Cat Attack slot: RTP and max win
Cat Attack is a high-volatility slot by Blackout Studios on Stake Engine, released 24 Oct 2026. The top payout is 45,000× the bet; from a base spin it lands about once every 2,450,980 spins. It has 10 bonus buys priced at 20× to 500× the bet; the best returns 96.70%, so each buy costs 0.66× the bet on average over the long run. It is the No. 269 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 v6. "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× | 96.70% | 45,000× | 1 in 2,450,980 | 1 in 5.23 | 1 in 11 | 0.03× base | Simulate |
| Ante | Boosted spin | 1.25× | 96.70% | 45,000× | 1 in 2,551,018 | 1 in 5.21 | 1 in 10 | 0.04× base | Simulate |
| Ante X5 | Boosted spin | 5.00× | 96.70% | 45,000× | 1 in 1,020,407 | 1 in 37 | 1 in 43 | 0.17× base | Simulate |
| Ante X10 | Boosted spin | 10× | 96.70% | 45,000× | 1 in 589,395 | 1 in 19 | 1 in 19 | 0.33× base | Simulate |
| Ante X20 | Bonus buy | 20× | 96.70% | 45,000× | 1 in 102,041 | 1 in 9.31 | 1 in 12 | 0.66× base | Simulate |
| Feature X16 | Bonus buy | 20× | 96.70% | 45,000× | 1 in 26,314 | 1 in 6.67 | 1 in 7.95 | 0.66× base | Simulate |
| Feature X32 | Bonus buy | 50× | 96.70% | 45,000× | 1 in 8,772 | 1 in 3.57 | 1 in 4.71 | 1.65× base | Simulate |
| Feature X64 | Bonus buy | 100× | 96.70% | 45,000× | 1 in 3,759 | 1 in 2.63 | 1 in 4.04 | 3.30× base | Simulate |
| Regular | Bonus buy | 100× | 96.70% | 45,000× | 1 in 39,343 | – | 1 in 3.86 | 3.30× base | Simulate |
| Feature | Bonus buy | 250× | 96.70% | 45,000× | 1 in 1,404 | 1 in 1.72 | 1 in 2.83 | 8.25× base | Simulate |
| Super | Bonus buy | 300× | 96.70% | 45,000× | 1 in 6,633 | – | 1 in 4.00 | 9.90× base | Simulate |
| Feature X256 | Bonus buy | 500× | 96.70% | 45,000× | 1 in 500 | 1 in 1.43 | 1 in 2.67 | 16.50× base | Simulate |
| Max Or Nothing | Bonus buy | 500× | 96.70% | 45,000× | 1 in 300 | 1 in 11 | 1 in 11 | 16.50× base | Simulate |
| Mystery | Bonus buy | 500× | 96.70% | 45,000× | 1 in 1,500 | 1 in 2.04 | 1 in 6.72 | 16.50× 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 | |
|---|---|---|
| v6 | 96.700% | Active |
| v3 | 96.700% |
Frequently asked
What is the RTP of Cat Attack?
Base spins return 96.70% of the amount wagered over the long run, from the published outcome table for version 6. All 10 of its bonus buys return 96.70%.
What is the max win in Cat Attack and how likely is it?
The top payout is 45,000× the base bet. On a base spin it lands 1 in 2,450,980 spins. In the Ante X20 buy (20×) 45,000× lands 1 in 102,041 buys.
Does Cat Attack have a bonus buy, and what does it cost?
Yes, 10 buy modes. Ante X20: 20× the base bet, 96.70% RTP, an expected cost of 0.66× the base bet per buy. Feature X16: 20× the base bet, 96.70% RTP, an expected cost of 0.66× the base bet per buy. Feature X32: 50× the base bet, 96.70% RTP, an expected cost of 1.65× the base bet per buy. Feature X64: 100× the base bet, 96.70% RTP, an expected cost of 3.30× the base bet per buy. Regular: 100× the base bet, 96.70% RTP, an expected cost of 3.30× the base bet per buy. Feature: 250× the base bet, 96.70% RTP, an expected cost of 8.25× the base bet per buy. Super: 300× the base bet, 96.70% RTP, an expected cost of 9.90× the base bet per buy. Feature X256: 500× the base bet, 96.70% RTP, an expected cost of 16.50× the base bet per buy. Max Or Nothing: 500× the base bet, 96.70% RTP, an expected cost of 16.50× the base bet per buy. Mystery: 500× the base bet, 96.70% RTP, an expected cost of 16.50× the base bet per buy.
Is Cat Attack high or low volatility?
High. Its base-mode standard deviation is 47.1× 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.