Player return
96.45%
Minimum bet
0.2
Slot category
Video Slots
Volatility
Medium
Reel count
6
Progressive jackpot
No
Popularity
Maximum bet
240
Slot provider
Pragmatic Play
Bonus features
Yes
Payline system
Cluster pays
Theme
Space
Cosmic Clusters! online slot game guide
Space-themed slots often suggest limitless possibilities, yet settle into another standard grid. Due for release from Pragmatic Play in July 2026, Cosmic Clusters! moves beyond that pattern. Its astronaut and cheerful alien provide the setting, while coin clustering adds momentum to every tumble that is less common in other medium-volatility slots.
Cosmic Clusters! Slot Review: Reported Experience
The original review records 200 spins of Cosmic Clusters! at €1 stake on desktop in demo mode. The bonus did not trigger organically. The reviewer purchased Epic Free Spins at 1,000x the stake; those awarded 12 free spins and returned 1,304.55x. The base game was described as fast, with the first win on spin 2 and further hits every 3-8 spins throughout. Its largest base game win was 57.25x around spin 150. Cosmic Clusters! was considered suitable for players comfortable with medium volatility: the base game stays active, while the higher ceiling sits in the feature.
Reported Testing Conditions
| Device | MacBook (Desktop) |
|---|---|
| Browser | Google Chrome |
| Date tested | 21/06/2026 |
| Stake per spin | €1.00 (Fun mode) |
| Spins tested | 200 (manual) |
| Bonus buy | Yes, Epic Free Spins at 1,000x the stake |
Cosmic Clusters! Slot Overview
| Detail | Info |
|---|---|
| Provider | Pragmatic Play |
| Release Date | July 16, 2026 |
| RTP | 96.45% in the base game |
| Volatility | Medium |
| Max Win | 5,000x |
| Max Win Probability | 1 in 3,162,555 |
| Grid | 6x6 |
| Win Mechanic | Cluster pays (min. 5 connected) |
| Min Bet | €0.20 |
| Max Bet | €240 |
- Operators can adjust the RTP percentage, so check the setting before playing.
Cosmic Clusters! Theme and First Impressions

Cosmic Clusters! presents a cheerful rather than intense visual style. Planetoids, green-faced aliens and UFOs crossing the reels create the backdrop. The game appears aimed at players who do not need a narrative to drive the action. Its stronger visual idea is the money-symbol system, which uses bronze, silver and gold coins.
Unlike the Pirots series from Elk Studios, where a space-station story supports the bird-collecting system, Cosmic Clusters! deliberately keeps its presentation lighter.
Top Casinos to Play Cosmic Clusters!:
How Cosmic Clusters! Plays – Base Game
Cosmic Clusters! runs on a 6x6 grid. Groups of 5+ matching symbols connected horizontally or vertically pay, then vanish. New symbols drop from above to fill the spaces in a tumble mechanic. After every tumble, a wild randomly lands in an open position. The Random Wild is the base game's subtle supporting mechanism: it cannot guarantee a chain, but can extend one when the grid is already active.
The hit frequency is 1 in 4.08, so cold periods are less likely to become lengthy, while medium volatility limits the size of the swings. The Money Symbol System adds another layer. Bronze coins carry 0.5x to 2x values, silver coins range from 3x to 8x, and gold coins from 10x to 1,000x. A cluster containing at least five coins pays, explodes and leaves one coin with a value equal to the total paid by the coins before it.
Cosmic Clusters! Symbol Paytable Based on 1$ Bet:

Cosmic Clusters! Bonus Features
Free Spins

Landing 3, 4, 5, or 6 Scatters on the grid awards 12, 15, 18, or 21 FS, respectively. During the round, landing 2+ Scatters grants two more spins. Unlike the base game, Money symbols that land without forming clusters drop to the bottom of the grid and remain there, building up across spins. Symbols removed during a tumble but excluded from the winning combination turn into Money Symbols. As the grid fills gradually, symbols created on earlier spins become coins that can be collected on later spins.

Buy Feature

- Free Spins (100x) – includes all Money symbol tiers
- Super Free Spins (300x) – limited to Silver and Gold coins
- Epic Free Spins (1,000x) – limited to Gold coins

Ante Bet

- Ante Bet 1 (1.5x) – gives a 2.5x higher free spins trigger chance
- Ante Bet 2 (2.5x) – gives a 5x higher free spins trigger chance

What to Expect When Playing Cosmic Clusters!

Cosmic Clusters! delivers the core features expected from a medium-variance cluster pays slot. The base game can contribute, the coin system creates a second route to a win, and the review does not describe sessions as regularly suffering from long dead stretches.
Win Potential and Volatility
The stated maximum win is 5,000x the bet, with a probability of 1 in 3,162,555. In the reviewed results, base game wins generally remained below 20x, although occasional spikes occurred.
Bet Range and Who It Suits
The bet range is €0.20-€240. The review positions Cosmic Clusters! towards medium-variance players who want active sessions without overspending. Bonus hunters may also find the feature ladder straightforward.
Mobile Performance
The original review reports smooth mobile performance for Cosmic Clusters! on an iPhone and an Android smartphone, with no noticeable lag. It also reports that the game worked well in both orientations. Dedicated apps were not needed for that reported experience.
How Cosmic Clusters! Compares
| Slot | Cosmic Clusters! | Sugar Rush 1000 | Pirots 4 |
|---|---|---|---|
| Provider | Pragmatic Play | Pragmatic Play | ELK Studios |
| RTP | 96.45% | 96.53% | 94% |
| Volatility | Medium | High | High (7/10) |
| Max Win | 5,000x | 25,000x | 10,000x |
| Buy Feature | Yes (100x-1,000x) | Yes (100x-500x) | Yes (3x-500x) |
| Min Bet | €0.20 | €0.20 | €0.20 |
| Key Feature | Money coins + tumble + Random Wild | Position multipliers up to 1,024x | Bird CollectR + expanding grid |
Of these three slots, Cosmic Clusters! is presented as the most accessible for variance, but it also has the lowest ceiling. Sugar Rush 1000, also from Pragmatic Play, offers a considerably higher top prize, with multipliers reaching 1,024x. Its high variance, however, leaves the base game much leaner between bonus rounds.
Pirots 4 by ELK Studios brings in the innovative CollectR mechanic, adding complexity while matching the space setting with more developed plot lines. Among the three slots, however, it has the lowest RTP.
Verdict - Is Cosmic Clusters! Worth Playing?
Cosmic Clusters! appears to use Pragmatic Play's cluster pays format as more than a standard coin-based grid slot. When a cluster explodes, transferring its full value to the new symbol gives the base game extra momentum, a feature not often associated with mid-volatility games. The main limitation is its 5,000x ceiling. Based on the review, Cosmic Clusters! may suit medium-volatility players seeking an active session and direct feature access without a steep learning curve.
With 12+ years of experience in the iGaming industry, Evan specializes in reviewing online casinos, analyzing slot games, and evaluating player safety. Their expertise covers casino licensing, RTP, volatility, bonus conditions, and withdrawal policies. Through hands-on testing and independent research, Evan delivers transparent, fact-based reviews to help players better understand gambling platforms, their features, and potential risks.




