Blobsters Clusterbuster Slot Review

4.5/5
Based on our expert’s review. Reviewed by
Red Tiger Gaming Slots
Review by
Daisy Harrison
Updated: 16/02/2023
Review by
Daisy Harrison
Updated: 16/02/2023

Get ready for an alien invasion of the very cute variety, in the Blobsters Clusterbuster slot by Red Tiger Gaming. Played across a 9×9 grid, with a cluster pays mechanism and some adorable extraterrestrials, there’s a lot to unpack here. Unlock 3 different modifiers to boost your chances of winning big, then enter the Invader Spins feature to gain free spins and multipliers. With max wins of 7,517.1 x your stake, an RTP rate of 95.7%, and the promise of ‘blobs and money drops’, read our full Blobsters Clusterbuster review to learn more.

Max Win
7,517.1 x bet
Play
T&Cs Apply

18+ New players only. Min Dep £20. Max Bonus Bet £5. Offer: 100% of 1st deposit up to £300 + 150 Zee Spins on Starburst (first 60 credited on 1st deposit; rest credited at 07:00GMT at 10/day) + 500 Zee Points. Spins expire after 23:59GMT on day they’re credited. Winnings from each set of spins capped at £50 & credited as bonus. Bonus funds expire after 30 days, are separate to Cash funds, & subject to 35x wagering of bonus + deposit amounts. Affordability checks apply Full Terms Apply BeGambleAware.org #ad

Name
Blobsters Clusterbuster
Provider
Red Tiger Gaming
Type of Slot
Grid Slot
Theme
Aliens
Reels
9 x 9 grid
Paylines
Cluster Pays
Stakes Range
10p to £10
Bonus Features
Yes (4)
Free Spins/Multiplier
10-19/1-12 x bet
Max Win
7,517.1 x
RTP
95.7%
Volatility
High

Blobsters Clusterbuster Demo

18plus uk-gambling-commission online-slot-co-uk-logo agechecked-verification-provider
T&Cs Apply 18+ New players only. Min Dep £20. Max Bonus Bet £5. Offer: 100% of 1st deposit up to £300 + 150 Zee Spins on Starburst (first 60 credited on 1st deposit; rest credited at 07:00GMT at 10/day) + 500 Zee Points. Spins expire after 23:59GMT on day they’re credited. Winnings from each set of spins capped at £50 & credited as bonus. Bonus funds expire after 30 days, are separate to Cash funds, & subject to 35x wagering of bonus + deposit amounts. Affordability checks apply Full Terms Apply BeGambleAware.org #ad
18plus uk-gambling-commission online-slot-co-uk-logo agechecked-verification-provider
T&Cs Apply 18+ New players only. Min Dep £20. Max Bonus Bet £5. Offer: 100% of 1st deposit up to £300 + 150 Zee Spins on Starburst (first 60 credited on 1st deposit; rest credited at 07:00GMT at 10/day) + 500 Zee Points. Spins expire after 23:59GMT on day they’re credited. Winnings from each set of spins capped at £50 & credited as bonus. Bonus funds expire after 30 days, are separate to Cash funds, & subject to 35x wagering of bonus + deposit amounts. Affordability checks apply Full Terms Apply BeGambleAware.org #ad

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Blobsters Clusterbuster RTP, Details & Wager Limits

Reels/Paylines: 9×9 grid + scatter pays

Stakes Range: 10p to £10 per spin

Max Win: 7,517.1 x stake per spin

RTP: 95.7%

Don’t be alarmed when you launch the Blobsters Clusterbuster slot. What looks a little confusing is actually just a 9×9 grid, with a cluster pays mechanism. Unlike most grid slots, however, you’ll find the middle 9 positions are filled up by a giant blob. This is Red Tiger Gaming’s Clusterbuster mechanism, which we’ll talk more about later.

For now, just consider that there are 72 positions available to create winning clusters. A winning cluster consists of 5 or more matching symbols landing horizontally or vertically adjacent to each other. You’ll also find that winning clusters are blasted off the reels to allow more symbols to drop in and take their positions. This gives you the chance of winning more than once on each spin.

