Ultra Cluster Kingdom
- 🎰Provider
- GameArt
- 📅Release date
- 🎨Theme
- Jewels & Luxury
- 📊RTP
- 96.22%
- ⚡Volatility
- High
- 📐Grid
- Cluster Pays
- 🛒Bonus buy
- Yes
- 🎮Demo
- Yes — free
- ⚙️Mechanics
- Cluster Pays Cascading Scatter Free Spins Multiplier Buy Bonus
Ultra Cluster Kingdom slot review
A crystal grows layer by layer and never gets smaller: every new facet forms on top of the last. In GameArt's Ultra Cluster Kingdom, a kingdom of sparkling crystals, the free spins multiplier behaves the same way: it starts at x1 and never resets until the round ends, so wins can keep growing from spin to spin. The big idea: clusters on a grid of varying height and free spins where the multiplier only builds.
Crystal lattice: 7 reels with 4 to 8 rows, clusters of 5+ symbols with cascades, RTP 96.22%, high volatility. 3 or more scatters award 10 free spins with a multiplier that never resets.
How do the crystals grow?
The reel height varies from 4 to 8 rows. Wins come from clusters of 5 or more matching symbols horizontally or vertically, and cascades drop in new ones. In the base game, 3 or more scatters don't just trigger free spins, they also pay, and scatter pays are exclusive to the base game.
How does the crystal grow in free spins?
3 or more scatters trigger the bonus.
💎 Free Spins
- 3 or more scatters award 10 free spins.
- The multiplier outside the reel window starts at x1 and doesn't reset for the whole round.
- 3 or more scatters during the round add another 10 free spins.
- Free spins can be bought through the Buy Bonus.
How clear is the crystal at 96.22% RTP?
96.22% RTP and high volatility. Mechanically, the main payoff comes in free spins: the multiplier builds over the whole round, and the longer the bonus runs with retriggers, the harder the late clusters hit.
⚠️ The crystal needs time
The multiplier starts at x1 and works hardest toward the end of the round. If free spins end quickly, it doesn't have time to grow.
Flawless crystal
- The free spins multiplier never resets.
- A retrigger adds another 10 spins.
- Scatters pay on their own in the base game.
Cracked facet
- Volatility is high.
- The multiplier starts at x1.
- Scatter pays only apply in the base game.
Who should enter the crystal kingdom?
| Player profile | Verdict | Why |
|---|---|---|
| Fans of a multiplier that never resets | 🟢 Yes | In free spins, it builds until the round ends. |
| Fans of clusters on a grid of varying height | 🟢 Likely yes | 7 reels with 4 to 8 rows and cascades. |
| Players who want a calm game | 🟠 Likely no | Volatility is high. |
| Players buying the bonus | 🟡 Caution | The buy price isn't listed, and the multiplier still starts at x1. |
⚡ Should you play Ultra Cluster Kingdom?
Bear in mind first: volatility is high, and the free spins multiplier starts at x1 and only shows its strength in a long round. If that doesn't scare you, Ultra Cluster Kingdom offers clusters on a 4-to-8-row grid, scatter pays in the base game, free spins with a multiplier that never resets, a 10-spin retrigger and a bonus buy. A crystal grows slowly, but it never shrinks.
Game screenshots
Questions and answers about the Ultra Cluster Kingdom slot
1
How many matching crystals do you need for a win in Ultra Cluster Kingdom?
Five or more, connected horizontally or vertically. The crystals that formed the win disappear, new ones drop from above, and the next cluster can form from them.
2
How many rows are there on the Ultra Cluster Kingdom grid?
From four to eight, across seven reels. That's why the height of the grid and the number of symbols on it change from spin to spin.
3
How many free spins do Scatters award in Ultra Cluster Kingdom?
Three or more Scatters unlock 10 free spins. If the same number lands during the round, 10 more are added.
4
Where is the multiplier in Ultra Cluster Kingdom?
Outside the grid, next to the reels. During free spins, it starts at x1 and doesn't reset until the end of the round, so wins can grow from spin to spin.
5
Do Scatters pay during free spins in Ultra Cluster Kingdom?
No, separate Scatter payouts only exist in the base game. During free spins, Scatters only add more spins.
6
Can you get straight into free spins in Ultra Cluster Kingdom?
Yes, via Buy Bonus: the purchase triggers the free spins round right away. The slot's volatility is high.
7
How is Ultra Cluster Kingdom similar to Slasher & Berry?
In its seven-reel grid with 4 to 8 rows, clusters of five or more symbols and 10 free spins with a multiplier that doesn't reset. Ultra Cluster Kingdom came out a year earlier, in September 2024, and it has no symbol slicing mode.
