300SPINS™ REVIEWBALANCEDBook of Claws: Lock&Choose
Clawbuster
Book of Claws: Lock&Choose is a ancient Egyptian adventure-themed slot by Clawbuster.
The slot is built on a 5x3 reel grid with 10 paylines and offers a theoretical maximum win of x5,000.
It also comes with special features such as Special Expanding Symbol and Ante Bet, adding extra gameplay variety from the feature mix and more control over bonus frequency and stake risk.
Verdict
BALANCEDPlayer Fit Spectrum
53/100
CasualBalancedHardcore
Based on the 300SPINS™ test, Book of Claws: Lock&Choose may sit between casual and hardcore play styles, with elements of both.
In addition, wins exceeding the stake appeared relatively often in this test. This may suit players who value returns above their stake more than simply landing a hit.
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
86.17%
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
BALANCED
User Rating
No ratings
Free Spin
1 Trigger
Jackpot
None
Reel Config
5x3
Paylines
10 Lines
RTP
95%
Volatility
-
Max Win
5,000x
Bonus Buy
80x
Demo Play
Book of Claws: Lock&Choose by Clawbuster
Book of Claws: Lock&Choose by Clawbuster
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300SPINS™ REVIEWBALANCEDBalance Chart: 300SPINS™ Review
Balance Timeline
300 Paid Spins300SPINS balance time-series chart for Book of Claws: Lock&Choose. The chart starts at 50000, ends at 49996, and bottoms at 49991 on spin 267. Free spin trigger markers appear on spin 268.
300SPINS balance timelineSPIN 0Balance 50,000
Bonus Buy Efficiency
Avg. Minx81.6
Avg. Maxx129.1
LowExpectedHigh
Price x80
Experience Value
High Experience Value
Free spins triggered once during our 300-spin session. With a buy price of x80, 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.
Free Spin Analysis: 300SPINS™ Review
Free Spin Profile
Dynamic Experience
When free spins arrived, they added meaningful value without feeling unusually explosive. 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 Book of Claws: Lock&Choose. Free spins triggered once during our 300-spin session. The field average is 2.13. Free spin payout averaged 64.5x, 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
64.5x
TOP 20
181.2x
SLOT
64.5x
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 Book of Claws: Lock&Choose. Hit Rate is 27.0% against a field average of 27.0%, while Profit Hit Rate is 15.0% against a field average of 10.7%.
Hit Rate
Any winning paid spin
27.0%
TOP 20
44.0%
SLOT
27.0%
AVG.
27.0%
BOTTOM
12.6%
Profit Hit Rate
Paid spins returning more than the bet
15.0%
TOP 20
16.7%
SLOT
15.0%
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
HARDCOREPayout comparison chart for Book of Claws: Lock&Choose. Max Payout is 64.5x against a field average of 101.0x, while Avg Payout is 3.19x against a field average of 4.51x.
Max Multiplier
Largest payout from a single paid spin
64.5x
TOP 20
300.1x
SLOT
64.5x
AVG.
101.0x
BOTTOM
17.1x
Average Multiplier
Average payout per paid spin
3.19x
TOP 20
10.4x
SLOT
3.19x
AVG.
4.51x
BOTTOM
1.52x
Payout Quadrant
PEAKPeak
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 Book of Claws: Lock&Choose. Free Spin Dependency is 25.0% against a field average of 30.6%, while Big Win Dependency is 25.0% against a field average of 50.0%.
Free Spin Dependency
Share of total payout that came from free spins
25.0%
TOP 20
72.2%
SLOT
25.0%
AVG.
30.6%
BOTTOM
0.1%
Big Win Dependency
Share of total payout that came from larger standout wins
25.0%
TOP 20
72.1%
SLOT
25.0%
AVG.
50.0%
BOTTOM
30.1%
Dependency Quadrant
STEADYBonus
Loaded
Steady
Big Win
SLOT
Special Features
Feature Highlight: Special Expanding Symbol
The Special Expanding Symbol is one of the most iconic and popular mechanisms in online slot history, a core free spins feature primarily found in 'Book of...' series games. The essence of this feature is that one regular symbol, randomly selected at the start of the free spins, gains a special power. This symbol, as long as it appears on the reels in the required number to form a win, will expand to cover its entire reel and create massive wins regardless of its position.
Feature Highlight: Ante Bet
Ante Bet is a special betting mode where the player pays a small additional cost on top of their base bet to artificially increase the probability of entering the game's core bonus feature (usually free spins). It is a kind of 'strategic booster' offered to players who want to enjoy the highlight moments with a higher probability than a regular spin, but at a lower cost than directly buying the bonus game.
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
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.