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Quickspin · Slot Review

Scatter Monsters — Full Review & Free Demo

4.0/5
Play for Real →
RTP
96.08%
Volatility
Average
Max Win
1,493x
Provider
Reels
6
Bet Range ($,€,£)
0.20 - 100
Rating
4.0/5
Released
Jan 2023

Scatter Monsters Slot Overview

Scatter Monsters from Quickspin drops you straight into a hellish music festival called Scatterbury, packed with vampires, zombies, and demons on a 6x6 grid. Wins happen through a Scatter Pays system; land 8 or more matching symbols anywhere and they count. Winning symbols get removed, new ones cascade in, and the cycle keeps going. Medium volatility, 96.08% RTP at its best, and a max win of 1,493x.

If I'm honest with chat, the vibe here is genuinely different from most grid slots. Heavy, grinding guitar riffs kick in as you spin, giving it a proper rock festival energy. Three colour-coded Soul Meters sit beside the grid, collecting winning symbols and building toward modifiers and free spins. Stakes run from 20p up to 100 quid a spin.

Symbols and Paytable

Nine regular symbols split into three colours. Blue vampires, green zombies, red demons. Each colour links to its own Soul Meter, which matters a lot for the features. Lows are the Impish Vampire, Hatchling Zombie, and Puny Demon, paying 0.75x to 1.25x for a 26-symbol cluster. Mids are the standard Vampire, Zombie, and Demon at 1.5x to 3x. The premiums, Large Vampire, Huge Zombie, and Grand Demon, pay up to 4x, 6x, and 10x respectively.

Wild symbols look like a pentagram with horns. They substitute for all pay symbols but not the Heaven's Gift. That Heaven's Gift symbol is a chest with angel wings; when it lands, it dumps 10 to 50 souls into a random meter before any wins calculate. Small 8-9 symbol clusters pay just 0.2x to 1.5x, so you really need the cascades rolling to build anything meaningful.

Symbol Payouts

icon 1
26+x10
21+x5
16+x4
13+x3
10+x2
8+x1.5
icon 2
26+x5
21+x4
16+x3
13+x2
10+x1.5
8+x1.25
icon 3
26+x4
21+x3
16+x2
13+x1.5
10+x1.25
8+x1
icon 4
26+x3
21+x2
16+x1.5
13+x1.25
10+x1
8+x0.75
icon 5
26+x2
21+x1.5
16+x1.25
13+x1
10+x0.75
8+x0.6
icon 6
26+x1.5
21+x1.25
16+x1
13+x0.75
10+x0.6
8+x0.5
icon 7
26+x1.25
21+x1
16+x0.75
13+x0.6
10+x0.5
8+x0.4
icon 8
26+x1
21+x0.75
16+x0.6
13+x0.5
10+x0.4
8+x0.25
icon 9
26+x0.75
21+x0.6
16+x0.5
13+x0.4
10+x0.25
8+x0.2
icon 10
Special
icon 11
Wild

Soul Meters and Bonus Features

Every winning symbol gets collected into its colour's Soul Meter. The blue Vampire meter needs 20 souls and triggers a Symbol Upgrade, bumping all low-pay symbols on screen to their premium versions. If no lows remain, mids get upgraded instead. The green Zombie meter fills at 40 souls and fires the Colour Removal, wiping all symbols of a random colour from the grid and sending them to that colour's meter. Both of these can overfill for multiple triggers in one spin.

Red is where it gets interesting. The Demon meter demands 60 souls to trigger 8 Free Spins, plus 1 extra spin for every 25 demons past 60. All three meters reset between base game spins, so you genuinely need a long cascade to crack the Demon meter. Not easy.

During Free Spins, leftover souls in the meters convert into a multiplier after each spin. Ranges are x1 for 0-15 souls, x3 for 16-30, x5 for 31-50, x7 for 51-70, x10 for 71-100, and x20 for 101 or more. Filling the Demon meter again during the round adds another spin. The multiplier system is where the real money hides in this slot.

