300SPINS™HARDCORE+Whale Rush
Microgaming
Whale Rush is a an underwater-themed slot game with cute sea creatures slot by Microgaming.
The slot is built on an irregular reel setup with cluster pays and offers a theoretical maximum win of x10000x.
It also comes with special features such as Cluster Pays and Cascading Reels, adding cluster-based hit patterns beyond fixed lines and repeat-win chances from cascading symbol drops.
Verdict
HARDCORE+Player Fit Spectrum
Hardcore+
CasualBalancedHardcore
Both the free-spin payout share and the payout share of the top 10% of wins were above their comparison averages.
Hit rate was above the review-session average.
This session combined different play tendencies in payout composition 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
227.02%
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 a very large deviation. This may suggest a tendency for session results to fall far from 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
HARDCORE+
User Rating
No ratings
Free Spin
1 Trigger
Jackpot
None
Reel Config
Irregular
Paylines
Cluster
RTP
-
Volatility
-
Max Win
10,000x
Bonus Buy
100x
Demo Play
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Cascading ReelsAccumulating Multiplier
- Reel Config
- Irregular
- RTP
- 96.58%
- Paylines
- MEGAWAYS™
300SPINS™HARDCORE+
300SPINS™HARDCORE+
300SPINS™HARDCORE+
300SPINS™HARDCORE+
300SPINS™HARDCORE+FeatureMatch™
Two prominent themes: persistence and growth and bonus modes
Among the roles covered by these mechanics, persistence and growth and bonus modes have the strongest representation. Payout-related mechanics contribute to values or progress that persist or develop during play. The free-spin family supplies some of the mechanics associated with bonus modes.
Feature richness
A moderate number of mechanics adds variety around the core game, giving the feature structure more than a few individual elements to consider.
- Feature mechanics
- 7
- 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 10
Balance Chart: 300SPINS™ Review
Balance Timeline
300 Paid Spins300SPINS balance time-series chart for Whale Rush. The chart starts at 999995, ends at 1000072, and bottoms at 999991 on spin 41. Free spin trigger markers appear on spin 44.
300SPINS balance timelineSPIN 0Balance 999,995.32
Free Spin Analysis: 300SPINS™ Review
Free Spin Profile
Free spins triggered less often than the comparison average, but their average payout per trigger was above average. Based on 1 naturally triggered bonus rounds.
Free Spin Comparison
Free Spin Triggers 1 / AVG. 2. Free Spin Payout Multiplier 549.8x / AVG. 62.6x
Free Spin Triggers
1
Free Spin Payout Multiplier
549.8x
Observation Map
Free Spin Triggers
Free Spin Payout Multiplier
Hit Rate Analysis: 300SPINS™ Review
Play Rhythm
Hit rate was above the review-session average. Profit hit rate was near the review-session average.
Rhythm Comparison
Hit Rate 33.0% / AVG. 26.3%. Profit Hit Rate 10.7% / AVG. 10.6%
Hit Rate
33.0%
Profit Hit Rate
10.7%
Observation Map
Hit Rate
Profit Hit Rate
More slots from Microgaming
Payout Analysis: 300SPINS™ Review
Payout Profile
Both the maximum and average observed win multipliers were above the comparison averages.
Payout Comparison
Max Multiplier 549.8x / AVG. 96.3x. Average Win Multiplier 6.88x / AVG. 4.44x
Max Multiplier
549.8x
Average Win Multiplier
6.88x
Observation Map
Max Multiplier
Average Win Multiplier
Dependency Analysis: 300SPINS™ Review
Dependency Profile
Both the free-spin payout share and the payout share of the top 10% of wins were above their comparison averages. The largest 10 of 99 winning records supplied 89.2% of total payout.
Dependency Comparison
Free Spin Dependency 80.7% / AVG. 32.6%. Big Win Dependency 89.2% / AVG. 63.9%
Free Spin Dependency
80.7%
Big Win Dependency
89.2%
Observation Map
Free Spin Dependency
Big Win Dependency
Highlight Features
Cluster Pays
The Cluster Pays system is an innovative winning method that completely breaks the traditional slot concept of 'lines'. In a typical slot, symbols must be placed sequentially from the left on a designated payline to be considered a win. However, in the Cluster Pays method, there are no lines at all. Instead, symbols like candies or jellies cascade down onto a large grid (usually 5x5 or larger). There is only one condition for a win: identical symbols must connect horizontally or vertically to form a cluster.
Persistent Free Spin Grid
Persistent Free Spin Grid is a unique bonus game feature where the destruction or modification of the game grid is maintained throughout the entire free spins round. This mechanic ensures that any cleared blocks, expanded rows, or empty positions do not reset between individual spins. The core of this feature is to provide a continuous sense of progression and accumulating potential, as the player's actions in one spin directly influence the setup for subsequent spins.
Bonus Buy Price Comparison
Price x100
Average Bonus Buy Price
This slot's bonus buy price sits within the usual range for comparable slots. Buying the feature can be a reasonable option if your goal is to reach the free-spin round without waiting for a natural trigger. The trade-off is that you skip the base-game spins that would normally happen before the feature, including any wins or volatility from that part of play.
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.