Hacksaw Gaming

Dark Spiral

Anime Horror cascade slot shaped by expanding symbol stacks

SlotRanker Score

/ 99

05099

The SlotRanker Score is calculated from the visible data below. It is not affected by affiliate deals, and it cannot be bought.

How this score is built

RTP

96.22%

return to player

Volatility

High volatility

variance

Max win

10,000×

top multiplier

Min bet

$0.10

per spin

Reels

4096 lines

Player rating

4.0 ★

17 votes

DEMO Play free, no signup

Hacksaw Gaming

Embed on your site

4.0 / 5

17 ratings

User ratings are shown separately from the Slot Score unless stated otherwise.

Five weighted signals shape the composite. Four context signals refine ties. See how we rate for the full methodology.

Payouts & RTP9/10

RTP 96.22% → 9.0/10

Volatility9/10

high → 9.0/10

Win Potential8/10

x10000.00 (10000×) → 8.0/10

Features7/10

11 features → 7.0/10

Game Mechanics6.6/10

f=11 r=6 p=4096 → 6.6/10

Context signals (tie-breakers)

Layout5/10

6x4 → 5.0/10

Bet Flexibility6/10

0.1–100 (×1000) → 6.0/10

Provider Reputation6.6/10

provider avg 6.6 → 6.6/10

Popularity5/10

synthetic proxy → 5.0/10

Popularity blends real player search demand (~30 markets) with a catalogue-derived proxy; games without measurable search demand use the proxy alone. Not live play telemetry.

Cite this score

SlotRanker Score: 73 — Dark Spiral by Hacksaw Gaming

https://slotranker.com/hacksaw-gaming/dark-spiral#score

How to cite

Slot Summary

The player's clearest decision comes before the reels move: take Dark Spiral's 96.22% base route or pay for direct access to one of its feature states. Hacksaw Gaming then makes stacked Summoning symbols the source of uncertainty. They reveal matching symbol stacks, persist through winning cascades, and can expand when adjacent to Wilds. That interaction suits the Anime Horror presentation, where distortion changes both the subject and the playable grid.

How It Plays

Dark Spiral starts with 4096 ways across a 6x4 arrangement. Winning symbols leave through cascades, while participating special stacks remain and reveal new matching symbols.

A Wild Symbol landing directly above or below a special stack on the same reel is absorbed into it. The stack expands and creates additional symbol positions.

Theme & Atmosphere

Darkness and Horror define the subject, with distorted bodies, unnatural transformations, and hostile reflections giving the presentation a Japanese manga-influenced Anime direction.

The visual premise mirrors the mechanical one: familiar forms stretch, split, and change shape. That correspondence gives the Horror material a direct relationship to reel behavior.

Horror Darkness Anime

Features & Win Potential

Mystery symbols arrive as differently sized stacks and reveal groups of matching paying symbols or Wild Symbols. Winning stacks stay in place while surrounding symbols change.

Expanding Symbols react to adjacent Wild Symbols on the same reel. In the enhanced round, Sticky Symbols preserve those expanded positions across successive Free Spins.

Free Spins 6 Reels Scatter Symbol Wild Symbol Additional Free Spins Expanding Symbols RTP range Bonus Bet Mystery symbol Stack Sticky Symbols

Bonus & Free Spins

Landing 3 Scatter Symbols opens Shattered and awards 10 Free Spins with a higher chance of special stacks. Landing 4 instead opens Twisted, where those stacks remain Sticky.

Landing 5 Scatter Symbols opens Tortured, the hidden tier that cannot be purchased. It retains the Sticky Symbols behavior and guarantees 2 special stacks on the first spin.

During any of the 3 Free Spins modes, landing 2 or 3 additional Scatter Symbols awards 2 or 4 Additional Free Spins respectively.

Spec sheet

Dark Spiral at a glance.

Identity

Slot nameDark Spiral

StudioHacksaw Gaming

Released

Math

SlotRanker Score73

RTP96.22%

VolatilityHigh volatility

Max win10,000×

Bet range$0.10 – $100.00

Player rating4.0 / 5 · 17 votes

Format

Reels6

Paylines4096

Layout6x4

Features

Themes

Expected average based on this slot's 96.22% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$1.51

Cost per session$1.51

Estimate only, for entertainment purposes — treat gambling as entertainment, not a way to make money, and set a budget you can afford to lose.

How long could a bankroll last on Dark Spiral? We simulate thousands of sessions from this game's published RTP and volatility — the long-run math, not a prediction of your next spin.

Bankroll ($)Bet per spin ($)Speed

Volatility tier: High

Running simulation…

How this works

Each simulated spin either misses or returns a win drawn from a log-normal distribution, with the hit rate and spread set by the slot's volatility tier (High). The model is calibrated so the average return equals this slot's published RTP (96.22%), with wins capped at its top multiplier (10,000×).

This is a simplified, parametric model of the game's math — not its real paytable. It exists to make the house edge visible over many sessions, so the numbers above are averages across thousands of runs, never a forecast of one.

This is math, not a prediction. Real sessions vary wildly, and no strategy changes a game's built-in house edge. Play for fun, set limits, and never bet more than you can afford to lose.

Where to play Dark Spiral

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Compare Dark Spiral with other games

	Dark Spiral Score 73This game	Dark Ritual Score 90	Bones & Bounty Score 88	Drac's Stacks Score 87	Darkness Score 84
Identity
Studio	Hacksaw Gaming	Advant Play	Thunderkick	Massive Studios	Print Studios
Released	—	4/26/2024	10/18/2023	12/6/2023	10/19/2023
Math
RTP	96.22%	97.09%	96.16%	96.74%	96.14%
Volatility	High volatility	High volatility	High volatility	High volatility	High volatility
Max win	10,000×	20,000×	25,000×	50,000×	20,000×
Format
Reels	6	5	5	6	5
Layout	6x4	5x3	5x4	6x4	5x3
Paylines	4096	3125	4096	50	26
Min bet	0.1	0.1	0.2	0.1	0.1
Max bet	100	10	100	100	1
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	✓	✓
Free spins	✓	✓	✓	✓	✓
Scatter symbol	✓	✓	✓	✓	✓
Multiplier	—	✓	✓	✓	✓
Bonus game	—	✓	—	—	—
Respins	—	—	✓	—	—

Every number is shown as a delta against Dark Spiral.

Comparing against

Dark Spiral

Hacksaw Gaming

RTP

96.22%

Max win

10,000×

Score

+ Multiplier+ Bonus Game

+ Multiplier+ Respins

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