punch the boss slot: RTP and max win
punch the boss is a low-volatility slot by sunflower gaming on Stake Engine, released 3 Aug 2026. The top payout is 9,000× the bet. It has 10 bonus buys priced at 30× to 300× the bet; the best returns 96.50%, so each buy costs 1.05× the bet on average over the long run. It is the No. 3955 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 v3. "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 | |
|---|---|---|---|---|---|---|---|---|---|
| Extra | Base spin | 1.00× | 96.50% | 100× | 1 in 25,000 | 1 in 2.00 | 1 in 3.57 | 0.04× base | Simulate |
| High | Base spin | 1.00× | 96.50% | 50× | 1 in 11,111 | 1 in 1.67 | 1 in 3.43 | 0.04× base | Simulate |
| Low | Base spin | 1.00× | 96.50% | 10× | 1 in 3,125 | 1 in 1.25 | 1 in 1.25 | 0.04× base | Simulate |
| Max | Base spin | 1.00× | 96.50% | 300× | 1 in 33,333 | 1 in 3.03 | 1 in 5.33 | 0.04× base | Simulate |
| Medium | Base spin | 1.00× | 96.50% | 20× | 1 in 3,704 | 1 in 1.33 | 1 in 3.23 | 0.04× base | Simulate |
| Rage Extra | Bonus buy | 30× | 96.50% | 3,000× | 1 in 33,333 | 1 in 1.69 | 1 in 3.18 | 1.05× base | Simulate |
| Rage High | Bonus buy | 30× | 96.50% | 1,500× | 1 in 16,667 | 1 in 1.45 | 1 in 3.19 | 1.05× base | Simulate |
| Rage Low | Bonus buy | 30× | 96.50% | 300× | 1 in 100,000 | 1 in 1.12 | 1 in 1.12 | 1.05× base | Simulate |
| Rage Max | Bonus buy | 30× | 96.50% | 9,000× | 1 in 50,000 | 1 in 2.38 | 1 in 4.44 | 1.05× base | Simulate |
| Rage Medium | Bonus buy | 30× | 96.50% | 600× | 1 in 5,263 | 1 in 1.19 | 1 in 3.11 | 1.05× base | Simulate |
| Ko Extra | Bonus buy | 300× | 96.50% | 600× | 1 in 18 | – | 1 in 2.18 | 10.50× base | Simulate |
| Ko High | Bonus buy | 300× | 96.50% | 501× | 1 in 11 | – | 1 in 2.08 | 10.50× base | Simulate |
| Ko Low | Bonus buy | 300× | 96.50% | 429× | 1 in 16 | – | 1 in 2.44 | 10.50× base | Simulate |
| Ko Max | Bonus buy | 300× | 96.50% | 1,200× | 1 in 45 | – | 1 in 3.18 | 10.50× base | Simulate |
| Ko Medium | Bonus buy | 300× | 96.50% | 501× | 1 in 18 | – | 1 in 2.06 | 10.50× base | Simulate |
Work out the cost of punch the 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 | |
|---|---|---|
| v3 | 96.500% | Active |
Frequently asked
What is the RTP of punch the boss?
Base spins return 96.50% of the amount wagered over the long run, from the published outcome table for version 3. All 10 of its bonus buys return 96.50%.
What is the max win in punch the boss and how likely is it?
The top payout is 9,000× the base bet. On a base spin the top payout of 100× lands 1 in 25,000 spins. In the Rage Extra buy (30×) 3,000× lands 1 in 33,333 buys.
Does punch the boss have a bonus buy, and what does it cost?
Yes, 10 buy modes. Rage Extra: 30× the base bet, 96.50% RTP, an expected cost of 1.05× the base bet per buy. Rage High: 30× the base bet, 96.50% RTP, an expected cost of 1.05× the base bet per buy. Rage Low: 30× the base bet, 96.50% RTP, an expected cost of 1.05× the base bet per buy. Rage Max: 30× the base bet, 96.50% RTP, an expected cost of 1.05× the base bet per buy. Rage Medium: 30× the base bet, 96.50% RTP, an expected cost of 1.05× the base bet per buy. Ko Extra: 300× the base bet, 96.50% RTP, an expected cost of 10.50× the base bet per buy. Ko High: 300× the base bet, 96.50% RTP, an expected cost of 10.50× the base bet per buy. Ko Low: 300× the base bet, 96.50% RTP, an expected cost of 10.50× the base bet per buy. Ko Max: 300× the base bet, 96.50% RTP, an expected cost of 10.50× the base bet per buy. Ko Medium: 300× the base bet, 96.50% RTP, an expected cost of 10.50× the base bet per buy.
Is punch the boss high or low volatility?
Low. Its base-mode standard deviation is 3.4× the bet, which puts it in the lowest 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.