Blood Bank slot: RTP and max win
Blood Bank is a high-volatility slot by Pig Gaming on Stake Engine, released 17 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 16,666× the bet, bigger than 50% of Engine slots; from a base spin it lands about once every 2,980,119 spins. It has 5 bonus buys priced at 100× to 500× 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. 435 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 v11. "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% | 16,666× | 1 in 2,980,119 | 1 in 10 | 1 in 18 | 0.03× base | Simulate |
| Ante | Boosted spin | 2.00× | 96.70% | 16,666× | 1 in 1,192,051 | 1 in 12 | 1 in 24 | 0.07× base | Simulate |
| Super Ante | Boosted spin | 15× | 96.70% | 16,666× | 1 in 128,571 | 1 in 20 | 1 in 33 | 0.50× base | Simulate |
| Bonus | Bonus buy | 100× | 96.70% | 16,666× | 1 in 50,000 | – | 1 in 5.00 | 3.30× base | Simulate |
| Feature Spin | Bonus buy | 200× | 96.70% | 16,666× | 1 in 100,000 | – | 1 in 4.29 | 6.60× base | Simulate |
| Super Bonus | Bonus buy | 200× | 96.70% | 16,666× | 1 in 20,000 | every round | 1 in 4.45 | 6.60× base | Simulate |
| Mystery Bonus | Bonus buy | 500× | 96.70% | 16,666× | 1 in 2,892 | 1 in 2.86 | 1 in 5.53 | 16.50× base | Simulate |
| Pig Spin | Bonus buy | 500× | 96.70% | 16,666× | 1 in 20,000 | – | 1 in 4.55 | 16.50× 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 | |
|---|---|---|
| v11 | 96.700% | Active |
Frequently asked
What is the RTP of Blood Bank?
Base spins return 96.70% of the amount wagered over the long run, from the published outcome table for version 11. All 5 of its bonus buys return 96.70%.
What is the max win in Blood Bank and how likely is it?
The top payout is 16,666× the base bet. On a base spin it lands 1 in 2,980,119 spins. In the Bonus buy (100×) 16,666× lands 1 in 50,000 buys.
Does Blood Bank have a bonus buy, and what does it cost?
Yes, 5 buy modes. Bonus: 100× the base bet, 96.70% RTP, an expected cost of 3.30× the base bet per buy. Feature Spin: 200× the base bet, 96.70% RTP, an expected cost of 6.60× the base bet per buy. Super Bonus: 200× the base bet, 96.70% RTP, an expected cost of 6.60× the base bet per buy. Mystery Bonus: 500× the base bet, 96.70% RTP, an expected cost of 16.50× the base bet per buy. Pig Spin: 500× the base bet, 96.70% RTP, an expected cost of 16.50× the base bet per buy.
Is Blood Bank high or low volatility?
High. Its base-mode standard deviation is 42.4× 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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