Blobsters Clusterbuster is playable from 10p to £10 per spin. Use the + and – buttons below the reels to adjust your stake. Players from outside the UK can also use an Autospin feature, which they can set to spin 20-100 times. There’s also a Turbo Spin function for faster gameplay.

With an RTP rate of 95.7% and a high volatility, Blobsters Clusterbuster has a pretty standard math model. The max win limit of 7,517.1 x your total stake could be higher, but it’s definitely not the lowest we’ve come across. Bigger wins will generally come via the Free Spins round with extra multipliers.

Theme – Surrender to the mighty Blob

Theme: Aliens

High Value Symbol: Yellow Alien

Compatibility: Mobile, Tablet, Desktop

blobsters-clusterbusters-slot-base-game

Whilst the name Blobsters Clusterbuster is quite a mouthful, the theme here couldn’t be more obvious. It’s an alien invasion, with blobby martians, of course! Don’t expect anything horrifying though. Instead these blobs are cute, colourful and a little bit cheeky. They’re more like the aliens from Toy Story or Play n’Go’s Reactoonz to be even more precise, which is why the slot may feel somewhat familiar.

On the reels, Blobby, king of the blobs, takes centre stage. Flying in a UFO in the centre of the reels, we enjoyed his yawns, grins, and fits of rage. He also makes his own sound effects. These are endearing at first, but we wouldn’t blame you for hitting mute after the first couple of minutes.

On the reels themselves, low value symbols include 10 to Ace royals, whilst other brightly coloured aliens make up the higher end of the paytable. The yellow alien is the highest paying symbols, rewarding you with up to 250 x your stake for a winning combination.

Blobsters Clusterbuster also features wild symbols, which substitute for all others to help you create winning combinations. These rarely appear in the base game but when they do, they can be super useful.

Symbol Payout/Info
blobsters-clusterbuster-slot-10-symbol10 Up to 10 x stake
blobster-clusterbusters-slot-jack-symbolJack Up to 12 x stake
blobsters-clusterbuster-slot-queen-symbolQueen Up to 14 x stake
blobsters-clusterbuster-slot-king-symbolKing Up to 16 x stake
blobsters-clusterbuster-slot-ace-symbolAce Up to 20 x stake
blobsters-clusterbuster-slot-blue-alien-symbolBlue Alien Up to 50 x stake
blobsters-clusterbuster-slot-green-alien-symbolGreen Alien Up to 100 x stake
blobsters-clusterbuster-slot-pink-alien-symbolPink Alien Up to 150 x stake
blobsters-clusterbuster-slot-yellow-alien-symbolYellow Alien Up to 250 x stake
blobsters-clusterbuster-slot-wild-symbolWild Substitues for all other symbols

Blobsters Clusterbuster Mobile

blobsters-clusterbusters-mobile-slot
Like all Red Tiger Gaming slots, Blobsters Clusterbuster runs on HTML5 technology, making it suitable for all devices. You can play the slot on mobiles, tablets, laptops and PCs.

Whilst the bright graphics make the slot impressive on mobile too, we recommend playing on laptop or PC. With a larger screen, the grid layout is easier to follow and you’ll be able to appreciate the detail.

Blobsters Clusterbuster Bonus Features

There are 4 main bonus features in the Blobsters Clusterbuster slot. This includes the Clusterbuster feature itself, then the bonus rounds it activates.

Clusterbuster Feature

As mentioned earlier, in the middle of the grid you’ll find a 3 x 3 block occupied by Blobby himself. Form a win next to this block and the adjacent lights on Blobby ’s UFO light up. If you can light up all the lights during one spin, or via subsequent spins in a tumble sequence, you’ll unlock one of the extra bonus features mentioned below.

It’s worth noting that Blobsters Clusterbuster is a tracked progress slot. By this we mean that certain bonus features are only unlocked after others. Your progress is tracked above the reels, and it’s important to know that if you change your stake size, your progress resets.

The order in which you will unlock features is: Upgrader feature > Frenzy Feature > Supersize Feature > Invader spins. Now let’s take a closer look at what each feature entails.

Upgrader Feature

The first of the bonus features, the Upgrader feature turns random low-paying symbols (that haven’t formed a win) into higher paying symbols. Between 8 and 24 symbols may be upgraded in the base game, and 11-31 symbols in the free spins round. Once the symbols have transformed, a new payout calculation is made.

