Grimflame slot: RTP and max win
Grimflame is a high-volatility slot by Syndicate on Stake Engine, released 24 Jul 2026. Its base game returns 96.00%, below the median Engine slot (96.02%). The top payout is 30,000× the bet, bigger than 83% of Engine slots; from a base spin it lands about once every 4,800,000 spins. It has 4 bonus buys priced at 200× to 1,000× the bet; the best returns 96.01%, so each buy costs 24× the bet on average over the long run. It is the No. 4961 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 v3. "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% | 30,000× | 1 in 4,800,000 | 1 in 4.44 | 1 in 14 | 0.04× base | Simulate |
| Boosted | Boosted spin | 2.00× | 96.00% | 30,000× | 1 in 3,214,286 | 1 in 4.25 | 1 in 13 | 0.08× base | Simulate |
| Specialspin | Bonus buy | 200× | 96.00% | 30,000× | 1 in 5,000 | – | 1 in 5.09 | 8.00× base | Simulate |
| 4scatter | Bonus buy | 250× | 96.00% | 30,000× | 1 in 8,000 | – | 1 in 4.83 | 10.00× base | Simulate |
| 5scatter | Bonus buy | 600× | 96.01% | 30,000× | 1 in 2,500 | – | 1 in 4.58 | 23.96× base | Simulate |
| Specialspin1000 | Bonus buy | 1,000× | 96.00% | 30,000× | 1 in 5,000 | – | 1 in 4.40 | 40.00× 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 | |
|---|---|---|
| v3 | 96.004% | Active |
Frequently asked
What is the RTP of Grimflame?
Base spins return 96.00% of the amount wagered over the long run, from the published outcome table for version 3. Its bonus buys return between 96.00% and 96.01%.
What is the max win in Grimflame and how likely is it?
The top payout is 30,000× the base bet. On a base spin it lands 1 in 4,800,000 spins. In the 5scatter buy (600×) 30,000× lands 1 in 2,500 buys.
Does Grimflame have a bonus buy, and what does it cost?
Yes, 4 buy modes. Specialspin: 200× the base bet, 96.00% RTP, an expected cost of 8.00× the base bet per buy. 4scatter: 250× the base bet, 96.00% RTP, an expected cost of 10.00× the base bet per buy. 5scatter: 600× the base bet, 96.01% RTP, an expected cost of 23.96× the base bet per buy. Specialspin1000: 1,000× the base bet, 96.00% RTP, an expected cost of 40.00× the base bet per buy.
Is Grimflame high or low volatility?
High. Its base-mode standard deviation is 43.4× 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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