Bunana 1K slot: RTP and max win
Bunana 1K is a high-volatility slot by Butter on Stake Engine, released 21 Oct 2026. Its base game returns 96.70%, above the median Engine slot (96.02%) and higher than 86% of them. The top payout is 100,000× the bet, bigger than 100% of Engine slots; from a base spin it lands about once every 4,159,045 spins. It has 5 bonus buys priced at 150× to 1,000× the bet; the best returns 96.70%, so each buy costs 4.95× the bet on average over the long run. It is the No. 51 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 v31. "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× | 96.70% | 100,000× | 1 in 4,159,045 | 1 in 1.98 | 1 in 4.96 | 0.03× base | Simulate |
| Extra Chance | Boosted spin | 3.00× | 96.70% | 100,000× | 1 in 831,809 | 1 in 1.96 | 1 in 51 | 0.10× base | Simulate |
| Bonus | Bonus buy | 150× | 96.70% | 100,000× | 1 in 12,500 | 1 in 1.02 | 1 in 2.63 | 4.95× base | Simulate |
| Max Or Not | Bonus buy | 500× | 96.70% | 100,000× | 1 in 2,000 | 1 in 20 | 1 in 20 | 16.50× base | Simulate |
| Random Bonus | Bonus buy | 500× | 96.70% | 100,000× | 1 in 7,812 | 1 in 1.02 | 1 in 7.44 | 16.50× base | Simulate |
| Super Bonus | Bonus buy | 500× | 96.70% | 100,000× | 1 in 5,000 | 1 in 1.02 | 1 in 4.32 | 16.50× base | Simulate |
| Full Tilt | Bonus buy | 1,000× | 96.70% | 100,000× | 1 in 20,000 | 1 in 1.01 | 1 in 4.05 | 33.00× 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 | |
|---|---|---|
| v31 | 96.700% | Active |
Frequently asked
What is the RTP of Bunana 1K?
Base spins return 96.70% of the amount wagered over the long run, from the published outcome table for version 31. All 5 of its bonus buys return 96.70%.
What is the max win in Bunana 1K and how likely is it?
The top payout is 100,000× the base bet. On a base spin it lands 1 in 4,159,045 spins. In the Bonus buy (150×) 100,000× lands 1 in 12,500 buys.
Does Bunana 1K have a bonus buy, and what does it cost?
Yes, 5 buy modes. Bonus: 150× the base bet, 96.70% RTP, an expected cost of 4.95× the base bet per buy. Max Or Not: 500× the base bet, 96.70% RTP, an expected cost of 16.50× the base bet per buy. Random Bonus: 500× the base bet, 96.70% RTP, an expected cost of 16.50× the base bet per buy. Super Bonus: 500× the base bet, 96.70% RTP, an expected cost of 16.50× the base bet per buy. Full Tilt: 1,000× the base bet, 96.70% RTP, an expected cost of 33.00× the base bet per buy.
Is Bunana 1K high or low volatility?
High. Its base-mode standard deviation is 55.3× 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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