Lord of the Underworld slot: RTP and max win
Lord of the Underworld is a low-volatility slot by WinCap Gaming on Stake Engine, released 5 Jun 2026. Its base game returns 96.49%, above the median Engine slot (96.02%) and higher than 66% of them. The top payout is 10,000× the bet; from a base spin it lands about once every 8,000,014 spins. It has 3 bonus buys priced at 100× to 250× the bet; the best returns 96.50%, so each buy costs 3.50× the bet on average over the long run. It is the No. 4833 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 v4. "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× | 96.49% | 10,000× | 1 in 8,000,014 | 1 in 2.46 | 1 in 33 | 0.04× base | Simulate |
| Scatter Boost | Boosted spin | 4.00× | 96.53% | 10,000× | 1 in 8,000,014 | 1 in 2.43 | 1 in 10 | 0.14× base | Simulate |
| Bonus | Bonus buy | 100× | 96.50% | 10,000× | 1 in 8,000,013 | – | 1 in 5.57 | 3.50× base | Simulate |
| Random Bonus | Bonus buy | 200× | 96.50% | 10,000× | 1 in 8,000,006 | – | 1 in 4.44 | 7.01× base | Simulate |
| Super Bonus | Bonus buy | 250× | 96.50% | 10,000× | 1 in 942,814 | – | 1 in 5.76 | 8.75× base | Simulate |
Work out the cost of Lord of the Underworld 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 | |
|---|---|---|
| v4 | 96.486% | Active |
Frequently asked
What is the RTP of Lord of the Underworld?
Base spins return 96.49% of the amount wagered over the long run, from the published outcome table for version 4. All 3 of its bonus buys return 96.50%.
What is the max win in Lord of the Underworld and how likely is it?
The top payout is 10,000× the base bet. On a base spin it lands 1 in 8,000,014 spins. In the Bonus buy (100×) 10,000× lands 1 in 8,000,013 buys.
Does Lord of the Underworld have a bonus buy, and what does it cost?
Yes, 3 buy modes. Bonus: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Random Bonus: 200× the base bet, 96.50% RTP, an expected cost of 7.01× the base bet per buy. Super Bonus: 250× the base bet, 96.50% RTP, an expected cost of 8.75× the base bet per buy.
Is Lord of the Underworld high or low volatility?
Low. Its base-mode standard deviation is 7.7× the bet, which puts it in the lowest 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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