Ibiza Final Boss slot: RTP and max win
Ibiza Final Boss is a high-volatility slot by Stacys Cookies on Stake Engine, released 28 Sep 2026. Its base game returns 96.70%, above the median Engine slot (96.02%) and higher than 86% of them. The top payout is 50,000× the bet, bigger than 97% of Engine slots; from a base spin it lands about once every 2,500,000 spins. It has 3 bonus buys priced at 100× to 2,000× the bet; the best returns 96.70%, so each buy costs 3.30× the bet on average over the long run. It is the No. 3169 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 v24. "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% | 50,000× | 1 in 2,500,000 | 1 in 20 | 1 in 28 | 0.03× base | Simulate |
| Ante | Boosted spin | 3.00× | 96.70% | 50,000× | 1 in 16,000,000 | 1 in 11 | 1 in 20 | 0.10× base | Simulate |
| Super Ante | Boosted spin | 10× | 96.70% | 50,000× | 1 in 16,000,000 | 1 in 8.33 | 1 in 15 | 0.33× base | Simulate |
| Bonus | Bonus buy | 100× | 96.70% | 50,000× | 1 in 30,000 | – | 1 in 5.52 | 3.30× base | Simulate |
| Super Bonus | Bonus buy | 500× | 96.70% | 50,000× | 1 in 1,000,000 | – | 1 in 3.58 | 16.50× base | Simulate |
| Max Or Zero | Bonus buy | 2,000× | 96.70% | 50,000× | 1 in 26 | 1 in 26 | 1 in 26 | 66.00× base | Simulate |
Work out the cost of Ibiza Final Boss 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 | |
|---|---|---|
| v24 | 96.700% | Active |
Frequently asked
What is the RTP of Ibiza Final Boss?
Base spins return 96.70% of the amount wagered over the long run, from the published outcome table for version 24. All 3 of its bonus buys return 96.70%.
What is the max win in Ibiza Final Boss and how likely is it?
The top payout is 50,000× the base bet. On a base spin it lands 1 in 2,500,000 spins. In the Bonus buy (100×) 50,000× lands 1 in 30,000 buys.
Does Ibiza Final Boss have a bonus buy, and what does it cost?
Yes, 3 buy modes. Bonus: 100× the base bet, 96.70% RTP, an expected cost of 3.30× 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. Max Or Zero: 2,000× the base bet, 96.70% RTP, an expected cost of 66.00× the base bet per buy.
Is Ibiza Final Boss high or low volatility?
High. Its base-mode standard deviation is 41.0× 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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