Soul Duel slot: RTP and max win
Soul Duel is a medium-volatility slot by Lucid Gaming on Stake Engine, released 30 Sep 2026. The top payout is 10,000× the bet; from a base spin it lands about once every 333,333 spins. It has 10 bonus buys priced at 100× to 300× 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. 2451 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 v14. "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% | 10,000× | 1 in 333,333 | 1 in 3.17 | 1 in 8.01 | 0.04× base | Simulate |
| F Base | Base spin | 1.00× | 96.00% | 10,000× | 1 in 333,333 | 1 in 3.17 | 1 in 8.01 | 0.04× base | Simulate |
| Ante | Boosted spin | 3.00× | 96.00% | 10,000× | 1 in 83,333 | 1 in 3.02 | 1 in 20 | 0.12× base | Simulate |
| F Ante | Boosted spin | 3.00× | 96.00% | 10,000× | 1 in 83,333 | 1 in 3.02 | 1 in 20 | 0.12× base | Simulate |
| Bonus Small | Bonus buy | 100× | 96.00% | 10,000× | 1 in 6,921 | – | 1 in 3.85 | 4.00× base | Simulate |
| F Bonus Small | Bonus buy | 100× | 96.00% | 10,000× | 1 in 6,921 | – | 1 in 3.85 | 4.00× base | Simulate |
| F Guaranteed Vs | Bonus buy | 100× | 96.00% | 10,000× | 1 in 1,429 | 1 in 2.00 | 1 in 7.24 | 4.00× base | Simulate |
| Guaranteed Vs | Bonus buy | 100× | 96.00% | 10,000× | 1 in 1,429 | 1 in 2.00 | 1 in 7.24 | 4.00× base | Simulate |
| Bonus Medium | Bonus buy | 200× | 96.00% | 10,000× | 1 in 1,250 | – | 1 in 3.84 | 8.00× base | Simulate |
| F Bonus Medium | Bonus buy | 200× | 96.00% | 10,000× | 1 in 1,250 | – | 1 in 3.84 | 8.00× base | Simulate |
| F Guaranteed Vs 3 | Bonus buy | 300× | 96.00% | 10,000× | 1 in 476 | 1 in 2.00 | 1 in 4.14 | 12.00× base | Simulate |
| F Mystery Bonus | Bonus buy | 300× | 96.00% | 10,000× | 1 in 667 | 1 in 1.33 | 1 in 5.13 | 12.00× base | Simulate |
| Guaranteed Vs 3 | Bonus buy | 300× | 96.00% | 10,000× | 1 in 476 | 1 in 2.00 | 1 in 4.14 | 12.00× base | Simulate |
| Mystery Bonus | Bonus buy | 300× | 96.00% | 10,000× | 1 in 667 | 1 in 1.33 | 1 in 5.13 | 12.00× 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 | |
|---|---|---|
| v14 | 96.000% | Active |
Frequently asked
What is the RTP of Soul Duel?
Base spins return 96.00% of the amount wagered over the long run, from the published outcome table for version 14. All 10 of its bonus buys return 96.00%.
What is the max win in Soul Duel and how likely is it?
The top payout is 10,000× the base bet. On a base spin it lands 1 in 333,333 spins. In the Bonus Small buy (100×) 10,000× lands 1 in 6,921 buys.
Does Soul Duel have a bonus buy, and what does it cost?
Yes, 10 buy modes. Bonus Small: 100× the base bet, 96.00% RTP, an expected cost of 4.00× the base bet per buy. F Bonus Small: 100× the base bet, 96.00% RTP, an expected cost of 4.00× the base bet per buy. F Guaranteed Vs: 100× the base bet, 96.00% RTP, an expected cost of 4.00× the base bet per buy. Guaranteed Vs: 100× the base bet, 96.00% RTP, an expected cost of 4.00× the base bet per buy. Bonus Medium: 200× the base bet, 96.00% RTP, an expected cost of 8.00× the base bet per buy. F Bonus Medium: 200× the base bet, 96.00% RTP, an expected cost of 8.00× the base bet per buy. F Guaranteed Vs 3: 300× the base bet, 96.00% RTP, an expected cost of 12.00× the base bet per buy. F Mystery Bonus: 300× the base bet, 96.00% RTP, an expected cost of 12.00× the base bet per buy. Guaranteed Vs 3: 300× the base bet, 96.00% RTP, an expected cost of 12.00× the base bet per buy. Mystery Bonus: 300× the base bet, 96.00% RTP, an expected cost of 12.00× the base bet per buy.
Is Soul Duel high or low volatility?
Medium. Its base-mode standard deviation is 23.8× 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.