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 promise a universe of possibilities, but many still stick to the standard grid. Scheduled for release by Pragmatic Play in July 2026, Cosmic Clusters! breaks from that mold. An astronaut and a cheerful alien set the scene, while coin clusters add momentum to tumbles in a way that stands out among other medium-volatility slots.
Cosmic Clusters! Slot Review: Reported Play Experience
The review reports 200 desktop demo spins of Cosmic Clusters! at a €1 stake. The bonus did not trigger naturally, so the reviewer bought Epic Free Spins for 1,000x the stake. The feature awarded 12 free spins and returned 1,304.55x. The base game was described as fast-paced: the first win came on spin 2, with further hits every 3-8 spins throughout the session. The biggest base-game win was 57.25x, around spin 150. The review considers Cosmic Clusters! a potential fit for players comfortable with medium volatility: the base game stays active, while the feature offers the higher ceiling.
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 set different RTP percentages, so check the setting before playing.
Cosmic Clusters! Theme and First Impressions
Cosmic Clusters! opts for a lighthearted look rather than an intense one. Small planets, green-faced aliens and UFOs flying across the reels set the scene. The game seems geared toward players who don’t need a story to drive the action. Its most distinctive visual touch is the money-symbol system, featuring bronze, silver and gold coins.
Unlike Elk Studios’ Pirots series, where a space-station story provides a setting for collecting birds, Cosmic Clusters! keeps its presentation deliberately light.
Top Casinos to Play Cosmic Clusters!:
How Cosmic Clusters! Plays – Base Game
Cosmic Clusters! uses a 6x6 grid. Groups of 5 or more matching symbols connected horizontally or vertically pay, then disappear. New symbols tumble in from above to fill the gaps. After each tumble, a Wild lands at random in an empty position. This Random Wild is a subtle supporting feature in the base game: it cannot guarantee a chain reaction, but may extend one when the grid is already active.
The hit frequency is 1 in 4.08, which makes long dry spells less likely, while medium volatility limits the size of swings. The Money Symbol System adds another element. Bronze coins are worth 0.5x to 2x, silver coins 3x to 8x and gold coins 10x to 1,000x. A cluster of at least five coins pays, explodes and leaves behind one coin worth the total paid by the coins in that cluster.
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 adds two more spins. Unlike the base game, Money symbols that land without forming clusters drop to the bottom of the grid and stay there, accumulating across spins. Symbols removed in a tumble but not included in a winning combination turn into Money Symbols. As the grid gradually fills, 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) – Silver and Gold coins only
- Epic Free Spins (1,000x) – Gold coins only
Ante Bet
- Ante Bet 1 (1.5x) – increases the free-spins trigger chance by 2.5x
- Ante Bet 2 (2.5x) – increases the free-spins trigger chance by 5x
What to Expect When Playing Cosmic Clusters!
Cosmic Clusters! has the core features expected of a medium-variance cluster-pays slot. The base game can produce wins, the coin system provides another route to a payout, and the review doesn’t report frequent, extended stretches with no activity.
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 session, base-game wins were generally under 20x, though occasional larger spikes occurred.
Bet Range and Who Might Enjoy It
Bets range from €0.20 to €240. The review presents Cosmic Clusters! as an option for medium-variance players who want active sessions without overspending. Players interested in bonus features may also find the feature ladder easy to follow.
Mobile Performance
The review reports that Cosmic Clusters! ran smoothly on an iPhone and an Android smartphone, without noticeable lag, and worked well in both orientations. According to the review, no dedicated app was needed for this 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 |
Among these three slots, Cosmic Clusters! is presented as the most accessible in terms of variance, though it also has the lowest ceiling. Sugar Rush 1000, another title from Pragmatic Play, has a much higher top prize, with multipliers of up to 1,024x. Its high variance means the base game can feel considerably leaner between bonus rounds.
ELK Studios’ Pirots 4 introduces the innovative CollectR mechanic, adding complexity while complementing its space setting with a more developed storyline. Of the three slots, however, it has the lowest RTP.
Verdict - Is Cosmic Clusters! Worth Playing?
Cosmic Clusters! takes Pragmatic Play’s cluster-pays format beyond the usual coin-based grid slot. When a cluster explodes, its full value transfers to the new symbol, giving the base game extra momentum—a feature not often found in medium-volatility games. Its main drawback is the 5,000x ceiling. Based on this review, Cosmic Clusters! could suit medium-volatility players looking for an active session, straightforward feature access, and a game that’s easy to learn.
Evan Carrington brings more than 12 years of experience in the iGaming industry, specializing in online casino reviews, slot game analysis, and player safety assessments. Their expertise includes casino licensing, RTP, volatility, bonus terms, and withdrawal policies. Combining hands-on reviews with independent research, Evan provides clear, evidence-based coverage to help players understand gambling platforms, their features, and possible risks.
