Dark spiral slot

Dark Spiral by Hacksaw Gaming

Descend into a surreal world of body horror and cosmic dread, summon grotesque stacks, and spiral your way toward a 10,000x win.

96.10%

RTP

50

Lines

5x4

Reels and Rows

0.5 - 200 EUR

Bet Range

0.5 - 200 EUR

Bet Range

0.5 - 200 EUR

Bet Range

Dark Spiral is Hacksaw Gaming's horror-themed slot inspired by cosmic dread and body mutation, set in a stark void with a glowing spiral at its center. The game runs on a 6x4 grid with 4,096 ways to win, expandable up to 331,776 ways through Summoning symbol mechanics. Built in HTML5, it runs seamlessly on desktop, tablet, and mobile without a download. The RTP is 96.22%, with medium-high volatility and a 25.2% hit frequency, and stakes range from $0.10 to $100 per spin. The maximum win is 10,000x your stake, driven by cascading Summoning symbols that stick, expand, reveal new pay symbols, and chain wins across base play and all three bonus tiers. Alternate RTP configurations of 94.22%, 92.32%, and 86.24% may apply depending on casino settings. Unlike standard horror slots, Dark Spiral ties its tension directly to mechanics; every Summoning symbol can absorb wilds, grow in size, and continuously generate new outcomes as cascades continue.

How to Play Dark Spiral

The layout is familiar and easy to navigate, but understanding how Summoning symbols grow, absorb wilds, and chain through cascades is what separates a passive session from one where the ways-to-win count climbs to its full 331,776.

1. Set Your Bet

Use the bet controls at the bottom of the screen to select a stake between $0.10 and $100 per spin.

2. Spin the Reels

Press Spin for a manual round or activate Autoplay for multiple spins with optional loss-limit and win-cap stop conditions.

3. Watch Summoning Symbols Grow

Focus on landing Summoning symbols on reels 2–6, where they expand, absorb wilds, and trigger cascading chain reactions that increase win potential.

4. Trigger Free Spins Naturally

Land 3, 4, or 5 FS Scatters to enter Shattered, Twisted, or Tortured. The highest tier requires natural activation.

5. Use Bonus Buy for Direct Access

Instantly enter bonus features via Bonus Buy options, including guaranteed Summoning symbol setups at higher multipliers.

Play now, spin the reels, unlock cascading Summoning symbols, and sign up to start chasing wins today.

FAQs

What is the RTP of Dark Spiral?

The base RTP is 96.22%, with alternative configurations of 94.22%, 92.32%, and 86.24% depending on the casino.

Dark Spiral has medium-high volatility with a 25.2% hit frequency, meaning fewer but potentially larger wins.

The maximum win is 10,000x your stake, driven by Summoning symbol chains and the Tortured bonus conditions.

Stakes range from $0.10 to $100 per spin.

Yes, it runs on HTML5 across iOS and Android devices via browser.

3 Scatters trigger Shattered, 4 trigger Twisted, and 5 trigger the Tortured Hidden Epic Bonus.

No, it can only be triggered naturally via 5 Scatters.

Yes, most casinos offer a free demo version with virtual credits.

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Game Features

Dark Spiral centres its entire design around the Summoning symbol mechanic, then layers three escalating bonus rounds on top of it, each adding a new condition that makes the Summoning symbols progressively more powerful and persistent.

Cascading Wins

Winning symbols are removed from the grid and replaced by new drops, continuing until no further wins occur. This creates chain reactions that can stack multiple payouts in a single spin and amplify the effect of Summoning symbols.

Summoning Symbols

Summoning symbols appear as vertical stacks (1x2 to 1x4) on reels 2–6, revealing matching pay symbols or wilds underneath. When interacting with wilds, they expand and absorb them, increasing their size and potential. If part of a winning cascade, they remain on the grid and reveal new symbols, enabling extended chain reactions that can push ways-to-win up toward 331,776.

Shattered

Landing 3 FS Scatters triggers 10 free spins with increased Summoning symbol frequency. During the round, landing 2 or 3 extra Scatters awards additional spins.

Twisted

Landing 4 FS Scatters triggers 10 free spins with all Shattered features, plus Sticky Summoning symbols that remain locked for the entire bonus round and generate new reveals after each cascade and spin.

Tortured Hidden Epic Bonus

Landing 5 FS Scatters triggers 10 free spins with all Twisted features active. The round begins with 2 guaranteed Summoning symbols already on the grid and cannot be triggered via Bonus Buy.