Space Kitty slot: RTP and max win
Space Kitty is a low-volatility slot by Fun Machine on Stake Engine, released 28 Aug 2026. Its base game returns 96.42%, above the median Engine slot (96.02%) and higher than 65% of them. The top payout is 250× the bet. It has 1 bonus buy priced at 50× the bet; the best returns 96.42%, so each buy costs 1.79× the bet on average over the long run. It is the No. 6443 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 v7. "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 | |
|---|---|---|---|---|---|---|---|---|---|
| High Volatility | Base spin | 1.00× | 96.42% | 249× | 1 in 100,012 | 1 in 18 | 1 in 18 | 0.04× base | Simulate |
| Low Volatility | Base spin | 1.00× | 96.42% | 28× | 1 in 100,006 | 1 in 5.11 | 1 in 5.21 | 0.04× base | Simulate |
| Medium Volatility | Base spin | 1.00× | 96.42% | 111× | 1 in 100,002 | 1 in 8.64 | 1 in 8.73 | 0.04× base | Simulate |
| Immunity | Boosted spin | 10× | 96.42% | 30× | 1 in 5,701 | – | 1 in 2.46 | 0.36× base | Simulate |
| Wormhole | Bonus buy | 50× | 96.42% | 250× | 1 in 108,008 | – | 1 in 4.05 | 1.79× base | Simulate |
Work out the cost of Space Kitty 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 | |
|---|---|---|
| v7 | 96.420% | Active |
Frequently asked
What is the RTP of Space Kitty?
Base spins return 96.42% of the amount wagered over the long run, from the published outcome table for version 7. Its bonus buy returns 96.42%.
What is the max win in Space Kitty and how likely is it?
The top payout is 250× the base bet. On a base spin the top payout of 249× lands 1 in 100,012 spins. In the Wormhole buy (50×) 250× lands 1 in 108,008 buys.
Does Space Kitty have a bonus buy, and what does it cost?
Yes, 1 buy mode. Wormhole: 50× the base bet, 96.42% RTP, an expected cost of 1.79× the base bet per buy.
Is Space Kitty high or low volatility?
Low. Its base-mode standard deviation is 4.0× 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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