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Cluster Kingdom Slot Review

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Hollywood films based on historical periods when regions were divided into kingdoms, are among my most-loved forms of entertainment, especially on a lazy day.

Pros & Cons
Straightforward playing process
Has a below-average RTP
Medieval-looking visuals in line with the theme
Only high-rollers may enjoy the bets
Plenty of features to work with
Not feature-packed as other ELK slots
Potential to win up to 10,000x bet
Several X-iter (buy bonus) options

The Cluster Kingdom Slot Game

ELK Studios often creates sophisticated slots, which would take some players a long period to acquaint themselves with the gameplay. But I think the company is taking a more inclusive strategy, evidencing the simplicity in this slot and Thoro, its immediate predecessor.

Cluster Kingdom doesn’t show you the expansiveness of the kingdom in question. Instead, it lays bare its 5 by 5 gameboard on a table, surrounded by silver and gold coins. In short, your focus is on finding the treasures instead of admiring medieval castles. 

A relaxing melody entertains players for most of the gameplay. However, a ringing bell and heavy metal melody blares through the room when you land significant wins.

Instead of spinning reels, the positions unfold as if unveiling a deck of cards. Finally, the user interface involves a few controls, making it easy to navigate.

Cluster Kingdom online slot game

Symbols and Payouts

Are you looking for more evidence of this slot’s simplicity? It only has five standard symbols! Despite their minimalist number, wait until I show you their payouts!

Before getting there, it’s worth mentioning that you should aim to land clusters of at least five matching symbols connected vertically or horizontally. Afterwards, find the corresponding symbol prizes in the dynamic paytable.

Now that you’re aware of the basic payout rules, here are the Cluster Kingdom symbols alongside their potential wins:

  • Wheat - 0.1x to 25x bet.
  • Fruit Tree - 0.2x to 50x stake.
  • Windmill - 0.3x to 100x bet.
  • House - 0.5x to 150x stake.
  • Castle - 1x to 250x bet.

If you’re lucky enough to secure wins, all the winning and their non-winning identicals will disappear from the grid. Then, new symbols fill the empty positions and any new winning combinations are paid. The tumbles continue until no more wins happen.

The slot also has a wild, which substitutes for any paying symbol. Further, there are King, Queen, and Princess symbols, which are the game’s specials.

Cluster Kingdom slot paytable

Cluster Kingdom Slot Bonus Features

The royal family’s journey through deep forests and wide valleys leads them to sticky redrops, multiplier wilds, different feature symbols, 3 bonus games, and an X-iter.

Sticky Redrops

This Cluster Kingdom feature selects a paying symbol, and all its matching paying symbols become sticky. At least one new matching symbol triggers a redrop, and the potential wins are paid when no more matching symbols appear.

The wilds and multiplier wilds persist, and the feature symbols remain inactive during the sticky redrops.

Multiplier Wilds

Besides substituting for the regular symbols, multiplier wilds add their values to corresponding winning combos and remain sticky until the end of the round. Adjacent multiplier wilds multiply their values and add the sum to one of the multiplier wilds. Then, the other becomes a regular wild. 

Feature Symbols

You’ll encounter three feature symbols, which perform individual functions when on the reels:

  • The Princess places 1-4 wilds on the reels. When the King is visible, the Princess moves a step towards the King after each win and before refill.
  • The King upgrades the lowest-value symbol adjacent to it to the highest-valued adjoining symbol.
  • The Queen swaps positions with its adjacent symbol. When the King is in view, the Queen moves a step towards the King after every win and before a refill.

Bonus, Super Bonus, Mini Bonus

The Bonus game with 6 free drops starts when the King and Queen are adjacent on the Cluster Kingdom reels. The multipliers persist when entering the bonus game and between the free drops. Further, the bonus game starts with a new set of symbols.

On the contrary, the Super Bonus starts when the King, Queen, and Princess are adjacent. It awards 6 free drops and increasing persistent multiplier wilds. Finally, the Mini Bonus begins when the King and Princess are adjacently linked. It awards 3 free drops and increasing persistent multiplier wilds.

