Graveyard Jazz slot: RTP and max win
Graveyard Jazz is a high-volatility slot by Karma on Stake Engine, released 24 Oct 2026. Its base game returns 96.00%, below the median Engine slot (96.02%). The top payout is 25,000× the bet, bigger than 81% of Engine slots; from a base spin it lands about once every 1,990,031 spins. It has 2 bonus buys priced at 100× to 300× the bet; the best returns 96.00%, so each buy costs 12× the bet on average over the long run. It is the No. 3750 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% | 25,000× | 1 in 1,990,031 | 1 in 2.61 | 1 in 8.96 | 0.04× base | Simulate |
| Scatter Boost | Boosted spin | 2.00× | 96.00% | 25,000× | 1 in 1,246,508 | 1 in 2.61 | 1 in 14 | 0.08× base | Simulate |
| Power Boost | Boosted spin | 5.00× | 96.00% | 25,000× | 1 in 1,243,734 | 1 in 1.51 | 1 in 5.34 | 0.20× base | Simulate |
| Free Spins | Bonus buy | 100× | 96.00% | 25,000× | 1 in 177,204 | every round | 1 in 6.39 | 4.00× base | Simulate |
| Super Free Spins | Bonus buy | 300× | 96.00% | 25,000× | 1 in 45,645 | every round | 1 in 4.54 | 11.99× base | Simulate |
Work out the cost of Graveyard Jazz 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 | 96.004% | Active |
Frequently asked
What is the RTP of Graveyard Jazz?
Base spins return 96.00% of the amount wagered over the long run, from the published outcome table for version 1. All 2 of its bonus buys return 96.00%.
What is the max win in Graveyard Jazz and how likely is it?
The top payout is 25,000× the base bet. On a base spin it lands 1 in 1,990,031 spins. In the Super Free Spins buy (300×) 25,000× lands 1 in 45,645 buys.
Does Graveyard Jazz have a bonus buy, and what does it cost?
Yes, 2 buy modes. Free Spins: 100× the base bet, 96.00% RTP, an expected cost of 4.00× the base bet per buy. Super Free Spins: 300× the base bet, 96.00% RTP, an expected cost of 11.99× the base bet per buy.
Is Graveyard Jazz high or low volatility?
High. Its base-mode standard deviation is 27.2× 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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