Crypto Fever slot: RTP and max win
Crypto Fever is a medium-volatility slot by Ovryx Gaming on Stake Engine, released 22 Jun 2026. Its base game returns 95.75%, 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 2,228,910 spins. It has 6 bonus buys priced at 25× to 1,000× the bet; the best returns 96.01%, so each buy costs 20× the bet on average over the long run. It is the No. 3142 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 v6. "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× | 95.75% | 20,000× | 1 in 2,228,910 | 1 in 1.59 | 1 in 2.82 | 0.04× base | Simulate |
| Enchanted | Boosted spin | 3.00× | 95.75% | 20,000× | 1 in 2,172,261 | 1 in 1.40 | 1 in 2.74 | 0.13× base | Simulate |
| Enchanted5 | Boosted spin | 5.00× | 95.75% | 20,000× | 1 in 2,107,075 | – | 1 in 3.40 | 0.21× base | Simulate |
| Expand1 | Bonus buy | 25× | 95.75% | 20,000× | 1 in 2,019,200 | – | 1 in 3.31 | 1.06× base | Simulate |
| Expand2 | Bonus buy | 50× | 95.75% | 20,000× | 1 in 2,003,291 | – | 1 in 3.33 | 2.13× base | Simulate |
| Bonus | Bonus buy | 100× | 96.01% | 20,000× | 1 in 2,017,412 | – | 1 in 3.34 | 3.99× base | Simulate |
| Super Bonus | Bonus buy | 300× | 96.01% | 20,000× | 1 in 2,021,765 | – | 1 in 3.33 | 11.97× base | Simulate |
| Ultra Bonus | Bonus buy | 500× | 96.01% | 20,000× | 1 in 3,818,978 | – | 1 in 3.57 | 19.94× base | Simulate |
| Expand Max | Bonus buy | 1,000× | 95.75% | 20,000× | 1 in 1,079,073 | – | 1 in 3.15 | 42.50× base | Simulate |
Work out the cost of Crypto Fever 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 | |
|---|---|---|
| v6 | 95.750% | Active |
| v5 | 95.750% |
Frequently asked
What is the RTP of Crypto Fever?
Base spins return 95.75% of the amount wagered over the long run, from the published outcome table for version 6. Its bonus buys return between 95.75% and 96.01%.
What is the max win in Crypto Fever and how likely is it?
The top payout is 20,000× the base bet. On a base spin it lands 1 in 2,228,910 spins. In the Ultra Bonus buy (500×) 20,000× lands 1 in 3,818,978 buys.
Does Crypto Fever have a bonus buy, and what does it cost?
Yes, 6 buy modes. Expand1: 25× the base bet, 95.75% RTP, an expected cost of 1.06× the base bet per buy. Expand2: 50× the base bet, 95.75% RTP, an expected cost of 2.13× the base bet per buy. Bonus: 100× the base bet, 96.01% RTP, an expected cost of 3.99× the base bet per buy. Super Bonus: 300× the base bet, 96.01% RTP, an expected cost of 11.97× the base bet per buy. Ultra Bonus: 500× the base bet, 96.01% RTP, an expected cost of 19.94× the base bet per buy. Expand Max: 1,000× the base bet, 95.75% RTP, an expected cost of 42.50× the base bet per buy.
Is Crypto Fever high or low volatility?
Medium. Its base-mode standard deviation is 20.6× the bet, which puts it in the middle 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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