Cosmic Clusters!
Certified by the HGC (HGC-037189-TM)
Data source: iGaming Tools (17 July 2026)
Free play · rotates to fullscreen
Demos are only available to people aged 21 and over.
Demo provided by the game studio via iGaming Tools. Free play only, no real money.
How it playsHow Cosmic Clusters! plays
This page is compiled from the provider’s published data and the HGC register. It is not a review: we have not tested Cosmic Clusters! yet, so it has no score.
Cosmic Clusters! is a Pragmatic Play slot with 6 reels and 6 rows, paying for clusters instead of lines. It was released in July 2026. It is themed around space.
It is certified by the HGC for online play in Greece, certificate HGC-037189-TM; last updated in the register on 14 July 2026.
Cosmic Clusters! combines free spins, cascades, cluster pays and bonus buy. 18 other slots of the 593 with data in our catalogue have exactly the same combination.
RTP 96.45%: what it means
With an RTP of 96.45%, the house edge on Cosmic Clusters! is 3.55%: of every €100 staked in total, on average €96.45 comes back as wins over the long run. RTP is an average over millions of spins. A single session can end very differently — and in the long run the casino wins.
That is below the median RTP (96.5%) of the 593 slots with data in our catalogue — higher than 37% of them. Across the 507 Pragmatic Play slots we track, the median RTP is 96.5%. 96.45% is the default value published by Pragmatic Play; a casino may offer Cosmic Clusters! in a version with a different RTP, so check the game’s info screen.
Volatility: medium
The provider rates the volatility of Cosmic Clusters! as “medium”. A balance between frequent small wins and rarer bigger ones. The balance swings noticeably, without the extremes of the most volatile games.
Of the other 506 Pragmatic Play slots in our catalogue, 58 share this level with Cosmic Clusters!.
Max win: 5,000×
The top prize on Cosmic Clusters! is 5,000× the stake, i.e. €5,000 at a €1 stake. It is a ceiling reached extremely rarely — not a win anyone should expect. That is below the median (7,500×) of the 544 slots in our catalogue that publish a max win; 296 are higher.
Bet range
The provider does not publish a bet range for Cosmic Clusters! in our data source; the minimum and maximum stake are shown in the game’s info screen at the casino.
Bonus features
Free spins
Usually triggered by scatter symbols, they give you spins you are not charged for; their wins are credited to your balance as normal. In Cosmic Clusters! it comes together with cascades, cluster pays and bonus buy. Found in 489 of the 593 slots with data in our catalogue and in 416 of Pragmatic Play’s 507.
Cascades
After a win the winning symbols are removed and new ones drop into place, so one paid spin can produce several wins in a row. In Cosmic Clusters! it comes together with free spins, cluster pays and bonus buy. Found in 169 of the 593 slots with data in our catalogue and in 148 of Pragmatic Play’s 507.
Cluster pays
Groups of matching symbols that touch each other win, instead of symbols on paylines. In Cosmic Clusters! it comes together with free spins, cascades and bonus buy. Found in 66 of the 593 slots with data in our catalogue and in 53 of Pragmatic Play’s 507.
Bonus buy
The bonus round can be bought outright at a price that is a multiple of the stake — often tens or hundreds of times. That means much more money is staked in a short time; whether it is offered depends on the casino. In Cosmic Clusters! it comes together with free spins, cascades and cluster pays. Found in 450 of the 593 slots with data in our catalogue and in 394 of Pragmatic Play’s 507.
Frequently asked questions
What is the RTP of Cosmic Clusters!?
The RTP of Cosmic Clusters! is 96.45%, according to the provider (Pragmatic Play). That is a house edge of 3.55% over the long run; a single session can differ a lot.
Is Cosmic Clusters! certified in Greece?
Yes. The HGC has certified Cosmic Clusters! for online play, certificate HGC-037189-TM (last updated in the register on 14 July 2026). You can check it with the “Is this slot certified in Greece?” search on frut.gr or in the HGC’s public register.
What is the max win on Cosmic Clusters!?
5,000× the stake, according to the provider. It is a theoretical ceiling that is reached very rarely.
How volatile is Cosmic Clusters!?
“Medium”, according to the provider. A balance between frequent small wins and rarer bigger ones.
What bonus features does Cosmic Clusters! have?
According to the provider: free spins, cascades, cluster pays and bonus buy.
Can I play Cosmic Clusters! for free?
Yes, in the demo on this page, with play money and only after confirming you are 21+.
Similar slots
Cosmic Clusters! compared
The most closely related slots in our catalogue, by provider, volatility, theme and features:
| Slot | RTP | Volatility | Max win | Grid |
|---|---|---|---|---|
| Cosmic Clusters! | 96.45% | medium | 5,000× | 6×6 |
| Gravity Bonanza | 96.09% | high | 10,000× | 7×7 |
| Hell Butcher | 96.55% | medium | 20,000× | 6×6 |
| Death Dominion | 96.54% | medium | 20,000× | 6×5 |
Compared with Gravity Bonanza (Pragmatic Play), Cosmic Clusters! has an RTP 0.36 points higher, lower volatility and half the max win. Both have free spins, cascades, cluster pays and bonus buy. Only Gravity Bonanza has multipliers.
Compared with Hell Butcher (Pragmatic Play), Cosmic Clusters! has an RTP 0.1 points lower, the same volatility and a max win 4 times lower. Both have free spins, cascades, cluster pays and bonus buy. Only Hell Butcher has multipliers.
Compared with Death Dominion (Pragmatic Play), Cosmic Clusters! has an RTP 0.09 points lower, the same volatility and a max win 4 times lower. Both have free spins, cascades and bonus buy. Only Death Dominion has multipliers. Only Cosmic Clusters! has cluster pays.