Soul Fire slot: RTP and max win
Soul Fire is a high-volatility slot by Silver Play on Stake Engine, released 11 Oct 2026. Its base game returns 93.49%, below the median Engine slot (96.02%). The top payout is 20,000× the bet, bigger than 59% of Engine slots; from a base spin it lands about once every 1,000,001 spins. It has 5 bonus buys priced at 100× to 500× the bet; the best returns 93.52%, so each buy costs 6.48× the bet on average over the long run. It is the No. 4537 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× | 93.49% | 20,000× | 1 in 1,000,001 | 1 in 2.76 | 1 in 11 | 0.07× base | Simulate |
| Hunt | Boosted spin | 3.00× | 93.52% | 20,000× | 1 in 1,000,001 | 1 in 2.27 | 1 in 10 | 0.19× base | Simulate |
| Bonus | Bonus buy | 100× | 93.52% | 20,000× | 1 in 50,000 | 1 in 1.03 | 1 in 3.72 | 6.48× base | Simulate |
| Superbonus | Bonus buy | 250× | 93.49% | 20,000× | 1 in 100,001 | every round | 1 in 7.74 | 16.28× base | Simulate |
| Degen | Bonus buy | 500× | 93.50% | 20,000× | 1 in 1,205 | 1 in 2.36 | 1 in 4.46 | 32.52× base | Simulate |
| Hidden | Bonus buy | 500× | 93.48% | 20,000× | 1 in 5,556 | 1 in 6.67 | 1 in 6.73 | 32.60× base | Simulate |
| Mystery | Bonus buy | 500× | 93.47% | 20,000× | 1 in 4,688 | 1 in 2.50 | 1 in 5.78 | 32.64× 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 | |
|---|---|---|
| v1 | 93.492% | Active |
Frequently asked
What is the RTP of Soul Fire?
Base spins return 93.49% of the amount wagered over the long run, from the published outcome table for version 1. Its bonus buys return between 93.47% and 93.52%.
What is the max win in Soul Fire and how likely is it?
The top payout is 20,000× the base bet. On a base spin it lands 1 in 1,000,001 spins. In the Bonus buy (100×) 20,000× lands 1 in 50,000 buys.
Does Soul Fire have a bonus buy, and what does it cost?
Yes, 5 buy modes. Bonus: 100× the base bet, 93.52% RTP, an expected cost of 6.48× the base bet per buy. Superbonus: 250× the base bet, 93.49% RTP, an expected cost of 16.28× the base bet per buy. Degen: 500× the base bet, 93.50% RTP, an expected cost of 32.52× the base bet per buy. Hidden: 500× the base bet, 93.48% RTP, an expected cost of 32.60× the base bet per buy. Mystery: 500× the base bet, 93.47% RTP, an expected cost of 32.64× the base bet per buy.
Is Soul Fire high or low volatility?
High. Its base-mode standard deviation is 49.1× 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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