Odyssey slot: RTP and max win
Odyssey is a high-volatility slot by Noctra Games on Stake Engine, released 25 Sep 2026. Its base game returns 96.01%, below the median Engine slot (96.02%). The top payout is 20,000× the bet, bigger than 59% of Engine slots; from a base spin it lands about once every 1,000,005 spins. It has 3 bonus buys priced at 100× to 500× the bet; the best returns 96.01%, so each buy costs 3.99× the bet on average over the long run. It is the No. 2497 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 v20. "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 | |
|---|---|---|---|---|---|---|---|---|---|
| Calme | Base spin | 1.00× | 96.01% | 20,000× | 1 in 1,000,005 | 1 in 4.93 | 1 in 8.80 | 0.04× base | Simulate |
| Chance3 | Boosted spin | 3.00× | 96.01% | 20,000× | 1 in 333,334 | 1 in 4.80 | 1 in 9.90 | 0.12× base | Simulate |
| Chance5 | Boosted spin | 5.00× | 96.01% | 20,000× | 1 in 200,000 | 1 in 4.68 | 1 in 8.44 | 0.20× base | Simulate |
| Nectar | Boosted spin | 6.00× | 96.01% | 20,000× | 1 in 166,668 | – | 1 in 17 | 0.24× base | Simulate |
| Buy Calme | Bonus buy | 100× | 96.01% | 20,000× | 1 in 10,000 | every round | 1 in 2.46 | 3.99× base | Simulate |
| Buy Super | Bonus buy | 250× | 96.01% | 20,000× | 1 in 4,000 | every round | 1 in 2.81 | 9.98× base | Simulate |
| Buy Mystery | Bonus buy | 500× | 96.01% | 20,000× | 1 in 2,000 | every round | 1 in 4.01 | 19.95× 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 | |
|---|---|---|
| v20 | 96.010% | Active |
Frequently asked
What is the RTP of Odyssey?
Base spins return 96.01% of the amount wagered over the long run, from the published outcome table for version 20. All 3 of its bonus buys return 96.01%.
What is the max win in Odyssey and how likely is it?
The top payout is 20,000× the base bet. On a base spin it lands 1 in 1,000,005 spins. In the Buy Calme buy (100×) 20,000× lands 1 in 10,000 buys.
Does Odyssey have a bonus buy, and what does it cost?
Yes, 3 buy modes. Buy Calme: 100× the base bet, 96.01% RTP, an expected cost of 3.99× the base bet per buy. Buy Super: 250× the base bet, 96.01% RTP, an expected cost of 9.98× the base bet per buy. Buy Mystery: 500× the base bet, 96.01% RTP, an expected cost of 19.95× the base bet per buy.
Is Odyssey high or low volatility?
High. Its base-mode standard deviation is 27.1× 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.
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