Curling cover art

Curling slot: RTP and max win

By Grolo. Released 3 Jun 2026, math version 21.
Low volatilityNo. 6498 most played this monthMini game

Curling is a low-volatility slot by Grolo on Stake Engine, released 3 Jun 2026. The top payout is 25,000× the bet. It has 32 bonus buys priced at 100× the bet; the best returns 96.50%, so each buy costs 3.50× the bet on average over the long run. It is the No. 6498 most played Engine slot over the last 30 days.

Base RTP
96.50%
catalogue figure 96.500%
Max win
25,000×
of the base bet
Max win, base spins
1 in 38
10× top payout per spin
Base spin pays nothing
46.5%
of spins
Players, last 30 days
4
$75 wagered (Engine Insights)
The 25,000× max win can't be reached from base spins in the published math. Base spins top out at 10×.

Every mode, side by side

Costs are multiples of the base bet. Odds come from the published outcome table for v21. "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.

ModeTypeCostRTPMax winMax win oddsPays anythingReturns the costExpected cost per round
Easy 4Base spin1.00×96.50%10×1 in 381 in 1.871 in 1.870.04× base Simulate
Easy 5Base spin1.00×96.50%20×1 in 501 in 2.181 in 2.180.04× base Simulate
Easy 6Base spin1.00×96.50%100×1 in 1471 in 2.001 in 660.04× base Simulate
Easy 7Base spin1.00×96.50%500×1 in 131,7681 in 2.041 in 6.750.04× base Simulate
Hard 4Base spin1.00×96.50%50×1 in 731 in 2.491 in 8.560.04× base Simulate
Hard 5Base spin1.00×96.50%100×1 in 1321 in 2.551 in 1060.04× base Simulate
Hard 6Base spin1.00×96.50%1,000×1 in 119,9831 in 2.631 in 1260.04× base Simulate
Hard 7Base spin1.00×96.50%10,000×1 in 115,2881 in 2.701 in 1150.04× base Simulate
Insane 4Base spin1.00×96.50%250×1 in 33,5121 in 2.701 in 120.04× base Simulate
Insane 5Base spin1.00×96.50%500×1 in 61,8121 in 2.861 in 520.04× base Simulate
Insane 6Base spin1.00×96.50%10,000×1 in 270,8941 in 3.031 in 1070.04× base Simulate
Insane 7Base spin1.00×96.50%25,000×1 in 172,0091 in 3.071 in 750.04× base Simulate
Medium 4Base spin1.00×96.50%25×1 in 621 in 2.261 in 2.260.04× base Simulate
Medium 5Base spin1.00×96.50%50×1 in 1211 in 2.301 in 2.300.04× base Simulate
Medium 6Base spin1.00×96.50%500×1 in 83,1531 in 2.441 in 3.430.04× base Simulate
Medium 7Base spin1.00×96.50%1,000×1 in 33,6921 in 2.501 in 240.04× base Simulate
Easy 4 AccurateBoosted spin3.00×96.50%10×1 in 5.33–1 in 4.180.11× base Simulate
Easy 5 AccurateBoosted spin3.00×96.50%20×1 in 11–1 in 8.470.11× base Simulate
Easy 6 AccurateBoosted spin3.00×96.50%100×1 in 55–1 in 210.11× base Simulate
Easy 7 AccurateBoosted spin3.00×96.50%500×1 in 21,530–1 in 7.170.11× base Simulate
Hard 4 AccurateBoosted spin3.00×96.50%50×1 in 29–1 in 150.11× base Simulate
Hard 5 AccurateBoosted spin3.00×96.50%100×1 in 61–1 in 9.640.11× base Simulate
Hard 6 AccurateBoosted spin3.00×96.50%1,000×1 in 19,028–1 in 100.11× base Simulate
Hard 7 AccurateBoosted spin3.00×96.50%10,000×1 in 37,842–1 in 100.11× base Simulate
Insane 4 AccurateBoosted spin3.00×96.50%250×1 in 108–1 in 1030.11× base Simulate
Insane 5 AccurateBoosted spin3.00×96.50%500×1 in 23,275–1 in 100.11× base Simulate
Insane 6 AccurateBoosted spin3.00×96.50%10,000×1 in 88,235–1 in 390.11× base Simulate
Insane 7 AccurateBoosted spin3.00×96.50%25,000×1 in 62,774–1 in 380.11× base Simulate
Medium 4 AccurateBoosted spin3.00×96.50%25×1 in 14–1 in 120.11× base Simulate
Medium 5 AccurateBoosted spin3.00×96.50%50×1 in 29–1 in 170.11× base Simulate
Medium 6 AccurateBoosted spin3.00×96.50%500×1 in 34,776–1 in 7.900.11× base Simulate
Medium 7 AccurateBoosted spin3.00×96.50%1,000×1 in 63,743–1 in 270.11× base Simulate
Easy 4 BattleBonus buy100×96.50%306×1 in 7191 in 2.001 in 2.003.50× base Simulate
Easy 4 Stones100Bonus buy100×96.50%171×1 in 140–1 in 2.383.50× base Simulate
Easy 5 BattleBonus buy100×96.50%358×1 in 1,5631 in 2.001 in 2.003.50× base Simulate
Easy 5 Stones100Bonus buy100×96.50%210×1 in 152–1 in 2.373.50× base Simulate
Easy 6 BattleBonus buy100×96.50%639×1 in 1,3811 in 2.001 in 2.563.50× base Simulate
Easy 6 Stones100Bonus buy100×96.50%508×1 in 8,173–1 in 3.233.50× base Simulate
Easy 7 BattleBonus buy100×96.50%1,240×1 in 11,1781 in 2.001 in 7.053.50× base Simulate
Easy 7 Stones100Bonus buy100×96.50%1,153×1 in 155,043–1 in 8.713.50× base Simulate
Hard 4 BattleBonus buy100×96.50%573×1 in 1,5001 in 2.001 in 2.963.50× base Simulate
Hard 4 Stones100Bonus buy100×96.50%370×1 in 1,525–1 in 2.783.50× base Simulate
Hard 5 BattleBonus buy100×96.50%716×1 in 3,5761 in 2.001 in 2.943.50× base Simulate
Hard 5 Stones100Bonus buy100×96.50%506×1 in 2,141–1 in 3.273.50× base Simulate
Hard 6 BattleBonus buy100×96.50%2,320×1 in 86,4821 in 2.001 in 9.653.50× base Simulate
Hard 6 Stones100Bonus buy100×96.50%2,177×1 in 32,594–1 in 113.50× base Simulate
Hard 7 BattleBonus buy100×96.50%10,725×1 in 840,1401 in 2.001 in 7.173.50× base Simulate
Hard 7 Stones100Bonus buy100×96.50%10,640×1 in 27,121–1 in 1433.50× base Simulate
Insane 4 BattleBonus buy100×96.50%1,180×1 in 9,8691 in 2.001 in 5.213.50× base Simulate
Insane 4 Stones100Bonus buy100×96.50%1,111×1 in 4,899–1 in 4.683.50× base Simulate
Insane 5 BattleBonus buy100×96.50%1,664×1 in 21,7301 in 2.001 in 7.573.50× base Simulate
Insane 5 Stones100Bonus buy100×96.50%1,211×1 in 5,918–1 in 6.883.50× base Simulate
Insane 6 BattleBonus buy100×96.50%11,208×1 in 672,9571 in 2.001 in 9.623.50× base Simulate
Insane 6 Stones100Bonus buy100×96.50%11,132×1 in 577,097–1 in 153.50× base Simulate
Insane 7 BattleBonus buy100×96.50%25,000×1 in 544,9911 in 2.001 in 133.50× base Simulate
Insane 7 Stones100Bonus buy100×96.50%25,000×1 in 107,982–1 in 7.163.50× base Simulate
Medium 4 BattleBonus buy100×96.50%383×1 in 1,9931 in 2.001 in 2.003.50× base Simulate
Medium 4 Stones100Bonus buy100×96.50%240×1 in 125–1 in 3.403.50× base Simulate
Medium 5 BattleBonus buy100×96.50%453×1 in 1001 in 2.001 in 2.113.50× base Simulate
Medium 5 Stones100Bonus buy100×96.50%312×1 in 451–1 in 2.783.50× base Simulate
Medium 6 BattleBonus buy100×96.50%1,282×1 in 17,5131 in 2.001 in 5.713.50× base Simulate
Medium 6 Stones100Bonus buy100×96.50%1,179×1 in 11,369–1 in 6.213.50× base Simulate
Medium 7 BattleBonus buy100×96.50%2,406×1 in 51,9291 in 2.001 in 8.603.50× base Simulate
Medium 7 Stones100Bonus buy100×96.50%2,149×1 in 66,117–1 in 123.50× base Simulate

