Reef Rascals slot: RTP and max win
Reef Rascals is a low-volatility slot by 00phone on Stake Engine, released 25 Sep 2026. Its base game returns 96.00%, below the median Engine slot (96.02%). 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 96.00%, so each buy costs 4.00× the bet on average over the long run. It is the No. 3439 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 v10. "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% | 20,000× | 1 in 110,979,870 | 1 in 2.43 | 1 in 3.03 | 0.04× base | Simulate |
| Boosted | Boosted spin | 2.00× | 96.00% | 40,000× | 1 in 111,091,352 | 1 in 2.49 | 1 in 3.55 | 0.08× base | Simulate |
| Charged | Boosted spin | 4.00× | 96.00% | 50,000× | 1 in 111,741,631 | 1 in 2.61 | 1 in 3.43 | 0.16× base | Simulate |
| Reef Raid | Bonus buy | 100× | 96.00% | 50,000× | 1 in 87,125,726 | 1 in 1.01 | 1 in 3.29 | 4.00× base | Simulate |
| Super Reef Raid | Bonus buy | 250× | 96.00% | 50,000× | 1 in 71,120,385 | 1 in 1.01 | 1 in 3.00 | 10.00× base | Simulate |
| Mythic Reef Raid | Bonus buy | 500× | 96.00% | 50,000× | 1 in 52,523,078 | 1 in 1.01 | 1 in 2.89 | 20.00× base | Simulate |
Work out the cost of Reef Rascals 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 | |
|---|---|---|
| v10 | 96.000% | Active |
Frequently asked
What is the RTP of Reef Rascals?
Base spins return 96.00% of the amount wagered over the long run, from the published outcome table for version 10. All 3 of its bonus buys return 96.00%.
What is the max win in Reef Rascals and how likely is it?
The top payout is 50,000× the base bet. On a base spin the top payout of 20,000× lands 1 in 110,979,870 spins. In the Reef Raid buy (100×) 50,000× lands 1 in 87,125,726 buys.
Does Reef Rascals have a bonus buy, and what does it cost?
Yes, 3 buy modes. Reef Raid: 100× the base bet, 96.00% RTP, an expected cost of 4.00× the base bet per buy. Super Reef Raid: 250× the base bet, 96.00% RTP, an expected cost of 10.00× the base bet per buy. Mythic Reef Raid: 500× the base bet, 96.00% RTP, an expected cost of 20.00× the base bet per buy.
Is Reef Rascals high or low volatility?
Low. Its base-mode standard deviation is 12.9× 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.
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