CELTIC LUCK slot: RTP and max win
CELTIC LUCK is a low-volatility slot by Blackjaw Gaming on Stake Engine, released 24 Oct 2026. Its base game returns 96.70%, above the median Engine slot (96.02%) and higher than 86% of them. The top payout is 20,000× the bet, bigger than 59% of Engine slots; from a base spin it lands about once every 8,000,000 spins. It has 5 bonus buys priced at 25× to 500× the bet; the best returns 96.70%, so each buy costs 0.83× the bet on average over the long run. It is the No. 2930 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× | 96.70% | 20,000× | 1 in 8,000,000 | 1 in 2.66 | 1 in 4.11 | 0.03× base | Simulate |
| Extra Chance | Boosted spin | 2.00× | 96.70% | 20,000× | 1 in 5,000,000 | 1 in 2.50 | 1 in 7.03 | 0.07× base | Simulate |
| Grove | Bonus buy | 25× | 96.70% | 13,388× | 1 in 8,000,002 | – | 1 in 2.50 | 0.83× base | Simulate |
| Super Vault | Bonus buy | 100× | 96.70% | 20,000× | 1 in 1,499,997 | – | 1 in 2.50 | 3.30× base | Simulate |
| Golden Clover | Bonus buy | 300× | 96.70% | 20,000× | 1 in 20,000 | 1 in 2.32 | 1 in 2.32 | 9.90× base | Simulate |
| Grove Super | Bonus buy | 300× | 96.70% | 20,000× | 1 in 150,000 | – | 1 in 2.50 | 9.90× base | Simulate |
| Celtic Epic | Bonus buy | 500× | 96.70% | 20,000× | 1 in 250,000 | – | 1 in 2.50 | 16.50× base | Simulate |
Work out the cost of CELTIC LUCK 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 | 96.700% | Active |
Frequently asked
What is the RTP of CELTIC LUCK?
Base spins return 96.70% of the amount wagered over the long run, from the published outcome table for version 2. All 5 of its bonus buys return 96.70%.
What is the max win in CELTIC LUCK and how likely is it?
The top payout is 20,000× the base bet. On a base spin it lands 1 in 8,000,000 spins. In the Grove buy (25×) 13,388× lands 1 in 8,000,002 buys.
Does CELTIC LUCK have a bonus buy, and what does it cost?
Yes, 5 buy modes. Grove: 25× the base bet, 96.70% RTP, an expected cost of 0.83× the base bet per buy. Super Vault: 100× the base bet, 96.70% RTP, an expected cost of 3.30× the base bet per buy. Golden Clover: 300× the base bet, 96.70% RTP, an expected cost of 9.90× the base bet per buy. Grove Super: 300× the base bet, 96.70% RTP, an expected cost of 9.90× the base bet per buy. Celtic Epic: 500× the base bet, 96.70% RTP, an expected cost of 16.50× the base bet per buy.
Is CELTIC LUCK high or low volatility?
Low. Its base-mode standard deviation is 11.9× 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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