Cats VS Zombies slot: RTP and max win
Cats VS Zombies is a high-volatility slot by Vibrant Labs on Stake Engine, released 8 Aug 2026. Its base game returns 96.20%, above the median Engine slot (96.02%) and higher than 57% of them. The top payout is 25,000× the bet, bigger than 81% of Engine slots; from a base spin it lands about once every 1,819,930 spins. It has 3 bonus buys priced at 100× to 250× the bet; the best returns 96.20%, so each buy costs 3.80× the bet on average over the long run. It is the No. 2635 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 v4. "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% | 25,000× | 1 in 1,819,930 | 1 in 3.20 | 1 in 10 | 0.04× base | Simulate |
| Doublechance | Boosted spin | 2.00× | 96.20% | 25,000× | 1 in 878,829 | 1 in 5.30 | 1 in 7.59 | 0.08× base | Simulate |
| Multispin | Boosted spin | 8.00× | 96.20% | 25,000× | 1 in 9,409,811,648 | 1 in 1.80 | 1 in 4.09 | 0.30× base | Simulate |
| Bonus | Bonus buy | 100× | 96.20% | 25,000× | 1 in 8,000 | every round | 1 in 5.79 | 3.80× base | Simulate |
| Superbonus | Bonus buy | 200× | 96.20% | 25,000× | 1 in 5,000 | every round | 1 in 6.01 | 7.60× base | Simulate |
| Mystery | Bonus buy | 250× | 96.20% | 25,000× | 1 in 4,095 | every round | 1 in 4.46 | 9.50× base | Simulate |
Work out the cost of Cats VS Zombies 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 | |
|---|---|---|
| v4 | 96.200% | Active |
Frequently asked
What is the RTP of Cats VS Zombies?
Base spins return 96.20% of the amount wagered over the long run, from the published outcome table for version 4. All 3 of its bonus buys return 96.20%.
What is the max win in Cats VS Zombies and how likely is it?
The top payout is 25,000× the base bet. On a base spin it lands 1 in 1,819,930 spins. In the Bonus buy (100×) 25,000× lands 1 in 8,000 buys.
Does Cats VS Zombies have a bonus buy, and what does it cost?
Yes, 3 buy modes. Bonus: 100× the base bet, 96.20% RTP, an expected cost of 3.80× the base bet per buy. Superbonus: 200× the base bet, 96.20% RTP, an expected cost of 7.60× the base bet per buy. Mystery: 250× the base bet, 96.20% RTP, an expected cost of 9.50× the base bet per buy.
Is Cats VS Zombies high or low volatility?
High. Its base-mode standard deviation is 37.4× 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.
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