Fish slot: RTP and max win
Fish is a medium-volatility slot by Twist Gaming on Stake Engine, released 5 Jun 2026. Its base game returns 97.00%, above the median Engine slot (96.02%) and higher than 97% of them. The top payout is 20,000× the bet, bigger than 59% of Engine slots; from a base spin it lands about once every 2,000,000 spins. It has 7 bonus buys priced at 100× to 1,000× the bet; the best returns 97.00%, so each buy costs 3.00× the bet on average over the long run. It is the No. 43 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 v37. "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× | 97.00% | 20,000× | 1 in 2,000,000 | 1 in 5.96 | 1 in 28 | 0.03× base | Simulate |
| Ante One | Boosted spin | 2.50× | 97.00% | 20,000× | 1 in 8,000,005 | 1 in 5.66 | 1 in 41 | 0.08× base | Simulate |
| Ante Two | Bonus buy | 100× | 97.00% | 20,000× | 1 in 400 | 1 in 4.94 | 1 in 13 | 3.00× base | Simulate |
| Ante Three | Bonus buy | 200× | 97.00% | 20,000× | 1 in 200 | 1 in 4.88 | 1 in 7.69 | 6.00× base | Simulate |
| Ante Four | Bonus buy | 300× | 97.00% | 20,000× | 1 in 133 | 1 in 2.93 | 1 in 6.27 | 9.00× base | Simulate |
| Bonus One | Bonus buy | 300× | 97.00% | 20,000× | 1 in 66,667 | – | 1 in 4.12 | 9.00× base | Simulate |
| Ante Five | Bonus buy | 400× | 97.00% | 20,000× | 1 in 111 | 1 in 1.96 | 1 in 6.07 | 12.00× base | Simulate |
| Ante Six | Bonus buy | 500× | 97.00% | 20,000× | 1 in 100 | 1 in 1.96 | 1 in 4.63 | 15.00× base | Simulate |
| Ante Seven | Bonus buy | 1,000× | 97.00% | 20,000× | 1 in 21 | 1 in 21 | 1 in 21 | 30.00× 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 | |
|---|---|---|
| v37 | 97.000% | Active |
Frequently asked
What is the RTP of Fish?
Base spins return 97.00% of the amount wagered over the long run, from the published outcome table for version 37. All 7 of its bonus buys return 97.00%.
What is the max win in Fish and how likely is it?
The top payout is 20,000× the base bet. On a base spin it lands 1 in 2,000,000 spins. In the Ante Two buy (100×) 20,000× lands 1 in 400 buys.
Does Fish have a bonus buy, and what does it cost?
Yes, 7 buy modes. Ante Two: 100× the base bet, 97.00% RTP, an expected cost of 3.00× the base bet per buy. Ante Three: 200× the base bet, 97.00% RTP, an expected cost of 6.00× the base bet per buy. Ante Four: 300× the base bet, 97.00% RTP, an expected cost of 9.00× the base bet per buy. Bonus One: 300× the base bet, 97.00% RTP, an expected cost of 9.00× the base bet per buy. Ante Five: 400× the base bet, 97.00% RTP, an expected cost of 12.00× the base bet per buy. Ante Six: 500× the base bet, 97.00% RTP, an expected cost of 15.00× the base bet per buy. Ante Seven: 1,000× the base bet, 97.00% RTP, an expected cost of 30.00× the base bet per buy.
Is Fish high or low volatility?
Medium. Its base-mode standard deviation is 16.5× 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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