During the Super and Mini bonus games, the increasing multiplier wilds rise by +1x when part of at least one winning combination. It’s impossible to retrigger all the bonuses.

Cluster Kingdom bonus features

Bonus Buy

Typically called X-iter across all ELK slots, this feature allows you to buy one out of five bonuses from the base game. Depending on the choice selected, the feature prices will range from 3x to 100x the stake, as seen from the X-iter menu!

Cluster Kingdom slot x-tier bonus buy mode

How to Win at Cluster Kingdom Slot

This game is undoubtedly one of ELK’s straightforward online slots. It employs 5 reels, 5 rows, and a cluster win system.

It doesn’t take much effort to acquaint yourself with the gameplay, especially after practising the demo play. You can do so from this GoodLuckMate page without spending your money!

To win, hope that a block of 5 identical yet touching symbols forms anywhere on the reels simultaneously. Then, you win a corresponding value displayed in the paytable multiplied by the current total bet!

As usual, the bets in Cluster Kingdom start from €0.20 and end at €100. Set an amount that corresponds to your budget and spin the reels once using the big circular button.

Alternatively, use the Autoplay feature to set and initiate several auto-spins. Lastly, the Menu function lets you enter the paytable, rules, and settings window options.

Cluster Kingdom slot big win

Cluster Kingdom Slot RTP & Volatility

Any veteran online slot fan would know that this game’s RTP is a typical 94%. Surprisingly, the game has medium volatility and a top prize of 10,000 times the bet!

The Conclusion

It’s not every time that players want to be treated to rocket-science-style gambling experiences. As such, ELK Studios had to make an exception with this video slot and create it into a clear-cut adventure. As mentioned, it takes after a medieval theme, and as you all know, things back then weren’t as sophisticated as the modern day.

The visuals present a classic realm without fancy buildings or cars. And I bet the scattered coins remind you of what you’re chasing in this game.

Regarding the features, the Cluster Kingdom was mainly about cluster wins, multiplier wilds, feature symbols, sticky redrops, and bonus games. So, it’s safe to conclude that, while it’s a simplistic product from ELK, it has enough action for every player.

Not to sound prejudicial, but this game is, so far, one of my favorite slot experiences. However, remember that its betting range is ideal for low-rollers and has an RTP way below the industry’s average.

Slot type
Video Slots
Cluster Pays
Slot bonus features
Tumble Feature
Sticky Respins
Multiplier Wilds
Free Spins
Bonus Buy
Slot details
Theme:
History & Legends
Provider: 
ELK Studios
RTP: 
94%
Volatility: 
Medium-High
Paylines: 
Cluster pays
Release date:
2024-10-01
Nerijus Grenda
Nerijus Grenda
Last Update: 13 Sep 2024
Nerijus Grenda is a prolific contributor to the GoodLuckMate site. With a deep understanding of the online casino industry, gained from his own experience as an avid player, he offers valuable insights on what sets the best casinos apart from the rest. As a writer, Nerijus shares his expertise through expert analysis and thoughtful commentary on various topics related to online gambling, including casino reviews, game guides and industry trends.
Emma Sjökvist This article has been Quality Assured by Emma Sjökvist
Q: 

What is the maximum multiplier available in Cluster Kingdom slot?

A: Multiplier wilds can increase by +1x with each win, with no specific maximum limit set.
Q: 

Can the bonuses be retriggered in Cluster Kingdom slot?

A: No, the bonuses cannot be retriggered.
Q: 

Does Cluster Kingdom slot have a demo version?

A: Yes, a demo version is available for players to try before playing with real money.
Q: 

How do I win in Cluster Kingdom slot?

A: Winning occurs by forming clusters of 5 or more identical symbols connected horizontally or vertically. The payout depends on the symbol and the total bet.
Q: 

What is the volatility level of Cluster Kingdom slot?

A: The slot features medium to high volatility.
Q: 

What is the RTP of Cluster Kingdom slot?

A: The game has a theoretical RTP of 94%.

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