Crop Circles slot: RTP and max win
Crop Circles is a high-volatility slot by Karma on Stake Engine, released 29 Sep 2026. Its base game returns 95.95%, 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 399,998 spins. It has 4 bonus buys priced at 100× to 300× the bet; the best returns 96.05%, so each buy costs 3.95× the bet on average over the long run. It is the No. 3749 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× | 95.95% | 20,000× | 1 in 399,998 | 1 in 4.19 | 1 in 35 | 0.04× base | Simulate |
| Boost | Boosted spin | 2.00× | 95.95% | 20,000× | 1 in 200,000 | 1 in 4.17 | 1 in 40 | 0.08× base | Simulate |
| Hyper Boost | Boosted spin | 10× | 95.95% | 20,000× | 1 in 57,138 | 1 in 3.93 | 1 in 23 | 0.40× base | Simulate |
| Free Spins | Bonus buy | 100× | 96.05% | 20,000× | 1 in 8,190 | every round | 1 in 15 | 3.95× base | Simulate |
| Instant Frame | Bonus buy | 250× | 96.05% | 20,000× | 1 in 11,675 | 1 in 1.25 | 1 in 9.27 | 9.87× base | Simulate |
| Mystery | Bonus buy | 300× | 96.05% | 20,000× | 1 in 8,166 | 1 in 1.82 | 1 in 7.31 | 11.86× base | Simulate |
| Super Free Spins | Bonus buy | 300× | 96.05% | 20,000× | 1 in 7,711 | every round | 1 in 7.84 | 11.86× base | Simulate |
Work out the cost of Crop Circles 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 | 95.951% | Active |
Frequently asked
What is the RTP of Crop Circles?
Base spins return 95.95% of the amount wagered over the long run, from the published outcome table for version 2. All 4 of its bonus buys return 96.05%.
What is the max win in Crop Circles and how likely is it?
The top payout is 20,000× the base bet. On a base spin it lands 1 in 399,998 spins. In the Free Spins buy (100×) 20,000× lands 1 in 8,190 buys.
Does Crop Circles have a bonus buy, and what does it cost?
Yes, 4 buy modes. Free Spins: 100× the base bet, 96.05% RTP, an expected cost of 3.95× the base bet per buy. Instant Frame: 250× the base bet, 96.05% RTP, an expected cost of 9.87× the base bet per buy. Mystery: 300× the base bet, 96.05% RTP, an expected cost of 11.86× the base bet per buy. Super Free Spins: 300× the base bet, 96.05% RTP, an expected cost of 11.86× the base bet per buy.
Is Crop Circles high or low volatility?
High. Its base-mode standard deviation is 48.0× 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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