Monty‘s Great Mistake slot: RTP and max win
Monty‘s Great Mistake is a medium-volatility slot by Duskra Games on Stake Engine. Its base game returns 96.30%, above the median Engine slot (96.02%) and higher than 61% of them. The top payout is 50,000× the bet, bigger than 97% of Engine slots. It has 3 bonus buys priced at 100× to 500× the bet; the best returns 96.30%, so each buy costs 3.70× the bet on average over the long run.
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× | 96.30% | 10,000× | 1 in 1,346,321 | 1 in 3.09 | 1 in 8.47 | 0.04× base | Simulate |
| Ante | Boosted spin | 1.50× | 96.30% | 10,000× | 1 in 607,705 | 1 in 3.06 | 1 in 13 | 0.06× base | Simulate |
| Giant | Boosted spin | 10× | 96.30% | 10,000× | 1 in 1,628,512 | – | 1 in 3.74 | 0.37× base | Simulate |
| Sip | Bonus buy | 100× | 96.30% | 25,000× | 1 in 11,111 | every round | 1 in 3.32 | 3.70× base | Simulate |
| Gulp | Bonus buy | 250× | 96.30% | 25,000× | 1 in 2,857 | – | 1 in 3.54 | 9.25× base | Simulate |
| Mayhem | Bonus buy | 500× | 96.30% | 50,000× | 1 in 1,656 | – | 1 in 4.91 | 18.50× base | Simulate |
Work out the cost of Monty‘s Great Mistake 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 | 96.300% | Active |
Frequently asked
What is the RTP of Monty‘s Great Mistake?
Base spins return 96.30% of the amount wagered over the long run, from the published outcome table for version 1. All 3 of its bonus buys return 96.30%.
What is the max win in Monty‘s Great Mistake and how likely is it?
The top payout is 50,000× the base bet. On a base spin the top payout of 10,000× lands 1 in 1,346,321 spins. In the Sip buy (100×) 25,000× lands 1 in 11,111 buys.
Does Monty‘s Great Mistake have a bonus buy, and what does it cost?
Yes, 3 buy modes. Sip: 100× the base bet, 96.30% RTP, an expected cost of 3.70× the base bet per buy. Gulp: 250× the base bet, 96.30% RTP, an expected cost of 9.25× the base bet per buy. Mayhem: 500× the base bet, 96.30% RTP, an expected cost of 18.50× the base bet per buy.
Is Monty‘s Great Mistake high or low volatility?
Medium. Its base-mode standard deviation is 16.9× 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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