolphin's Pearl. Free Spin Dependency is 27.7% against a field average of 30.6%, while Big Win Dependency is 27.7% against a field average of 50.0%.
Free Spin Dependency
Share of total payout that came from free spins
27.7%
TOP 20
72.2%
SLOT
27.7%
AVG.
30.6%
BOTTOM
0.1%
Big Win Dependency
Share of total payout that came from larger standout wins
27.7%
TOP 20
72.1%
SLOT
27.7%
AVG.
50.0%
BOTTOM
30.1%
Dependency Quadrant
BONUSBonus
Loaded
Steady
Big Win
SLOT
Special Features
Feature Highlight: Gamble Feature
The Gamble Feature is an optional mini-game that becomes available after a winning spin, allowing the player to risk their prize money for a chance at a larger reward instead of collecting it. It proceeds in a 'Double or Nothing' manner, offering players the chance to turn small wins into big ones, along with the high-stakes thrill of potentially losing everything.
Feature Highlight: Global Multiplier
A Global Multiplier is a powerful system, primarily used in bonus rounds like free spins, which refers to a single, unified multiplier that is applied to all winnings that occur during that round. The core of this feature is that it is not tied to a specific symbol like a 'Multiplier Wild' or to a specific position like a 'Positional Multiplier', but acts as a 'Global' rule that governs the entire round, fundamentally amplifying the value of every win.
User Rating
Community Score
3.2
/ 5.0
Based on 25 community ratings. User ratings are shown separately from our 300SPINS™ session data.
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About 300SPINS™ Reviews
300SPINS™ reviews are manually checked reports built around a consistent first-session test. The data comes from our own actual play sessions, not from provider sheets or third-party result feeds. Each review analyzes nine session metrics to describe how the slot behaved during our test run. These results do not represent the full mathematical profile of the game, so they should be read as structured first-session evidence rather than a final verdict on every possible outcome.