Bonus Buy Options

Bonus Buy Vampire Soul Meter
Vampire Soul Meter
Collect 20 blue vampire souls to upgrade all low-pay symbols to their premium versions. If no lows are present, medium symbols upgrade instead. Can overfill for multiple triggers.
Bonus Buy Zombie Soul Meter
Zombie Soul Meter
Collect 40 green zombie souls to remove all symbols of a random colour from the grid, transferring them to the relevant Soul Meter. Can overfill for multiple triggers.
Bonus Buy Demon Soul Meter
Demon Soul Meter
Collect 60 red demon souls to trigger 8 free spins, plus 1 extra free spin for every 25 souls above 60.
Bonus Buy Free Spins
Free Spins
Triggered by the Demon Soul Meter. Leftover souls in all meters convert into a win multiplier at the end of each free spin: x1 (0-15), x3 (16-30), x5 (31-50), x7 (51-70), x10 (71-100), or x20 (101+).

Volatility, RTP and Max Win

Quickspin rates this medium volatility, 3 out of 5 on their scale. RTP tops out at 96.08%, but operators can set it to 94.19% or even 87.15%, so always check which version your casino runs. The max win sits at 1,493x your stake, and if I'm honest with chat, that is low. For a slot that requires you to collect 60 red souls just to reach the bonus, you'd expect a higher ceiling.

An epic win of 100x reportedly lands around once every 866 spins. The max win itself has roughly a 1 in 100 million hit rate. So this is not a slot where you chase life-changing numbers. Sessions tend to grind through the base game with small returns until the free spins finally pop.

💬 What Players Say
Players appreciate the original theme and Soul Meter mechanics but feel the 1,493x max win is underwhelming for the effort needed to trigger the bonus. Based on 4 reviews.
Ryan Cole’s Verdict

Scatter Monsters Verdict

I'd stream this for a session, mainly because the Soul Meter mechanic keeps you engaged even when wins are small. Every cascade feeds into the meters, every colour removal shuffles the board, and you constantly feel like you are building toward something. The heavy metal soundtrack adds genuine atmosphere, and the three monster types give the grid real personality.

Where it falls short is the reward for all that effort. A 1,493x cap is modest, especially when filling the Demon meter from scratch takes a serious cascade chain. Base game stretches can feel flat, and not everyone will enjoy grinding toward a bonus that might return a middling result. If you want massive max win potential, look elsewhere. But for a medium-volatility session with proper mechanical depth, Scatter Monsters is worth a go. I'd keep it in the rotation for shorter streams where chat fancies something different.
4.0
★★★★☆
out of 5
✓ Pros
Three unique Soul Meter modifiers add real depth
Cascading scatter pays keep spins rolling
Free spins multiplier system rewards long chains
Cracking heavy metal soundtrack sets the mood
Bonus buy option available for impatient sessions
✗ Cons
Max win capped at just 1,493x stake
Base game can feel slow to build
Adjustable RTP ranges across different operators
Soul meters reset every spin, tough to fill
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.
View All Reviews →
Scatter Monsters FAQ
How do the three Soul Meters work in Scatter Monsters?
Winning symbols are removed from the grid and collected into the Soul Meter matching their colour. Blue vampires fill the Vampire meter at 20 souls for a symbol upgrade, green zombies fill the Zombie meter at 40 for colour removal, and red demons fill the Demon meter at 60 to trigger 8 free spins.
What triggers the free spins round and how many do you get?
Collecting 60 red demon souls in a single spin's cascade awards 8 free spins. Every 25 additional demon souls past 60 add 1 extra spin. During free spins, hitting 60 demons again also grants an additional spin.
How does the leftover souls multiplier work during the bonus?
After each free spin, any souls remaining in the meters convert into a multiplier applied to that spin's win. The scale runs from x1 for 0-15 souls up to x20 for 101 or more souls.
Can the Vampire and Zombie meters trigger more than once per spin?
Yes. Both meters can overfill, so if you collect 40 vampire souls in one cascade, the symbol upgrade fires twice. The same applies to the Zombie meter at 80 souls triggering two colour removals. All meters reset between spins though.
What does the Heaven's Gift symbol do and does it appear often?
Heaven's Gift is a chest with angel wings that deposits 10 to 50 souls into a random Soul Meter before any win is calculated. It helps push meters closer to their thresholds, especially the Demon meter which is otherwise difficult to fill from cascades alone.