Ancient Fortune slot: RTP and max win
Ancient Fortune is a low-volatility slot by 0A Studios on Stake Engine, released 29 Jul 2026. Its base game returns 96.00%, below the median Engine slot (96.02%). The top payout is 10,000× the bet; from a base spin it lands about once every 15,000,000 spins. It has 3 bonus buys priced at 100× to 500× the bet; the best returns 96.00%, so each buy costs 4.00× the bet on average over the long run. It is the No. 5931 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× | 96.00% | 10,000× | 1 in 15,000,000 | 1 in 2.54 | 1 in 6.82 | 0.04× base | Simulate |
| Chance 2x | Boosted spin | 1.50× | 96.00% | 10,000× | 1 in 15,000,000 | 1 in 2.55 | 1 in 9.85 | 0.06× base | Simulate |
| Chance 5x | Boosted spin | 4.00× | 96.00% | 10,000× | 1 in 15,000,000 | 1 in 2.47 | 1 in 23 | 0.16× base | Simulate |
| Bonus Sticky | Bonus buy | 100× | 96.00% | 10,000× | 1 in 9,900,010 | – | 1 in 3.03 | 4.00× base | Simulate |
| Bonus Super | Bonus buy | 250× | 96.00% | 10,000× | 1 in 9,900,010 | – | 1 in 2.86 | 10.00× base | Simulate |
| Bonus Epic | Bonus buy | 500× | 96.00% | 10,000× | 1 in 9,900,010 | – | 1 in 3.64 | 20.00× base | Simulate |
Work out the cost of Ancient Fortune 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 | |
|---|---|---|
| v2 | 96.000% | Active |
Frequently asked
What is the RTP of Ancient Fortune?
Base spins return 96.00% of the amount wagered over the long run, from the published outcome table for version 2. All 3 of its bonus buys return 96.00%.
What is the max win in Ancient Fortune and how likely is it?
The top payout is 10,000× the base bet. On a base spin it lands 1 in 15,000,000 spins. In the Bonus Sticky buy (100×) 10,000× lands 1 in 9,900,010 buys.
Does Ancient Fortune have a bonus buy, and what does it cost?
Yes, 3 buy modes. Bonus Sticky: 100× the base bet, 96.00% RTP, an expected cost of 4.00× the base bet per buy. Bonus Super: 250× the base bet, 96.00% RTP, an expected cost of 10.00× the base bet per buy. Bonus Epic: 500× the base bet, 96.00% RTP, an expected cost of 20.00× the base bet per buy.
Is Ancient Fortune high or low volatility?
Low. Its base-mode standard deviation is 13.2× 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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