Royal Riches slot: RTP and max win
Royal Riches is a high-volatility slot by Black Coffee Studios on Stake Engine, released 6 Jun 2026. Its base game returns 96.50%, above the median Engine slot (96.02%) and higher than 66% of them. The top payout is 50,000× the bet, bigger than 97% of Engine slots; from a base spin it lands about once every 2,499,992 spins. It has 5 bonus buys priced at 75× to 1,000× the bet; the best returns 96.50%, so each buy costs 2.63× the bet on average over the long run. It is the No. 993 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 v17. "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× | 96.50% | 50,000× | 1 in 2,499,992 | 1 in 4.00 | 1 in 8.56 | 0.04× base | Simulate |
| Ante | Boosted spin | 3.00× | 96.50% | 50,000× | 1 in 2,000,084 | 1 in 3.79 | 1 in 36 | 0.11× base | Simulate |
| Treasure Spin 1 | Boosted spin | 10× | 96.50% | 50,000× | 1 in 43,072 | 1 in 2.38 | 1 in 30 | 0.35× base | Simulate |
| Treasure Spin 2 | Bonus buy | 75× | 96.50% | 50,000× | 1 in 50,000 | 1 in 1.41 | 1 in 4.11 | 2.63× base | Simulate |
| Bonus Regular | Bonus buy | 100× | 96.50% | 50,000× | 1 in 40,000 | 1 in 1.01 | 1 in 4.20 | 3.50× base | Simulate |
| Bonus Super | Bonus buy | 250× | 96.50% | 50,000× | 1 in 18,404 | every round | 1 in 4.02 | 8.75× base | Simulate |
| Xpull Spin | Bonus buy | 250× | 96.50% | 50,000× | 1 in 18,404 | 1 in 1.39 | 1 in 3.75 | 8.75× base | Simulate |
| Bonus Ror | Bonus buy | 1,000× | 96.50% | 50,000× | 1 in 750 | – | 1 in 4.98 | 35.00× base | Simulate |
Work out the cost of Royal Riches 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 | |
|---|---|---|
| v17 | 96.500% | Active |
| v16 | 96.500% | |
| v15 | 96.500% |
Frequently asked
What is the RTP of Royal Riches?
Base spins return 96.50% of the amount wagered over the long run, from the published outcome table for version 17. All 5 of its bonus buys return 96.50%.
What is the max win in Royal Riches and how likely is it?
The top payout is 50,000× the base bet. On a base spin it lands 1 in 2,499,992 spins. In the Treasure Spin 2 buy (75×) 50,000× lands 1 in 50,000 buys.
Does Royal Riches have a bonus buy, and what does it cost?
Yes, 5 buy modes. Treasure Spin 2: 75× the base bet, 96.50% RTP, an expected cost of 2.63× the base bet per buy. Bonus Regular: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Bonus Super: 250× the base bet, 96.50% RTP, an expected cost of 8.75× the base bet per buy. Xpull Spin: 250× the base bet, 96.50% RTP, an expected cost of 8.75× the base bet per buy. Bonus Ror: 1,000× the base bet, 96.50% RTP, an expected cost of 35.00× the base bet per buy.
Is Royal Riches high or low volatility?
High. Its base-mode standard deviation is 48.1× 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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