Tumble Dry slot: RTP and max win
Tumble Dry is a low-volatility slot by Whitecap Games on Stake Engine, released 7 Sep 2026. Its base game returns 93.00%, below the median Engine slot (96.02%). The top payout is 30,000× the bet, bigger than 83% of Engine slots; from a base spin it lands about once every 190,309,409,047 spins. It has 4 bonus buys priced at 100× to 500× the bet; the best returns 93.00%, so each buy costs 7.00× the bet on average over the long run.
Every mode, side by side
Costs are multiples of the base bet. Odds come from the published outcome table for v1. "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× | 93.00% | 30,000× | 1 in 190,309,409,047 | 1 in 4.17 | 1 in 16 | 0.07× base | Simulate |
| Boosted | Boosted spin | 2.00× | 93.00% | 30,000× | 1 in 102,436,425,245 | 1 in 3.85 | 1 in 12 | 0.14× base | Simulate |
| 3scatter | Bonus buy | 100× | 93.00% | 30,000× | 1 in 16,327,568 | – | 1 in 4.16 | 7.00× base | Simulate |
| Specialspin | Bonus buy | 200× | 93.00% | 30,000× | 1 in 398,698,637 | – | 1 in 4.45 | 14.00× base | Simulate |
| 4scatter | Bonus buy | 250× | 93.00% | 30,000× | 1 in 3,896,740 | – | 1 in 3.62 | 17.50× base | Simulate |
| 5scatter | Bonus buy | 500× | 93.00% | 30,000× | 1 in 3,723,735 | – | 1 in 3.22 | 35.00× base | Simulate |
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 | |
|---|---|---|
| v1 | 93.000% | Active |
Frequently asked
What is the RTP of Tumble Dry?
Base spins return 93.00% of the amount wagered over the long run, from the published outcome table for version 1. All 4 of its bonus buys return 93.00%.
What is the max win in Tumble Dry and how likely is it?
The top payout is 30,000× the base bet. On a base spin it lands 1 in 190,309,409,047 spins. In the 3scatter buy (100×) 30,000× lands 1 in 16,327,568 buys.
Does Tumble Dry have a bonus buy, and what does it cost?
Yes, 4 buy modes. 3scatter: 100× the base bet, 93.00% RTP, an expected cost of 7.00× the base bet per buy. Specialspin: 200× the base bet, 93.00% RTP, an expected cost of 14.00× the base bet per buy. 4scatter: 250× the base bet, 93.00% RTP, an expected cost of 17.50× the base bet per buy. 5scatter: 500× the base bet, 93.00% RTP, an expected cost of 35.00× the base bet per buy.
Is Tumble Dry high or low volatility?
Low. Its base-mode standard deviation is 6.2× 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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