Chaos Lab slot: RTP and max win
Chaos Lab is a low-volatility slot by Royal Cat Gaming on Stake Engine, released 30 Oct 2026. Its base game returns 96.22%, above the median Engine slot (96.02%) and higher than 60% of them. The top payout is 22,924× the bet, bigger than 60% of Engine slots. It has 3 bonus buys priced at 100× to 350× the bet; the best returns 96.27%, so each buy costs 13× the bet on average over the long run. It is the No. 4010 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 v2. "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× | 96.22% | 14,587× | 1 in 10,000,000 | 1 in 4.09 | 1 in 6.38 | 0.04× base | |
| Ante 1 | Boosted spin | 2.00× | 96.25% | 15,388× | 1 in 10,000,000 | 1 in 2.70 | 1 in 6.23 | 0.08× base | |
| Ante 2 | Boosted spin | 2.00× | 96.51% | 13,200× | 1 in 10,000,000 | 1 in 3.93 | 1 in 9.73 | 0.07× base | |
| Lucky Draw Free Spins | Bonus buy | 100× | 96.25% | 14,701× | 1 in 1,000,000 | every round | 1 in 3.30 | 3.75× base | Simulate |
| Lucky Draw Feature Heavy | Bonus buy | 250× | 96.23% | 18,657× | 1 in 1,000,000 | – | 1 in 3.29 | 9.42× base | Simulate |
| Super Lucky Draw Free Spins | Bonus buy | 350× | 96.27% | 22,924× | 1 in 1,000,000 | every round | 1 in 3.88 | 13.07× 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 | |
|---|---|---|
| v2 | 96.223% | Active |
Frequently asked
What is the RTP of Chaos Lab?
Base spins return 96.22% of the amount wagered over the long run, from the published outcome table for version 2. Its bonus buys return between 96.23% and 96.27%.
What is the max win in Chaos Lab and how likely is it?
The top payout is 22,924× the base bet. On a base spin the top payout of 14,587× lands 1 in 10,000,000 spins. In the Super Lucky Draw Free Spins buy (350×) 22,924× lands 1 in 1,000,000 buys.
Does Chaos Lab have a bonus buy, and what does it cost?
Yes, 3 buy modes. Lucky Draw Free Spins: 100× the base bet, 96.25% RTP, an expected cost of 3.75× the base bet per buy. Lucky Draw Feature Heavy: 250× the base bet, 96.23% RTP, an expected cost of 9.42× the base bet per buy. Super Lucky Draw Free Spins: 350× the base bet, 96.27% RTP, an expected cost of 13.07× the base bet per buy.
Is Chaos Lab high or low volatility?
Low. Its base-mode standard deviation is 11.7× 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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