The Upgrader feature is symbolised by the green lights on Blobby’s spaceship. Once you’ve unlocked the feature once, it may also happen on any random spin.

Frenzy Feature

When you see the UFO light up pink, you’ve triggered the Frenzy feature. Blobby will now transform random symbols into wilds. 5 to 20 symbols may be turned into wilds and, should they help form a new win, a new payout will be calculated.

As before, once unlocked the Frenzy feature may trigger randomly on future spins.

Supersize Feature

As the name suggests, the Supersize feature gives you extra large symbols to help form winning clusters. This feature unlocks when you see the blue lights on the UFO, and may randomly trigger on random spins thereafter.

Between 2 and 4 random high paying or wild symbols may be supersized, and they’ll grow to be 3 x 3 positions in size. This feature is very valuable as it really boosts your chances of creating a high-paying cluster

Invader Spins Feature

blobsters-clusterbuster-slot-free-spins

Once you’ve unlocked the 3 bonus features mentioned above, each time you activate Blobby’s UFO you’ll trigger the Invader Spins round. Each activation gives you 10 free spins, and an increased rate of triggering the other bonus features.

Light up Bobby’s spaceship during Invader Spins and you’ll also gain extra multipliers. You can do this up to 3 times. Here’s what you’ll receive each time:

1st Activation 3 x multiplier on all wins + 3 extra spins
2nd Activation 7 x multiplier on all wins + 3 extra spins
3rd Activation 12 x multiplier on all wins + 3 extra spins

Blobsters Clusterbuster Review Summary – big wins comes to those who wait

Ratings
Theme & Symbols








Sounds & Music








Bonus Features








RTP (95.7%)








Max Win ( 7,517.1 x)








Originality








The Blobsters Clusterbuster slot is a very entertaining title with great graphics. The graphics are fantastic across all devices and while we’re sure players will either love or hate Blobby’s personality, we found him endearing.

In terms of gameplay, although many of the bonus features are similar to those found in other Clusterbuster slots, such as Dragons Clusterbuster, there’s still a lot to enjoy. We found the Supersize feature to be notably lucrative, but when you unlock the Invader Spins feature the real fun begins. With added multipliers, extra spins, and the chance of triggering other features too, this bonus round gives you the best chance at reaching those 7,517.1 x stake max wins.

The only downside to Blobsters Clusterbuster is that it favours players with patience, and a large bankroll. As you need to work your way through 3 other bonus features to reach the Free Spins round, it isn’t for those who want some quick spins. What’s more, the slot’s high volatility means triggering even 1 bonus feature can be costly, never mind the fact that you can’t lower your stake without losing your progress.

Overall, the Blobsters Clusterbuster slot won’t be for everyone. For those that enjoy grid slots and long gaming sessions, however, we think the features are well worth the wait.

Keen for some more sci-fi grid slot action? Why not try Reapers by Print Studios? A unique slot with amazing graphics, it boasts a 96.47% RTP rate and 20,000 x bet max win.

Pros
  • 7,517.1 x max wins
  • Original bonus features + gameplay
  • Great graphics and theme
Cons
  • Unlocking Free Spins can take a while

Blobsters Clusterbuster FAQs

What is the Blobsters Clusterbuster RTP?

The Blobsters Clusterbuster slot boasts an RTP of 95.7%. This is just under the industry average for an online slot. The game also has a high volatility rating, meaning you might spin for a while without landing a win.

What is the Blobsters Clusterbuster slot max win?

Blobsters Clusterbuster boasts a max wins of 7,517.1 x your stake. This is quite reasonable, although there are other grid slots on the market with much higher max payouts. Big wins are most likely to come after you unlock all the bonus features and reach the Free Spins round.

Is there a Blobsters Clusterbuster free spins feature?

Yes! One you unlock all of the bonus features, you can activate the UFO to trigger the Free Spins feature. You will be awarded 10 free spins, and there’s the chance to land multipliers and up to 9 extra spins too.

Is there a Blobsters Clusterbuster slot demo?

Yes, you can play the Blobsters Clusterbuster demo slot here at Online-Slot.co.uk. Join Blobby and the other aliens in our free play version, on mobiles, tablets, laptops and PCs.

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