Wings of Nightshade slot: RTP and max win
Wings of Nightshade is a high-volatility slot by Calamity Studios on Stake Engine, released 31 Oct 2026. Its base game returns 96.70%, above the median Engine slot (96.02%) and higher than 85% of them. The top payout is 50,000× the bet, bigger than 97% of Engine slots; from a base spin it lands about once every 2,500,001 spins. It has 5 bonus buys priced at 100× to 700× the bet; the best returns 96.70%, so each buy costs 3.30× the bet on average over the long run. It is the No. 4418 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 v4. "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% | 50,000× | 1 in 2,500,001 | 1 in 2.96 | 1 in 21 | 0.03× base | Simulate |
| Guaranteed Bonus | Boosted spin | 10× | 96.70% | 50,000× | 1 in 1,000,000 | 1 in 2.25 | 1 in 8.50 | 0.33× base | Simulate |
| Free Spins | Bonus buy | 100× | 96.70% | 50,000× | 1 in 8,333,361 | – | 1 in 4.42 | 3.30× base | Simulate |
| Mystery | Bonus buy | 100× | 96.70% | 50,000× | 1 in 8,333,397 | 1 in 1.46 | 1 in 4.94 | 3.30× base | Simulate |
| Super Spins | Bonus buy | 300× | 96.70% | 50,000× | 1 in 5,555,582 | – | 1 in 2.32 | 9.90× base | Simulate |
| 20 Free Spins | Bonus buy | 500× | 96.70% | 50,000× | 1 in 3,333,338 | – | 1 in 1.94 | 16.50× base | Simulate |
| Super Max Spins | Bonus buy | 700× | 96.70% | 50,000× | 1 in 2,380,954 | – | 1 in 2.68 | 23.11× base | Simulate |
Work out the cost of Wings of Nightshade 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 | |
|---|---|---|
| v4 | 96.699% | Active |
Frequently asked
What is the RTP of Wings of Nightshade?
Base spins return 96.70% of the amount wagered over the long run, from the published outcome table for version 4. All 5 of its bonus buys return 96.70%.
What is the max win in Wings of Nightshade and how likely is it?
The top payout is 50,000× the base bet. On a base spin it lands 1 in 2,500,001 spins. In the Free Spins buy (100×) 50,000× lands 1 in 8,333,361 buys.
Does Wings of Nightshade have a bonus buy, and what does it cost?
Yes, 5 buy modes. Free Spins: 100× the base bet, 96.70% RTP, an expected cost of 3.30× the base bet per buy. Mystery: 100× the base bet, 96.70% RTP, an expected cost of 3.30× the base bet per buy. Super Spins: 300× the base bet, 96.70% RTP, an expected cost of 9.90× the base bet per buy. 20 Free Spins: 500× the base bet, 96.70% RTP, an expected cost of 16.50× the base bet per buy. Super Max Spins: 700× the base bet, 96.70% RTP, an expected cost of 23.11× the base bet per buy.
Is Wings of Nightshade high or low volatility?
High. Its base-mode standard deviation is 35.7× 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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