Captain Lock slot: RTP and max win
Captain Lock is a high-volatility slot by Group P on Stake Engine, released 22 Jul 2026. Its base game returns 95.40%, below the median Engine slot (96.02%). The top payout is 25,000× the bet, bigger than 81% of Engine slots; from a base spin it lands about once every 9,460,738 spins. It has 3 bonus buys priced at 100× to 800× the bet; the best returns 95.40%, so each buy costs 4.60× the bet on average over the long run. It is the No. 3064 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 v16. "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× | 95.40% | 25,000× | 1 in 9,460,738 | 1 in 3.94 | 1 in 6.22 | 0.05× base | Simulate |
| Bonus | Bonus buy | 100× | 95.40% | 25,000× | 1 in 8,318 | 1 in 1.13 | 1 in 4.98 | 4.60× base | Simulate |
| Bonus Plus | Bonus buy | 300× | 95.40% | 25,000× | 1 in 8,045 | 1 in 1.12 | 1 in 4.16 | 13.80× base | Simulate |
| World Cup | Bonus buy | 800× | 95.40% | 25,000× | 1 in 1,001 | – | 1 in 3.60 | 36.80× base | Simulate |
Work out the cost of Captain Lock 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 | |
|---|---|---|
| v16 | 95.400% | Active |
Frequently asked
What is the RTP of Captain Lock?
Base spins return 95.40% of the amount wagered over the long run, from the published outcome table for version 16. All 3 of its bonus buys return 95.40%.
What is the max win in Captain Lock and how likely is it?
The top payout is 25,000× the base bet. On a base spin it lands 1 in 9,460,738 spins. In the Bonus buy (100×) 25,000× lands 1 in 8,318 buys.
Does Captain Lock have a bonus buy, and what does it cost?
Yes, 3 buy modes. Bonus: 100× the base bet, 95.40% RTP, an expected cost of 4.60× the base bet per buy. Bonus Plus: 300× the base bet, 95.40% RTP, an expected cost of 13.80× the base bet per buy. World Cup: 800× the base bet, 95.40% RTP, an expected cost of 36.80× the base bet per buy.
Is Captain Lock high or low volatility?
High. Its base-mode standard deviation is 25.5× 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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