Ancient Rus slot: RTP and max win
Ancient Rus is a low-volatility slot by AK Games on Stake Engine, released 3 Sep 2026. Its base game returns 96.70%, above the median Engine slot (96.02%) and higher than 86% of them. The top payout is 10,000× the bet; from a base spin it lands about once every 10,000,000 spins. It has 3 bonus buys priced at 300× to 1,000× the bet; the best returns 96.70%, so each buy costs 9.90× the bet on average over the long run. It is the No. 3620 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 v28. "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× | 96.70% | 10,000× | 1 in 10,000,000 | 1 in 3.44 | 1 in 7.79 | 0.03× base | Simulate |
| Ante | Boosted spin | 2.00× | 96.70% | 10,000× | 1 in 5,000,000 | 1 in 3.38 | 1 in 8.91 | 0.07× base | Simulate |
| Feature | Boosted spin | 14× | 96.70% | 10,000× | 1 in 740,741 | 1 in 3.44 | 1 in 9.89 | 0.45× base | Simulate |
| Bonus | Bonus buy | 300× | 96.70% | 10,000× | 1 in 33,333 | – | 1 in 2.92 | 9.90× base | Simulate |
| Koschei | Bonus buy | 600× | 96.70% | 10,000× | 1 in 16,667 | every round | 1 in 2.80 | 19.80× base | Simulate |
| Makosh | Bonus buy | 1,000× | 96.70% | 10,000× | 1 in 10,000 | every round | 1 in 2.85 | 33.00× base | Simulate |
Work out the cost of Ancient Rus 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 | |
|---|---|---|
| v28 | 96.700% | Active |
Frequently asked
What is the RTP of Ancient Rus?
Base spins return 96.70% of the amount wagered over the long run, from the published outcome table for version 28. All 3 of its bonus buys return 96.70%.
What is the max win in Ancient Rus and how likely is it?
The top payout is 10,000× the base bet. On a base spin it lands 1 in 10,000,000 spins. In the Bonus buy (300×) 10,000× lands 1 in 33,333 buys.
Does Ancient Rus have a bonus buy, and what does it cost?
Yes, 3 buy modes. Bonus: 300× the base bet, 96.70% RTP, an expected cost of 9.90× the base bet per buy. Koschei: 600× the base bet, 96.70% RTP, an expected cost of 19.80× the base bet per buy. Makosh: 1,000× the base bet, 96.70% RTP, an expected cost of 33.00× the base bet per buy.
Is Ancient Rus high or low volatility?
Low. Its base-mode standard deviation is 6.1× 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.
Slots with similar math to Ancient Rus
Matched on volatility, max win, RTP and whether there's a bonus buy. Not on theme.
Twilight RaidersLlamaplay RTP96.65%Max win10,000×Volatility
Chroma RichKantePlay RTP96.69%Max win10,000×Volatility
The RobbitByte Stake Interactive RTP96.70%Max win10,200×Volatility
Beach BabeStitch And Glitch Studio RTP96.70%Max win10,000×Volatility
Vice Heat CatAK Games RTP96.30%Max win10,000×Volatility
Doomsday Prepper RichHyperlux Studios RTP96.50%Max win10,000×Volatility