Work out the cost of Curling 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.

VersionBase RTP
v2196.500%Active

Frequently asked

What is the RTP of Curling?

Base spins return 96.50% of the amount wagered over the long run, from the published outcome table for version 21. All 32 of its bonus buys return 96.50%.

What is the max win in Curling and how likely is it?

The top payout is 25,000× the base bet. On a base spin the top payout of 10× lands 1 in 38 spins. In the Easy 4 Battle buy (100×) 306× lands 1 in 719 buys.

Does Curling have a bonus buy, and what does it cost?

Yes, 32 buy modes. Easy 4 Battle: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Easy 4 Stones100: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Easy 5 Battle: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Easy 5 Stones100: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Easy 6 Battle: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Easy 6 Stones100: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Easy 7 Battle: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Easy 7 Stones100: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Hard 4 Battle: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Hard 4 Stones100: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Hard 5 Battle: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Hard 5 Stones100: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Hard 6 Battle: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Hard 6 Stones100: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Hard 7 Battle: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Hard 7 Stones100: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Insane 4 Battle: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Insane 4 Stones100: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Insane 5 Battle: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Insane 5 Stones100: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Insane 6 Battle: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Insane 6 Stones100: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Insane 7 Battle: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Insane 7 Stones100: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Medium 4 Battle: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Medium 4 Stones100: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Medium 5 Battle: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Medium 5 Stones100: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Medium 6 Battle: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Medium 6 Stones100: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Medium 7 Battle: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy. Medium 7 Stones100: 100× the base bet, 96.50% RTP, an expected cost of 3.50× the base bet per buy.

Is Curling high or low volatility?

Low. Its base-mode standard deviation is 3.2× 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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