REEF RIOT slot: RTP and max win
REEF RIOT is a low-volatility slot by Luna Vault on Stake Engine, released 16 Oct 2026. The top payout is 5,000× the bet. It has 3 bonus buys priced at 120× to 190× the bet; the best returns 96.40%, so each buy costs 4.32× the bet on average over the long run. It is the No. 2743 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 v2. "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 | |
|---|---|---|---|---|---|---|---|---|---|
| R01 | Base spin | 1.00× | 96.40% | 20× | 1 in 38 | 1 in 5.33 | 1 in 7.67 | 0.04× base | Simulate |
| R02 | Base spin | 1.00× | 96.40% | 30× | 1 in 63 | 1 in 6.49 | 1 in 8.19 | 0.04× base | Simulate |
| R03 | Base spin | 1.00× | 96.40% | 45× | 1 in 91 | 1 in 7.86 | 1 in 8.75 | 0.04× base | Simulate |
| R04 | Base spin | 1.00× | 96.40% | 70× | 1 in 141 | 1 in 9.22 | 1 in 10 | 0.04× base | Simulate |
| R05 | Base spin | 1.00× | 96.40% | 100× | 1 in 229 | 1 in 11 | 1 in 11 | 0.04× base | Simulate |
| R06 | Base spin | 1.00× | 96.40% | 150× | 1 in 397 | 1 in 13 | 1 in 13 | 0.04× base | Simulate |
| R07 | Base spin | 1.00× | 96.40% | 220× | 1 in 671 | 1 in 17 | 1 in 17 | 0.04× base | Simulate |
| R08 | Base spin | 1.00× | 96.40% | 400× | 1 in 1,754 | 1 in 19 | 1 in 19 | 0.04× base | Simulate |
| R09 | Base spin | 1.00× | 96.40% | 600× | 1 in 3,333 | 1 in 19 | 1 in 19 | 0.04× base | Simulate |
| R10 | Base spin | 1.00× | 96.40% | 900× | 1 in 6,667 | 1 in 19 | 1 in 19 | 0.04× base | Simulate |
| R11 | Base spin | 1.00× | 96.40% | 1,300× | 1 in 10,000 | 1 in 19 | 1 in 19 | 0.04× base | Simulate |
| R12 | Base spin | 1.00× | 96.40% | 1,900× | 1 in 16,667 | 1 in 19 | 1 in 19 | 0.04× base | Simulate |
| R13 | Base spin | 1.00× | 96.40% | 2,700× | 1 in 33,333 | 1 in 19 | 1 in 19 | 0.04× base | Simulate |
| R14 | Base spin | 1.00× | 96.40% | 3,800× | 1 in 50,000 | 1 in 19 | 1 in 19 | 0.04× base | Simulate |
| R15 | Base spin | 1.00× | 96.40% | 5,000× | 1 in 100,000 | 1 in 19 | 1 in 19 | 0.04× base | Simulate |
| Hold Respin | Bonus buy | 120× | 96.40% | 2,500× | 1 in 459 | 1 in 1.51 | 1 in 4.66 | 4.32× base | Simulate |
| Sticky Spins | Bonus buy | 140× | 96.40% | 5,000× | 1 in 529 | 1 in 1.06 | 1 in 3.95 | 5.04× base | Simulate |
| Free Spins | Bonus buy | 190× | 96.40% | 5,000× | 1 in 100,000 | every round | 1 in 2.70 | 6.84× 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 | |
|---|---|---|
| v2 | 96.400% | Active |
Frequently asked
What is the RTP of REEF RIOT?
Base spins return 96.40% of the amount wagered over the long run, from the published outcome table for version 2. All 3 of its bonus buys return 96.40%.
What is the max win in REEF RIOT and how likely is it?
The top payout is 5,000× the base bet. On a base spin the top payout of 20× lands 1 in 38 spins. In the Hold Respin buy (120×) 2,500× lands 1 in 459 buys.
Does REEF RIOT have a bonus buy, and what does it cost?
Yes, 3 buy modes. Hold Respin: 120× the base bet, 96.40% RTP, an expected cost of 4.32× the base bet per buy. Sticky Spins: 140× the base bet, 96.40% RTP, an expected cost of 5.04× the base bet per buy. Free Spins: 190× the base bet, 96.40% RTP, an expected cost of 6.84× the base bet per buy.
Is REEF RIOT high or low volatility?
Low. Its base-mode standard deviation is 7.5× 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.