Castle Crash slot: RTP and max win
Castle Crash is a medium-volatility slot by Guffito Games on Stake Engine, released 29 Oct 2026. Its base game returns 96.00%, below the median Engine slot (96.02%). The top payout is 7,500× the bet; from a base spin it lands about once every 503,623 spins. It has 2 bonus buys priced at 100× to 250× 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. 4048 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 v1. "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% | 7,500× | 1 in 503,623 | 1 in 3.15 | 1 in 11 | 0.04× base | Simulate |
| Car Rush | Boosted spin | 3.00× | 96.00% | 7,500× | 1 in 330,284 | 1 in 2.43 | 1 in 8.11 | 0.12× base | Simulate |
| Extra Chance | Boosted spin | 3.00× | 96.00% | 7,500× | 1 in 83,795 | 1 in 3.17 | 1 in 19 | 0.12× base | Simulate |
| Get Bonus | Bonus buy | 100× | 96.00% | 7,500× | 1 in 2,585 | 1 in 1.01 | 1 in 5.21 | 4.00× base | Simulate |
| Get Super Bonus | Bonus buy | 250× | 96.00% | 7,500× | 1 in 1,790 | 1 in 1.01 | 1 in 4.14 | 10.00× base | Simulate |
Work out the cost of Castle Crash 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 | |
|---|---|---|
| v1 | 96.000% | Active |
Frequently asked
What is the RTP of Castle Crash?
Base spins return 96.00% of the amount wagered over the long run, from the published outcome table for version 1. All 2 of its bonus buys return 96.00%.
What is the max win in Castle Crash and how likely is it?
The top payout is 7,500× the base bet. On a base spin it lands 1 in 503,623 spins. In the Get Bonus buy (100×) 7,500× lands 1 in 2,585 buys.
Does Castle Crash have a bonus buy, and what does it cost?
Yes, 2 buy modes. Get Bonus: 100× the base bet, 96.00% RTP, an expected cost of 4.00× the base bet per buy. Get Super Bonus: 250× the base bet, 96.00% RTP, an expected cost of 10.00× the base bet per buy.
Is Castle Crash high or low volatility?
Medium. Its base-mode standard deviation is 22.7× the bet, which puts it in the middle 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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