Crown of casinos slot: RTP and max win
Crown of casinos is a medium-volatility slot by JadeBird on Stake Engine, released 30 Oct 2026. Its base game returns 96.00%, below the median Engine slot (96.02%). The top payout is 100,000× the bet, bigger than 100% of Engine slots. It has 4 bonus buys priced at 100× to 1,000× the bet; the best returns 96.00%, so each buy costs 4.00× the bet on average over the long run. It is the No. 1250 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 v1. "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× | 96.00% | 50,000× | 1 in 500,000,000 | 1 in 3.33 | 1 in 667 | 0.04× base | Simulate |
| Casino Royale | Bonus buy | 100× | 96.00% | 10,000× | 1 in 5,000,000 | 1 in 1.14 | 1 in 133 | 4.00× base | Simulate |
| Tyrs Fortune | Bonus buy | 250× | 96.00% | 25,000× | 1 in 5,000,000 | 1 in 1.14 | 1 in 133 | 10.00× base | Simulate |
| Rudinas Riches | Bonus buy | 500× | 96.00% | 50,000× | 1 in 5,000,000 | 1 in 1.14 | 1 in 100 | 20.00× base | Simulate |
| Crown Ascension | Bonus buy | 1,000× | 96.00% | 100,000× | 1 in 5,000,000 | 1 in 1.64 | 1 in 20 | 40.00× base | Simulate |
Work out the cost of Crown of casinos 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 | |
|---|---|---|
| v1 | 96.000% | Active |
Frequently asked
What is the RTP of Crown of casinos?
Base spins return 96.00% of the amount wagered over the long run, from the published outcome table for version 1. All 4 of its bonus buys return 96.00%.
What is the max win in Crown of casinos and how likely is it?
The top payout is 100,000× the base bet. On a base spin the top payout of 50,000× lands 1 in 500,000,000 spins. In the Casino Royale buy (100×) 10,000× lands 1 in 5,000,000 buys.
Does Crown of casinos have a bonus buy, and what does it cost?
Yes, 4 buy modes. Casino Royale: 100× the base bet, 96.00% RTP, an expected cost of 4.00× the base bet per buy. Tyrs Fortune: 250× the base bet, 96.00% RTP, an expected cost of 10.00× the base bet per buy. Rudinas Riches: 500× the base bet, 96.00% RTP, an expected cost of 20.00× the base bet per buy. Crown Ascension: 1,000× the base bet, 96.00% RTP, an expected cost of 40.00× the base bet per buy.
Is Crown of casinos high or low volatility?
Medium. Its base-mode standard deviation is 22.6× the bet, which puts it in the middle 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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