Sunken Pearl slot: RTP and max win
Sunken Pearl is a high-volatility slot by Shortcut Gaming on Stake Engine, released 15 Sep 2026. Its base game returns 96.70%, above the median Engine slot (96.02%) and higher than 85% of them. The top payout is 30,000× the bet, bigger than 83% of Engine slots; from a base spin it lands about once every 1,500,000 spins. It has 5 bonus buys priced at 40× to 200× the bet; the best returns 96.70%, so each buy costs 1.32× the bet on average over the long run. It is the No. 2705 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 v2. "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× | 96.70% | 30,000× | 1 in 1,500,000 | 1 in 2.08 | 1 in 32 | 0.03× base | Simulate |
| Deep Current | Boosted spin | 3.00× | 96.70% | 30,000× | 1 in 1,500,000 | 1 in 2.10 | 1 in 12 | 0.10× base | Simulate |
| Abyss Current | Boosted spin | 6.00× | 96.70% | 30,000× | 1 in 1,500,000 | 1 in 1.61 | 1 in 5.92 | 0.20× base | Simulate |
| Pearl Rush | Bonus buy | 40× | 96.70% | 30,000× | 1 in 1,500,000 | – | 1 in 3.09 | 1.32× base | Simulate |
| Pearl Bonus | Bonus buy | 60× | 96.70% | 30,000× | 1 in 1,500,000 | – | 1 in 3.81 | 1.98× base | Simulate |
| Mystery | Bonus buy | 100× | 96.70% | 30,000× | 1 in 1,500,000 | – | 1 in 2.82 | 3.30× base | Simulate |
| Tidal Storm | Bonus buy | 150× | 96.70% | 30,000× | 1 in 1,500,000 | – | 1 in 3.33 | 4.95× base | Simulate |
| Mystery Royal | Bonus buy | 200× | 96.70% | 30,000× | 1 in 1,500,000 | – | 1 in 3.53 | 6.60× base | Simulate |
Work out the cost of Sunken Pearl 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 | |
|---|---|---|
| v2 | 96.699% | Active |
Frequently asked
What is the RTP of Sunken Pearl?
Base spins return 96.70% of the amount wagered over the long run, from the published outcome table for version 2. All 5 of its bonus buys return 96.70%.
What is the max win in Sunken Pearl and how likely is it?
The top payout is 30,000× the base bet. On a base spin it lands 1 in 1,500,000 spins. In the Pearl Rush buy (40×) 30,000× lands 1 in 1,500,000 buys.
Does Sunken Pearl have a bonus buy, and what does it cost?
Yes, 5 buy modes. Pearl Rush: 40× the base bet, 96.70% RTP, an expected cost of 1.32× the base bet per buy. Pearl Bonus: 60× the base bet, 96.70% RTP, an expected cost of 1.98× the base bet per buy. Mystery: 100× the base bet, 96.70% RTP, an expected cost of 3.30× the base bet per buy. Tidal Storm: 150× the base bet, 96.70% RTP, an expected cost of 4.95× the base bet per buy. Mystery Royal: 200× the base bet, 96.70% RTP, an expected cost of 6.60× the base bet per buy.
Is Sunken Pearl high or low volatility?
High. Its base-mode standard deviation is 25.6× the bet, which puts it in the highest 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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