Moon Clusters slot: RTP and max win
Moon Clusters is a low-volatility slot by Scatterbrain Games on Stake Engine, released 1 Aug 2026. Its base game returns 95.05%, below the median Engine slot (96.02%). The top payout is 15,000× the bet, bigger than 50% of Engine slots; from a base spin it lands about once every 3,750,002 spins. It has 4 bonus buys priced at 150× to 400× the bet; the best returns 95.05%, so each buy costs 7.42× the bet on average over the long run. It is the No. 2753 most played Engine slot over the last 30 days.
Every mode, side by side
Costs are multiples of the base bet. Odds come from the published outcome table for v11. "Returns the cost" counts rounds that pay back at least what the mode cost. Expected cost is cost × (1 − RTP): the average amount lost per round over the long run.
| Mode | Type | Cost | RTP | Max win | Max win odds | Pays anything | Returns the cost | Expected cost per round | |
|---|---|---|---|---|---|---|---|---|---|
| Base | Base spin | 1.00× | 95.05% | 15,000× | 1 in 3,750,002 | 1 in 3.90 | 1 in 8.79 | 0.05× base | Simulate |
| Ante | Boosted spin | 1.50× | 95.05% | 15,000× | 1 in 5,000,004 | 1 in 5.35 | 1 in 64 | 0.07× base | Simulate |
| Super Ante | Boosted spin | 3.00× | 95.05% | 15,000× | 1 in 2,500,000 | 1 in 5.99 | 1 in 38 | 0.15× base | Simulate |
| Bonus | Bonus buy | 150× | 95.05% | 15,000× | 1 in 79,760 | – | 1 in 3.36 | 7.42× base | Simulate |
| Gold Charge | Bonus buy | 150× | 95.05% | 15,000× | 1 in 80,000 | – | 1 in 6.25 | 7.42× base | Simulate |
| Random | Bonus buy | 300× | 95.05% | 15,000× | 1 in 39,880 | – | 1 in 3.36 | 14.85× base | Simulate |
| Super | Bonus buy | 400× | 95.05% | 15,000× | 1 in 29,911 | – | 1 in 3.36 | 19.80× base | Simulate |
Work out the cost of Moon Clusters bonus buys at your bet size
Version history
Base-mode RTP per published math version. Older versions stay public in the fairness API, so changes can be checked.
| Version | Base RTP | |
|---|---|---|
| v11 | 95.050% | Active |
Frequently asked
What is the RTP of Moon Clusters?
Base spins return 95.05% of the amount wagered over the long run, from the published outcome table for version 11. All 4 of its bonus buys return 95.05%.
What is the max win in Moon Clusters and how likely is it?
The top payout is 15,000× the base bet. On a base spin it lands 1 in 3,750,002 spins. In the Bonus buy (150×) 15,000× lands 1 in 79,760 buys.
Does Moon Clusters have a bonus buy, and what does it cost?
Yes, 4 buy modes. Bonus: 150× the base bet, 95.05% RTP, an expected cost of 7.42× the base bet per buy. Gold Charge: 150× the base bet, 95.05% RTP, an expected cost of 7.42× the base bet per buy. Random: 300× the base bet, 95.05% RTP, an expected cost of 14.85× the base bet per buy. Super: 400× the base bet, 95.05% RTP, an expected cost of 19.80× the base bet per buy.
Is Moon Clusters high or low volatility?
Low. Its base-mode standard deviation is 12.7× the bet, which puts it in the lowest third of Engine games. What volatility means.
Can I check that a result was fair?
Yes. Engine games use provably fair seeds. Once your server seed is revealed you can replay any round against the published outcome table. See how to verify a result.
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