Rock Press slot: RTP and max win
Rock Press is a low-volatility slot by Crisp on Stake Engine, released 30 Mar 2026. Its base game returns 96.48%, above the median Engine slot (96.02%) and higher than 66% of them. The top payout is 61,803× the bet, bigger than 97% of Engine slots. It is the No. 6480 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 v19. "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 | |
|---|---|---|---|---|---|---|---|---|---|
| Standard Rock | Base spin | 1.00× | 96.48% | 5,175× | 1 in 1,521,456 | 1 in 1.49 | 1 in 4.81 | 0.04× base | Simulate |
| Ice Rock | Boosted spin | 3.00× | 96.48% | 5,175× | 1 in 501,922 | 1 in 1.43 | 1 in 5.46 | 0.11× base | Simulate |
| Moon Rock | Boosted spin | 10× | 96.48% | 61,803× | 1 in 862,380 | 1 in 2.19 | 1 in 6.76 | 0.35× 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 | |
|---|---|---|
| v19 | 96.480% | Active |
Frequently asked
What is the RTP of Rock Press?
Base spins return 96.48% of the amount wagered over the long run, from the published outcome table for version 19. All 3 modes return 96.48%.
What is the max win in Rock Press and how likely is it?
The top payout is 61,803× the base bet. On a base spin the top payout of 5,175× lands 1 in 1,521,456 spins.
Does Rock Press have a bonus buy?
No. None of its published modes costs 20× the base bet or more.
Is Rock Press high or low volatility?
Low. Its base-mode standard deviation is 12.2× 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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