300SPINS™ REVIEWHARDCOREPolar Buffalo Hold and Win Extreme 25,000
Booming GamesHold and RespinStandard Free Spins
- Reel Config
- 5x3
- RTP
- 96.1%
- Paylines
- 25
Joker's Jewels
Pragmatic Play
Joker's Jewels is a Pragmatic Play 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 x1,040.
It also comes with special features such as Scatter Pay, adding instant-prize moments outside bonus rounds.
Verdict
HARDCOREPlayer Fit Spectrum
60/100
CasualBalancedHardcore
Based on the 300SPINS™ test, Joker's Jewels may suit players who enjoy suspense and substantial reward moments.
In addition, winning spins returned relatively high multipliers in this test. This may suit players who value the size of a win more than the number of wins.
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
117.67%
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 small deviation from that average, suggesting a generally steady experience with an occasional taste of larger wins.
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
HARDCORE
User Rating
2.9
Free Spin
None
Jackpot
None
Reel Config
5x3
Paylines
5 Lines
RTP
96.5%
Volatility
Mid-High
Max Win
1,040x
Bonus Buy
-
Demo Play
Joker's Jewels by Pragmatic Play
Joker's Jewels by Pragmatic Play
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300SPINS™ REVIEWHARDCOREBalance Chart: 300SPINS™ Review
Balance Timeline
300 Paid Spins300SPINS balance time-series chart for Joker's Jewels. The chart starts at 3000, ends at 3530, and bottoms at 2560 on spin 87. Free spin trigger markers appear on spin .
300SPINS balance timelineSPIN 0Balance 3,000
Free Spin Analysis: 300SPINS™ Review
Free Spin Profile
Balanced Experience
Free spins were rare, so the feature felt more like a special moment than a regular part of the session. This creates a balanced free-spin experience, sitting between steady access and strong feature impact.
Free Spin Comparison
BALANCEDFree spin profile chart for Joker's Jewels. Free spins did not trigger naturally during our 300-spin session. The field average is 2.13. Free spin payout averaged N/A, against a field average of 64.5x.
Free Spin Hit Rate
Natural free spin triggers during 300 paid spins
0
TOP 20
6
SLOT
0
AVG.
2
BOTTOM
0
Free Spin Payout Multiplier
Average payout multiplier per free spin trigger
N/A
TOP 20
181.2x
SLOT
N/A
AVG.
64.5x
BOTTOM
11.9x
Free Spin Quadrant
FREQUENTFrequent
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
HARDCORE+Rhythm comparison chart for Joker's Jewels. Hit Rate is 14.0% 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
14.0%
TOP 20
44.0%
SLOT
14.0%
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
STRONGFrequent
Strong
Dry
Selective
SLOT
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PREVIEW
PREVIEW
PREVIEWPayout 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
HARDCORE+Payout comparison chart for Joker's Jewels. Max Payout is 50.0x against a field average of 101.0x, while Avg Payout is 8.40x against a field average of 4.51x.
Max Multiplier
Largest payout from a single paid spin
50.0x
TOP 20
300.1x
SLOT
50.0x
AVG.
101.0x
BOTTOM
17.1x
Average Multiplier
Average payout per paid spin
8.40x
TOP 20
10.4x
SLOT
8.40x
AVG.
4.51x
BOTTOM
1.52x
Payout Quadrant
DYNAMICPeak
Swing
Steady
Dynamic
SLOT
Dependency Analysis: 300SPINS™ Review
Dependency Profile
Steady Experience
Bigger wins played a smaller role, so the result felt less dependent on a few standout moments. This creates a steadier dependency profile, where the result is less tied to one free-spin round or a few big wins.
Dependency Comparison
CASUAL+Dependency comparison chart for Joker's Jewels. Free Spin Dependency is N/A against a field average of 30.6%, while Big Win Dependency is 25.5% against a field average of 50.0%.
Free Spin Dependency
Share of total payout that came from free spins
N/A
TOP 20
72.2%
SLOT
N/A
AVG.
30.6%
BOTTOM
0.1%
Big Win Dependency
Share of total payout that came from larger standout wins
25.5%
TOP 20
72.1%
SLOT
25.5%
AVG.
50.0%
BOTTOM
30.1%
Dependency Quadrant
STEADYBonus
Loaded
Steady
Big Win
SLOT
Special Features
Feature Highlight: Scatter Pay
A Scatter Pay is the most classic form of the scatter symbol, a feature that faithfully performs the role of paying out instant prizes only, without triggering separate features like free spins or bonus games. Unlike many modern scatters that act as a 'key' to a bonus, this feature purely showcases the inherent nature of a scatter: 'paying a prize even when scattered'.
Gallery
User Rating
Community Score
2.9
/ 5.0
Based on 18 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.