Bone Appetit slot: RTP and max win
Bone Appetit is a high-volatility slot by Rifer Labs on Stake Engine, released 2 Nov 2026. The top payout is 50,000× the bet; from a base spin it lands about once every 6,428,115 spins. It has 13 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. 1114 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 v2. "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% | 50,000× | 1 in 6,428,115 | 1 in 2.88 | 1 in 6.67 | 0.04× base | Simulate |
| Base Extreme | Base spin | 1.00× | 96.00% | 50,000× | 1 in 4,285,715 | 1 in 3.43 | 1 in 8.49 | 0.04× base | Simulate |
| Base Vlow | Base spin | 1.00× | 96.00% | 50,000× | 1 in 9,090,983 | 1 in 2.61 | 1 in 5.64 | 0.04× base | Simulate |
| Extra | Boosted spin | 2.00× | 96.00% | 50,000× | 1 in 2,142,704 | 1 in 2.84 | 1 in 17 | 0.08× base | Simulate |
| Extra Extreme | Boosted spin | 2.00× | 96.00% | 50,000× | 1 in 1,428,571 | 1 in 3.39 | 1 in 23 | 0.08× base | Simulate |
| Extra Vlow | Boosted spin | 2.00× | 96.00% | 50,000× | 1 in 3,030,329 | 1 in 2.56 | 1 in 14 | 0.08× base | Simulate |
| Bonus | Bonus buy | 100× | 96.00% | 50,000× | 1 in 100,000 | every round | 1 in 4.35 | 4.00× base | Simulate |
| Bonus Extreme | Bonus buy | 100× | 96.00% | 50,000× | 1 in 40,000 | every round | 1 in 7.14 | 4.00× base | Simulate |
| Bonus Vlow | Bonus buy | 100× | 96.00% | 50,000× | 1 in 250,000 | every round | 1 in 2.94 | 4.00× base | Simulate |
| Feature1 | Bonus buy | 100× | 96.00% | 50,000× | 1 in 500,000 | – | 1 in 4.00 | 4.00× base | Simulate |
| Feature1 Extreme | Bonus buy | 100× | 96.00% | 50,000× | 1 in 200,000 | – | 1 in 7.14 | 4.00× base | Simulate |
| Feature1 Vlow | Bonus buy | 100× | 96.00% | 50,000× | 1 in 1,000,000 | – | 1 in 2.94 | 4.00× base | Simulate |
| Super | Bonus buy | 400× | 96.00% | 50,000× | 1 in 14,992 | every round | 1 in 4.08 | 16.00× base | Simulate |
| Super Extreme | Bonus buy | 400× | 96.00% | 50,000× | 1 in 6,250 | every round | 1 in 7.14 | 16.00× base | Simulate |
| Super Vlow | Bonus buy | 400× | 96.00% | 50,000× | 1 in 33,333 | every round | 1 in 2.86 | 16.00× base | Simulate |
| Feature2 | Bonus buy | 500× | 96.00% | 50,000× | 1 in 100,000 | – | 1 in 4.55 | 20.00× base | Simulate |
| Feature2 Extreme | Bonus buy | 500× | 96.00% | 50,000× | 1 in 40,000 | – | 1 in 7.69 | 20.00× base | Simulate |
| Feature2 Vlow | Bonus buy | 500× | 96.00% | 50,000× | 1 in 250,000 | – | 1 in 3.13 | 20.00× base | Simulate |
| Random | Bonus buy | 500× | 96.00% | 50,000× | 1 in 2,317 | every round | 1 in 6.42 | 20.00× base | Simulate |
Work out the cost of Bone Appetit 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 | |
|---|---|---|
| v2 | 96.000% | Active |
Frequently asked
What is the RTP of Bone Appetit?
Base spins return 96.00% of the amount wagered over the long run, from the published outcome table for version 2. All 13 of its bonus buys return 96.00%.
What is the max win in Bone Appetit and how likely is it?
The top payout is 50,000× the base bet. On a base spin it lands 1 in 6,428,115 spins. In the Bonus buy (100×) 50,000× lands 1 in 100,000 buys.
Does Bone Appetit have a bonus buy, and what does it cost?
Yes, 13 buy modes. Bonus: 100× the base bet, 96.00% RTP, an expected cost of 4.00× the base bet per buy. Bonus Extreme: 100× the base bet, 96.00% RTP, an expected cost of 4.00× the base bet per buy. Bonus Vlow: 100× the base bet, 96.00% RTP, an expected cost of 4.00× the base bet per buy. Feature1: 100× the base bet, 96.00% RTP, an expected cost of 4.00× the base bet per buy. Feature1 Extreme: 100× the base bet, 96.00% RTP, an expected cost of 4.00× the base bet per buy. Feature1 Vlow: 100× the base bet, 96.00% RTP, an expected cost of 4.00× the base bet per buy. Super: 400× the base bet, 96.00% RTP, an expected cost of 16.00× the base bet per buy. Super Extreme: 400× the base bet, 96.00% RTP, an expected cost of 16.00× the base bet per buy. Super Vlow: 400× the base bet, 96.00% RTP, an expected cost of 16.00× the base bet per buy. Feature2: 500× the base bet, 96.00% RTP, an expected cost of 20.00× the base bet per buy. Feature2 Extreme: 500× the base bet, 96.00% RTP, an expected cost of 20.00× the base bet per buy. Feature2 Vlow: 500× the base bet, 96.00% RTP, an expected cost of 20.00× the base bet per buy. Random: 500× the base bet, 96.00% RTP, an expected cost of 20.00× the base bet per buy.
Is Bone Appetit high or low volatility?
High. Its base-mode standard deviation is 46.2× 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.