Dolphin'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
Recommended for players who want a balanced first-session rhythm without leaning too far in either direction.
Player Fit Spectrum
Relative Strength: Free Spin Hit Rate
Free-spin access is this session’s clearest strength, making the bonus feature feel more reachable.
Relative Weakness: Big Win Dependency
Watch out if you want the session to be shaped by large standout wins; high-value win dependency is the softest part.
Specifications
Characteristic
BALANCE
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
Bonus Buy Efficiency
Experience Value
High Experience Value
Free spins triggered once during our 300-spin session. With a buy price of x100, 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.
Balance 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 timelineFree 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
HARDCORE+Free spin profile chart for Dolphin's Pearl. Free spins triggered once during our 300-spin session. The field average is 2.57. Free spin payout averaged 47.0x, against a field average of 57.4x.
Free Spin Hit Rate
Natural free spin triggers during 300 paid spins
1
Free Spin Payout Multiplier
Average payout multiplier per free spin trigger
47.0x
Free Spin Quadrant
STRONGHit 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
HARDCORERhythm comparison chart for Dolphin's Pearl. Hit Rate is 30.7% against a field average of 28.5%, while Profit Hit Rate is 13.0% against a field average of 11.3%.
Hit Rate
Any winning paid spin
30.7%
Profit Hit Rate
Paid spins returning more than the bet
13.0%
Rhythm Quadrant
PROFITMore 300SPINS™ Reviews from Greentube
Lucky Lady's Charm Deluxe
Lucky Lady's Charm Deluxe is a Greentube slot, and its 300SPINS™ profile is closest to Casual. The slot is built on a 5x3 reel grid with 10 paylines and offers a theoretical maximum win of x4,633. 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.
Sizzling Hot Deluxe
Sizzling Hot Deluxe is a Greentube slot, and its 300SPINS™ profile is closest to Balance. The slot is built on a 5x3 reel grid with 5 paylines and offers a theoretical maximum win of x1,000. It also comes with special features such as Scatter Pay and Gamble Feature, adding instant-prize moments outside bonus rounds and a higher-risk choice after wins.
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
NEUTRALPayout comparison chart for Dolphin's Pearl. Max Payout is 47.0x against a field average of 99.6x, while Avg Payout is 0.57x against a field average of 1.01x.
Max Multiplier
Largest payout from a single paid spin
47.0x
Average Multiplier
Average payout per paid spin
0.57x
Payout Quadrant
STEADYDependency 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
HARDCOREDependency comparison chart for Dolphin's Pearl. Free Spin Dependency is 27.7% against a field average of 22.9%, while Big Win Dependency is 27.7% against a field average of 49.8%.
Free Spin Dependency
Share of total payout that came from free spins
27.7%
Big Win Dependency
Share of total payout that came from larger standout wins
27.7%
Dependency Quadrant
BONUSFeature 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 Demo
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.
Feature Demo
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 eight 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.