X Keno slot: RTP and max win
X Keno is a low-volatility slot by Lottio on Stake Engine, released 13 Apr 2026. The top payout is 31,190× the bet. It has 8 bonus buys priced at 100× the bet; the best returns 96.64%, so each buy costs 3.36× the bet on average over the long run. It is the No. 1738 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 v17. "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 | |
|---|---|---|---|---|---|---|---|---|---|
| Easy 6 | Base spin | 1.00× | 96.34% | 7.08× | 1 in 102 | 1 in 1.01 | 1 in 3.03 | 0.04× base | Simulate |
| Extreme 9 | Base spin | 1.00× | 96.30% | 265× | 1 in 1,667 | 1 in 16 | 1 in 16 | 0.04× base | Simulate |
| Hard 2 | Base spin | 1.00× | 96.47% | 2.59× | 1 in 4.10 | 1 in 1.32 | 1 in 4.10 | 0.04× base | Simulate |
| Suicide 10 | Base spin | 1.00× | 96.54% | 2,200× | 1 in 4,545 | 1 in 241 | 1 in 241 | 0.03× base | Simulate |
| Suicide 2 | Base spin | 1.00× | 96.53% | 3.96× | 1 in 4.10 | 1 in 4.10 | 1 in 4.10 | 0.03× base | Simulate |
| Suicide 3 | Base spin | 1.00× | 96.37% | 8.36× | 1 in 8.67 | 1 in 8.67 | 1 in 8.67 | 0.04× base | Simulate |
| Bonus X100 1 | Bonus buy | 100× | 96.56% | 175× | 1 in 1.81 | 1 in 1.81 | 1 in 1.81 | 3.44× base | Simulate |
| Bonus X100 10 | Bonus buy | 100× | 96.61% | 31,190× | 1 in 20,000 | 1 in 1.30 | 1 in 7.13 | 3.39× base | Simulate |
| Bonus X100 2 | Bonus buy | 100× | 96.32% | 303× | 1 in 6.83 | 1 in 1.24 | 1 in 1.52 | 3.68× base | Simulate |
| Bonus X100 4 | Bonus buy | 100× | 96.62% | 1,149× | 1 in 50 | 1 in 1.04 | 1 in 3.17 | 3.38× base | Simulate |
| Bonus X100 5 | Bonus buy | 100× | 96.28% | 2,473× | 1 in 125 | 1 in 1.67 | 1 in 5.62 | 3.72× base | Simulate |
| Bonus X100 6 | Bonus buy | 100× | 96.64% | 3,950× | 1 in 300 | 1 in 1.31 | 1 in 4.76 | 3.36× base | Simulate |
| Bonus X100 7 | Bonus buy | 100× | 96.64% | 7,077× | 1 in 714 | 1 in 1.62 | 1 in 7.31 | 3.36× base | Simulate |
| Bonus X100 9 | Bonus buy | 100× | 96.30% | 19,447× | 1 in 4,000 | 1 in 1.57 | 1 in 8.63 | 3.70× base | Simulate |
| Bonus Safe 10 | Unknown | – | 96.28% | – | – | – | – | – | |
| Bonus Safe 2 | Unknown | – | 96.34% | – | – | – | – | – | |
| Bonus Safe 3 | Unknown | – | 96.43% | – | – | – | – | – | |
| Bonus Safe 4 | Unknown | – | 96.36% | – | – | – | – | – | |
| Bonus Safe 5 | Unknown | – | 96.44% | – | – | – | – | – | |
| Bonus Safe 6 | Unknown | – | 96.26% | – | – | – | – | – | |
| Bonus Safe 7 | Unknown | – | 96.31% | – | – | – | – | – | |
| Bonus Safe 8 | Unknown | – | 96.40% | – | – | – | – | – | |
| Bonus Safe 9 | Unknown | – | 96.30% | – | – | – | – | – | |
| Bonus X100 3 | Unknown | – | 96.50% | – | – | – | – | – | |
| Bonus X100 8 | Unknown | – | 96.41% | – | – | – | – | – | |
| Easy 1 | Unknown | – | 96.33% | – | – | – | – | – | |
| Easy 10 | Unknown | – | 96.29% | – | – | – | – | – | |
| Easy 2 | Unknown | – | 96.27% | – | – | – | – | – | |
| Easy 3 | Unknown | – | 96.73% | – | – | – | – | – | |
| Easy 4 | Unknown | – | 96.39% | – | – | – | – | – | |
| Easy 5 | Unknown | – | 96.48% | – | – | – | – | – | |
| Easy 7 | Unknown | – | 96.32% | – | – | – | – | – | |
| Easy 8 | Unknown | – | 96.37% | – | – | – | – | – | |
| Easy 9 | Unknown | – | 96.29% | – | – | – | – | – | |
| Extreme 1 | Unknown | – | 96.33% | – | – | – | – | – | |
| Extreme 10 | Unknown | – | 96.40% | – | – | – | – | – | |
