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Play’n GO · Slot Review

Demon — Full Review & Free Demo

3/5
Play for Real →
RTP
96.00%
Volatility
High
Max Win
2,500x
Provider
Reels
5
Paylines
30
Bet Range ($,€,£)
0.30 - 90
Rating
3/5
Released
Sep 2019

Demon Slot Overview

Demon is a branded video slot from Play'n GO, built on a 5x3 grid with 30 paylines. Released on 26 September 2019, the game pays tribute to the English rock band Demon, known for their role in the new wave of British heavy metal. Bets range from 0.30 to 90 per spin, and the slot runs on all devices including mobile.

From a math perspective, the RTP sits at 96.51% with high volatility and a max win of 5,000x your stake. I found the overall feature set quite focused; there is a single base game mechanic and a layered free spins system with nested bonus rounds. Not everyone will connect with the obscure band theme, but the numbers underneath are solid enough to examine closely.

Symbols and Paytable

Payouts require 3 to 5 matching symbols on a payline. Wild Mask is the top payer at 16.66x for five, followed by Vocalist Dave Hill at 10x. Four album emblem symbols fill the mid range: Golden Cross at 8.33x, Gargoyle at 6.66x, Masked Demon Robot at 4.16x, and Lady Statue at 3.33x. Card suit symbols pay just 1.66x for five.

Looking at the paytable structure, the gap between the Wild Mask (16.66x) and the lowest regular symbol (1.66x) is roughly 10:1. That ratio tells you this game leans heavily on wild-driven combinations for meaningful payouts. Base game hits without wilds will rarely move the needle, which aligns with the high volatility rating.

Symbol Payouts

icon 1
Scatter, Wild
5x16.6
4x3.33
3x1.33
icon 2
5x10
4x2.5
3x1
icon 3
5x8.3
4x1.6
3x0.6
icon 4
5x6.6
4x1.3
3x0.6
icon 5
5x4.16
4x0.83
3x0.66
icon 6
5x3.33
4x0.83
3x0.66
icon 7
5x1.66
4x0.83
3x0.33
icon 8
5x1.66
4x0.83
3x0.33
icon 9
5x1.66
4x0.83
3x0.33
icon 10
5x1.66
4x0.83
3x0.33
icon 11
5x1.66
4x0.83
3x0.33
icon 12
Scatter, Wild

Bonus Features Breakdown

Only one feature exists in the base game. The Wild Mask symbol lands exclusively on reel 3; when it appears, every Dave Hill vocalist symbol on the grid converts into a wild. Centre position on reel 3 is the ideal landing spot, as it also determines free spin allocation later.

Free spins trigger when Wild Amulet symbols land on reels 1 and 5 simultaneously with a Wild Mask on reel 3. A centre mask awards 11 spins via the One Helluva Night feature; top or bottom position gives 6. Each spin carries a random multiplier of 2x, 3x, 5x or 8x. The numbers tell you that roughly 105 spins are needed on average to trigger the bonus.

Landing Wild Amulets on reels 1 and 5 during free spins activates the Depths of Hell nested round. You receive 4 to 8 extra spins (6 to 10 if a Wild Mask also appears). The multiplier locks at whatever value was active on the triggering spin. A centre-position Wild Mask doubles it, pushing maximum possible multiplier to 16x. Re-triggers are allowed, but the doubling can only apply once per sequence.

Bonus Buy Options

Bonus Buy Wild Mask Feature
Wild Mask Feature
Wild Mask lands on reel 3 and transforms all Dave Hill vocalist symbols into wilds.
Bonus Buy One Helluva Night Free Spins
One Helluva Night Free Spins
Triggered by Wild Amulets on reels 1 and 5 plus Wild Mask on reel 3. Awards 6 or 11 free spins with random 2x, 3x, 5x or 8x multipliers each spin.
Bonus Buy Depths of Hell Nested Free Spins
Depths of Hell Nested Free Spins
Triggered within free spins by landing Wild Amulets on reels 1 and 5. Awards 4-10 spins with the multiplier locked from the triggering spin. Wild Mask on reel 3 centre doubles the multiplier up to 16x.

RTP, Volatility and Max Win

96.51% RTP places Demon slightly above the Play'n GO average, which tends to hover around 96.20% on newer titles. Volatility is listed as high, scoring 10 out of 10 on some rating scales. One source lists max win at 2,500x, while another cites 5,000x. I lean towards 5,000x based on multiple data points, though the original organic ceiling with a 16x multiplier could theoretically reach 8,000x before capping.

I'm not entirely sold on the risk-reward balance here. A 10/10 volatility rating paired with a 5,000x cap feels restrictive compared to other Play'n GO branded slots like KISS Reels of Rock at 50,000x or HammerFall at 30,000x. Players chasing high volatility games usually expect more upside.

Ryan Cole’s Verdict

Final Verdict

Demon has a tightly focused feature set that revolves almost entirely around the free spins and nested Depths of Hell mechanic. The locked multiplier system is the mathematical centrepiece, and when it clicks at 16x the payouts can stack quickly. Base game can drag, though, with only the Wild Mask feature to break up standard spins.

From a math perspective, the 96.51% RTP is fair and the volatility is genuinely high. My main criticism is the max win ceiling; 5,000x feels low for the variance you accept. Players who enjoy layered bonus structures with escalating multipliers will find value here, but those seeking headline max wins should look elsewhere in the Play'n GO branded music range.
3
★★★☆☆
out of 5
✓ Pros
Wild Mask feature turns symbols into wilds
Random multipliers up to 8x each free spin
Hell Spins lock in active multiplier
Multiplier can double to 16x in Hell Spins
96.51% RTP above average for Play'n GO
✗ Cons
Max win capped well below organic potential
Obscure band theme limits appeal
Only one base game feature
Bonus trigger requires three specific symbols simultaneously
Ryan Cole
Ryan Cole
Lead Casino Slots Analyst
5+ years analysing online slots for the UK market. Every game is played for a minimum of 500 demo spins before publication. No affiliate bias — ever.
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Demon FAQ
How do you trigger free spins in Demon?
Wild Amulet symbols must land on both reel 1 and reel 5 on the same spin, while a Wild Mask appears on reel 3. Centre position on reel 3 awards 11 free spins; top or bottom position gives 6.
What is the maximum multiplier in Depths of Hell?
The multiplier locks at 2x, 3x, 5x or 8x from the triggering spin. A centre Wild Mask doubles it, so the maximum possible multiplier is 16x. Doubling can only occur once per Depths of Hell sequence.
Can the Depths of Hell feature be re-triggered?
Yes. Landing Wild Amulets on reels 1 and 5 during Depths of Hell re-triggers the nested free spins. However, the multiplier doubling from a centre Wild Mask can only apply once across all re-triggers.
What does the Wild Mask do in the base game?
Wild Mask appears only on reel 3. When it lands, all Dave Hill vocalist symbols anywhere on the grid transform into wilds for that spin, creating additional winning combinations.
How does Demon's max win compare to other Play'n GO music slots?
At 5,000x, Demon offers significantly less upside than KISS Reels of Rock (50,000x), HammerFall (30,000x) or Testament (20,000x). For a high volatility profile, the cap is on the lower end of the branded music catalogue.