Stack'em

Stack'em is a Hacksaw Gaming slot, and its 300SPINS™ profile is closest to Balance.

The slot is built on a 5x6 reel grid with cluster pays and offers a theoretical maximum win of x10,000.

It also comes with special features such as Reel Multiplier and Cluster Pays, adding multiplier-driven win scaling and cluster-based hit patterns beyond fixed lines.

Verdict

BALANCED
Player Fit Spectrum
Balanced
CasualBalancedHardcore

Wins occurred less often than the comparison average, and the share of spins paying more than the bet was also below average.

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
67.98%
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’s deviation was in the middle range of the comparison group.

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

BALANCED

User Rating

3.6

Free Spin

1 Trigger

Jackpot

None

Reel Config

5x6

Paylines

Cluster

RTP

96.2%

Volatility

High

Max Win

10,000x

Bonus Buy

129x

Demo Play

Slots with Similar Characteristics

FeatureMatch™

Multiple themes shape the profile

The counts are spread unevenly across several roles, without a single theme or pair taking a clear lead. The payout-related family contributes to increases in reward values. Wild mechanics help shape the symbol combinations represented in the profile.

Feature richness

A mid-sized feature set adds several mechanical layers to the core spin-and-win format, offering a moderate range of special systems to explore.

Feature mechanics
6
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 9

Balance Chart: 300SPINS™ Review

Balance Timeline

300 Paid Spins
SPIN 0Balance 600

Free Spin Analysis: 300SPINS™ Review

Free Spin Profile

Free spins triggered less often than the comparison average, and their average payout per trigger was also below average. Based on 1 naturally triggered bonus rounds.

Free Spin Comparison

Free Spin Triggers 1 / AVG. 2. Free Spin Payout Multiplier 25.6x / AVG. 62.6x

Free Spin Triggers

1

TOP 20
7
SLOT
1
AVG.
2
BOTTOM
0

Free Spin Payout Multiplier

25.6x

TOP 20
177.0x
SLOT
25.6x
AVG.
62.6x
BOTTOM
11.4x

Observation Map

Free Spin Triggers

Free Spin Payout Multiplier

Hit Rate Analysis: 300SPINS™ Review

Play Rhythm

Wins occurred less often than the comparison average, and the share of spins paying more than the bet was also below average.

Rhythm Comparison

Hit Rate 10.0% / AVG. 26.3%. Profit Hit Rate 6.0% / AVG. 10.6%

Hit Rate

10.0%

TOP 20
42.8%
SLOT
10.0%
AVG.
26.3%
BOTTOM
12.6%

Profit Hit Rate

6.0%

TOP 20
16.6%
SLOT
6.0%
AVG.
10.6%
BOTTOM
5.8%

Observation Map

Hit Rate

Profit Hit Rate

More slots from Hacksaw Gaming

Payout Analysis: 300SPINS™ Review

Payout Profile

The maximum win multiplier was below the comparison average, but the average multiplier among winning spins was above average.

Payout Comparison

Max Multiplier 65.3x / AVG. 96.3x. Average Win Multiplier 6.80x / AVG. 4.44x

Max Multiplier

65.3x

TOP 20
278.6x
SLOT
65.3x
AVG.
96.3x
BOTTOM
17.8x

Average Win Multiplier

6.80x

TOP 20
9.91x
SLOT
6.80x
AVG.
4.44x
BOTTOM
1.56x

Observation Map

Max Multiplier

Average Win Multiplier

Dependency Analysis: 300SPINS™ Review

Dependency Profile

Free-spin payout share was below the review-session average. Top 10% win payout share was near the review-session average. The largest 3 of 30 winning records supplied 59.3% of total payout.

Dependency Comparison

Free Spin Dependency 12.6% / AVG. 32.6%. Big Win Dependency 59.3% / AVG. 63.9%

Free Spin Dependency

12.6%

TOP 20
73.5%
SLOT
12.6%
AVG.
32.6%
BOTTOM
0.5%

Big Win Dependency

59.3%

TOP 20
85.1%
SLOT
59.3%
AVG.
63.9%
BOTTOM
41.8%

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.

Inverted Cascade

Inverted Cascade is a highly original mechanism that completely reverses the rules of a standard 'Cascading Reels' feature. The core of this feature is that when a win occurs, the winning symbols 'stick' in place, and only the non-winning 'dud' symbols disappear, with new symbols falling into their empty spaces. This provides the player with the visual pleasure of watching their winning cluster progressively grow larger.

Bonus Buy Price Comparison

Price x129

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

User Rating

Community Score

3.6

/ 5.0

Based on 5 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.

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