| Extreme 2 | Unknown | – | 96.50% | – | – | – | – | – | |
| Extreme 3 | Unknown | – | 96.39% | – | – | – | – | – | |
| Extreme 4 | Unknown | – | 96.57% | – | – | – | – | – | |
| Extreme 5 | Unknown | – | 96.74% | – | – | – | – | – | |
| Extreme 6 | Unknown | – | 96.45% | – | – | – | – | – | |
| Extreme 7 | Unknown | – | 96.69% | – | – | – | – | – | |
| Extreme 8 | Unknown | – | 96.58% | – | – | – | – | – | |
| Hard 1 | Unknown | – | 96.33% | – | – | – | – | – | |
| Hard 10 | Unknown | – | 96.56% | – | – | – | – | – | |
| Hard 3 | Unknown | – | 96.45% | – | – | – | – | – | |
| Hard 4 | Unknown | – | 96.63% | – | – | – | – | – | |
| Hard 5 | Unknown | – | 96.40% | – | – | – | – | – | |
| Hard 6 | Unknown | – | 96.62% | – | – | – | – | – | |
| Hard 7 | Unknown | – | 96.37% | – | – | – | – | – | |
| Hard 8 | Unknown | – | 96.35% | – | – | – | – | – | |
| Hard 9 | Unknown | – | 96.58% | – | – | – | – | – | |
| Normal 1 | Unknown | – | 96.33% | – | – | – | – | – | |
| Normal 10 | Unknown | – | 96.35% | – | – | – | – | – | |
| Normal 2 | Unknown | – | 96.47% | – | – | – | – | – | |
| Normal 3 | Unknown | – | 96.49% | – | – | – | – | – | |
| Normal 4 | Unknown | – | 96.30% | – | – | – | – | – | |
| Normal 5 | Unknown | – | 96.35% | – | – | – | – | – | |
| Normal 6 | Unknown | – | 96.67% | – | – | – | – | – | |
| Normal 7 | Unknown | – | 96.48% | – | – | – | – | – | |
| Normal 8 | Unknown | – | 96.54% | – | – | – | – | – | |
| Normal 9 | Unknown | – | 96.27% | – | – | – | – | – | |
| Suicide 1 | Unknown | – | 96.33% | – | – | – | – | – | |
| Suicide 4 | Unknown | – | 96.55% | – | – | – | – | – | |
| Suicide 5 | Unknown | – | 96.54% | – | – | – | – | – | |
| Suicide 6 | Unknown | – | 96.52% | – | – | – | – | – | |
| Suicide 7 | Unknown | – | 96.55% | – | – | – | – | – | |
| Suicide 8 | Unknown | – | 96.62% | – | – | – | – | – | |
| Suicide 9 | Unknown | – | 96.63% | – | – | – | – | – |
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 | |
|---|---|---|
| v17 | 96.345% | Active |
Frequently asked
What is the RTP of X Keno?
Base spins return 96.34% of the amount wagered over the long run, from the published outcome table for version 17. Its bonus buys return between 96.28% and 96.64%.
What is the max win in X Keno and how likely is it?
The top payout is 31,190× the base bet. On a base spin the top payout of 7.08× lands 1 in 102 spins. In the Bonus X100 6 buy (100×) 3,950× lands 1 in 300 buys.
Does X Keno have a bonus buy, and what does it cost?
Yes, 8 buy modes. Bonus X100 1: 100× the base bet, 96.56% RTP, an expected cost of 3.44× the base bet per buy. Bonus X100 10: 100× the base bet, 96.61% RTP, an expected cost of 3.39× the base bet per buy. Bonus X100 2: 100× the base bet, 96.32% RTP, an expected cost of 3.68× the base bet per buy. Bonus X100 4: 100× the base bet, 96.62% RTP, an expected cost of 3.38× the base bet per buy. Bonus X100 5: 100× the base bet, 96.28% RTP, an expected cost of 3.72× the base bet per buy. Bonus X100 6: 100× the base bet, 96.64% RTP, an expected cost of 3.36× the base bet per buy. Bonus X100 7: 100× the base bet, 96.64% RTP, an expected cost of 3.36× the base bet per buy. Bonus X100 9: 100× the base bet, 96.30% RTP, an expected cost of 3.70× the base bet per buy.
Is X Keno high or low volatility?
Low. Its base-mode standard deviation is 2.0× 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.