Ballpark Hero slot: RTP and max win
Ballpark Hero is a low-volatility slot by CSS Gaming on Stake Engine, released 24 Apr 2026. Its base game returns 96.20%, above the median Engine slot (96.02%) and higher than 59% of them. The top payout is 4,651× the bet.
Every mode, side by side
Costs are multiples of the base bet. Odds come from the published outcome table for v15. "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× | 96.20% | 1,700× | 1 in 1,509,509 | 1 in 4.47 | 1 in 5.65 | 0.04× base | Simulate |
| Wild Boost | Boosted spin | 2.00× | 96.22% | 2,957× | 1 in 17,999,905 | – | 1 in 2.58 | 0.08× base | Simulate |
| Expanding Wilds | Boosted spin | 4.00× | 96.20% | 4,651× | 1 in 1,410,133 | 1 in 3.08 | 1 in 4.69 | 0.15× 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 | |
|---|---|---|
| v15 | 96.201% | Active |
| v14 | 96.199% |
Frequently asked
What is the RTP of Ballpark Hero?
Base spins return 96.20% of the amount wagered over the long run, from the published outcome table for version 15. Across its 3 modes RTP ranges from 96.20% to 96.22%.
What is the max win in Ballpark Hero and how likely is it?
The top payout is 4,651× the base bet. On a base spin the top payout of 1,700× lands 1 in 1,509,509 spins.
Does Ballpark Hero have a bonus buy?
No. None of its published modes costs 20× the base bet or more.
Is Ballpark Hero high or low volatility?
Low. Its base-mode standard deviation is 11.1× 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.
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