Free slot demo · independent review
Cosmic Clusters!
Cosmic Clusters is a 6×6 tumble slot where one winning group can remove every copy of that symbol, add a random Wild and seed the board with money values that later combine into their own clusters.
18+ · free play · no account or deposit
Facts checked by SlotsCollector EditorialHow we check games
60-second guide
What matters before you play
Free play
Try Cosmic Clusters! for free
Use the demo to see whether the pace and bonus features suit you. It opens here and costs nothing.
No sign-up · no deposit · full screen available
Use the demo well
Three things to watch
- Can you read why each cluster has paid?
Trace one group of at least five matching symbols, then watch every other copy of that symbol disappear. The extra removals matter because they can become money positions.
- Do money values create a satisfying second layer?
Wait for five or more bronze, silver or gold money symbols to connect. Their displayed values are added, then a replacement money symbol can carry that paid total forward.
- Does the bonus board remain easy to follow?
During Free Spins, unused money symbols drop down and stay until they join a win. Test whether that persistence feels like useful progress or simply visual congestion.
Our take
A cluster slot for players who enjoy board state
Cosmic Clusters has more cause and effect than its cheerful space theme suggests. A normal win does not only clear the paying group: every instance of the same symbol vanishes, a Wild enters a random position and some vacated spaces may turn into money symbols. When at least five money symbols of one metal connect, their figures are summed and paid. A new money symbol carrying that total can then return to the grid, giving a successful sequence a sense of stored momentum. Three to six Scatters award 12 to 21 Free Spins, while two Scatters during the round add two more. The bonus changes the board further by letting non-winning money symbols sink and remain available, so later clusters can be built from earlier spins. That is the game's best idea and its main drawback. Players who like tracking a developing board have genuine information to watch. Players who want instant clarity may find the 6×6 mix of planets, metals, values and Wilds tiring. Medium volatility and a 5,000x maximum do not make short sessions predictable. Use the demo to judge visual comprehension first: if you cannot explain why a money amount survived or disappeared, the feature will feel noisier rather than deeper.
How it plays
What happens when you spin
The important sequence is cluster win, full-symbol removal, random Wild, possible money creation, then refill. Reading that order turns the busy animation into a logical board game.
Six-by-six cluster pays
Five or more matching regular symbols touching horizontally or vertically form a win. Tumbles replace removed pieces without charging another stake, so one paid spin can produce several consecutive results.
Whole-symbol removal and Wild placement
When a regular cluster wins, other copies of that same symbol also leave the board. A Wild is placed in a random cell before the refill, potentially helping a different colour connect on the next tumble.
Bronze, silver and gold money groups
A cluster of five or more matching metal money symbols pays the sum of their printed values. After it clears, one fresh money symbol can be assigned the amount just awarded.
Persistent-money Free Spins
Three to six Scatters provide 12, 15, 18 or 21 spins. Money symbols not used in a cluster move towards the bottom and remain until they pay or the bonus finishes.
What makes it different
A paid money cluster can leave value behind
The replacement money symbol is the detail worth testing. A cluster can pay its combined figures, disappear, and then return part of that history as one larger displayed amount. During Free Spins, persistent unused money symbols make that new value easier to connect later, but no displayed number is guaranteed to be collected. Watch the distinction between value shown and value actually included in a qualifying cluster. It is a better measure of the game than the 5,000x ceiling because it reveals whether the accumulation loop produces understandable anticipation on ordinary sessions.
Inside the game
See Cosmic Clusters! in action
Full, uncropped game views selected to show the reels, controls and features in context.
Is it for you?
Does Cosmic Clusters! match your style?
Use these points to decide whether the game's pace and features match what you enjoy.
You may like it if...
- Cluster players who enjoy tracking a changing board
- Fans of persistent cash symbols during bonus play
- Players who prefer medium volatility to extreme swings
It may not suit you if...
- The 6×6 display carries several symbol states at once
- A printed money value still needs a matching cluster
- Random Wild placement gives you little strategic control
Compare your options
What should you try next?
Choose by the way the game plays, not just by theme or maximum win.
Prefer one multiplier trail to a busy grid?
Out of the Woods Out of the Woods concentrates attention on a descending Wild stack and its growing values, rather than asking you to follow clusters, cash amounts and a newly placed Wild together.
Want cluster wins with visible marked areas?
Candy Rush Candy Rush uses multiplier patches that remain in position during a tumble chain, giving its large board a clearer spatial target than Cosmic Clusters' moving money symbols.
Quick answers
Cosmic Clusters! FAQ
Game settings can vary between casinos. Check the information screen in the version you are playing.
Can I play Cosmic Clusters free here?
Yes. The official virtual-credit game runs inside this page, so the cluster sequence and Free Spins can be tested without registration or a deposit.
How do money symbols pay in Cosmic Clusters?
At least five matching bronze, silver or gold money symbols must connect as a cluster. Their visible values are then added together and awarded.
What RTP and maximum win are reviewed?
The reviewed version lists 96.45% RTP, medium volatility and a maximum win of 5,000x. A casino may offer a different approved configuration.
Game facts
Cosmic Clusters! numbers and features
These are the game settings we could confirm. A casino may use a different version, so check the in-game information before playing for money.
Payouts & risk
- RTP
- 96.45%
- Volatility
- Medium
- Maximum win
- 5,000×
Reels & wins
- Reel layout
- 6×6
- Payout system
- Cluster Pays
Bonus features
- Features
- Money clusters that recycle their value
- Free spins
- Yes
- Bonus buy
- Yes
Release & devices
- Release date
- 8 Jul 2026
- Platforms
- Desktop, Mobile
- Theme
- Coins, Gems, Universe, Aliens
More to play
More games from Pragmatic Play
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