Grimfurrow slot: RTP and max win
Grimfurrow is a medium-volatility slot by Lucky Foot on Stake Engine, released 30 Oct 2026. Its base game returns 96.00%, below the median Engine slot (96.02%). The top payout is 10,000× the bet; from a base spin it lands about once every 12,536,826 spins. It has 3 bonus buys priced at 100× to 400× 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. 3969 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× | 96.00% | 10,000× | 1 in 12,536,826 | 1 in 3.25 | 1 in 12 | 0.04× base | Simulate |
| Witching Hour | Boosted spin | 1.50× | 96.00% | 10,000× | 1 in 7,588,059 | 1 in 3.27 | 1 in 19 | 0.06× base | Simulate |
| Lone Relic | Bonus buy | 100× | 96.00% | 10,000× | 1 in 45,000 | 1 in 1.01 | 1 in 4.70 | 4.00× base | Simulate |
| Dark Ritual | Bonus buy | 200× | 96.00% | 10,000× | 1 in 13,159 | every round | 1 in 4.05 | 8.00× base | Simulate |
| All Hallows | Bonus buy | 400× | 96.00% | 10,000× | 1 in 4,651 | – | 1 in 3.34 | 16.00× 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 | |
|---|---|---|
| v1 | 96.000% | Active |
Frequently asked
What is the RTP of Grimfurrow?
Base spins return 96.00% of the amount wagered over the long run, from the published outcome table for version 1. All 3 of its bonus buys return 96.00%.
What is the max win in Grimfurrow and how likely is it?
The top payout is 10,000× the base bet. On a base spin it lands 1 in 12,536,826 spins. In the Lone Relic buy (100×) 10,000× lands 1 in 45,000 buys.
Does Grimfurrow have a bonus buy, and what does it cost?
Yes, 3 buy modes. Lone Relic: 100× the base bet, 96.00% RTP, an expected cost of 4.00× the base bet per buy. Dark Ritual: 200× the base bet, 96.00% RTP, an expected cost of 8.00× the base bet per buy. All Hallows: 400× the base bet, 96.00% RTP, an expected cost of 16.00× the base bet per buy.
Is Grimfurrow high or low volatility?
Medium. Its base-mode standard deviation is 16.2× 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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