Jonah slot: RTP and max win
Jonah is a high-volatility slot by Venos Studio on Stake Engine, released 26 Jul 2026. Its base game returns 96.70%, above the median Engine slot (96.02%) and higher than 86% of them. The top payout is 20,000× the bet, bigger than 59% of Engine slots; from a base spin it lands about once every 222,222 spins. It has 7 bonus buys priced at 35× to 700× the bet; the best returns 96.70%, so each buy costs 3.30× the bet on average over the long run. It is the No. 5111 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 v9. "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% | 20,000× | 1 in 222,222 | 1 in 2.46 | 1 in 61 | 0.03× base | Simulate |
| Scatter Reel1 | Boosted spin | 1.50× | 96.70% | 20,000× | 1 in 148,148 | 1 in 2.47 | 1 in 53 | 0.05× base | Simulate |
| Wild 1 | Bonus buy | 35× | 96.70% | 20,000× | 1 in 4,081,640 | 1 in 1.30 | 1 in 13 | 1.16× base | Simulate |
| Bonus 8 | Bonus buy | 100× | 96.70% | 20,000× | 1 in 2,250 | – | 1 in 10 | 3.30× base | Simulate |
| Wild 2 | Bonus buy | 110× | 96.70% | 20,000× | 1 in 10,628,201 | 1 in 1.30 | 1 in 7.48 | 3.63× base | Simulate |
| Bonus 10 | Bonus buy | 250× | 96.70% | 20,000× | 1 in 1,350 | – | 1 in 8.14 | 8.25× base | Simulate |
| Mystery | Bonus buy | 300× | 96.70% | 20,000× | 1 in 1,800 | 1 in 3.33 | 1 in 4.84 | 9.90× base | Simulate |
| Wild 3 | Bonus buy | 350× | 96.70% | 20,000× | 1 in 1,357,008 | 1 in 1.30 | 1 in 5.84 | 11.55× base | Simulate |
| Bonus 12 | Bonus buy | 700× | 96.70% | 20,000× | 1 in 4,762 | – | 1 in 4.31 | 23.10× base | Simulate |
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 | |
|---|---|---|
| v9 | 96.700% | Active |
| v8 | 96.700% |
Frequently asked
What is the RTP of Jonah?
Base spins return 96.70% of the amount wagered over the long run, from the published outcome table for version 9. All 7 of its bonus buys return 96.70%.
What is the max win in Jonah and how likely is it?
The top payout is 20,000× the base bet. On a base spin it lands 1 in 222,222 spins. In the Bonus 8 buy (100×) 20,000× lands 1 in 2,250 buys.
Does Jonah have a bonus buy, and what does it cost?
Yes, 7 buy modes. Wild 1: 35× the base bet, 96.70% RTP, an expected cost of 1.16× the base bet per buy. Bonus 8: 100× the base bet, 96.70% RTP, an expected cost of 3.30× the base bet per buy. Wild 2: 110× the base bet, 96.70% RTP, an expected cost of 3.63× the base bet per buy. Bonus 10: 250× the base bet, 96.70% RTP, an expected cost of 8.25× the base bet per buy. Mystery: 300× the base bet, 96.70% RTP, an expected cost of 9.90× the base bet per buy. Wild 3: 350× the base bet, 96.70% RTP, an expected cost of 11.55× the base bet per buy. Bonus 12: 700× the base bet, 96.70% RTP, an expected cost of 23.10× the base bet per buy.
Is Jonah high or low volatility?
High. Its base-mode standard deviation is 48.7× 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.
Slots with similar math to Jonah
Matched on volatility, max win, RTP and whether there's a bonus buy. Not on theme.
EL CARTELNOCAP LABS RTP96.70%Max win20,000×Volatility
Death Notethrowaway RTP96.70%Max win20,000×Volatility
HeavenwardPrism Play RTP96.70%Max win20,000×Volatility
Jack and the Golden GooseBad Decision Gaming RTP96.70%Max win20,000×Volatility
Book of LuckKnockout Labs RTP96.70%Max win20,000×Volatility
Abyss TitheChatty Marame RTP96.70%Max win20,000×Volatility