Blackjack 100 slot: RTP and max win
Blackjack 100 is a low-volatility slot by LK7 on Stake Engine, released 25 May 2026. Its base game returns 96.05%, above the median Engine slot (96.02%) and higher than 51% of them. The top payout is 100× the bet; from a base spin it lands about once every 1,000 spins. It is the No. 466 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 v17. "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× | 96.05% | 100× | 1 in 1,000 | 1 in 2.16 | 1 in 2.16 | 0.04× base | Simulate |
| Base Doff Saa | Base spin | 1.00× | 96.05% | 100× | 1 in 1,000 | 1 in 2.16 | 1 in 2.16 | 0.04× base | Simulate |
| Base Doff Saa88 | Base spin | 1.00× | 96.05% | 100× | 1 in 1,000 | 1 in 2.16 | 1 in 2.16 | 0.04× base | Simulate |
| Base Doff Saa882277 | Base spin | 1.00× | 96.05% | 100× | 1 in 1,000 | 1 in 2.16 | 1 in 2.16 | 0.04× base | Simulate |
| Base Doff Sall | Base spin | 1.00× | 96.05% | 100× | 1 in 1,000 | 1 in 2.16 | 1 in 2.16 | 0.04× base | Simulate |
| Base Doff Sno10 | Base spin | 1.00× | 96.05% | 100× | 1 in 1,000 | 1 in 2.16 | 1 in 2.16 | 0.04× 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 | |
|---|---|---|
| v17 | 96.050% | Active |
| v14 | 96.050% |
Frequently asked
What is the RTP of Blackjack 100?
Base spins return 96.05% of the amount wagered over the long run, from the published outcome table for version 17. All 6 modes return 96.05%.
What is the max win in Blackjack 100 and how likely is it?
The top payout is 100× the base bet. On a base spin it lands 1 in 1,000 spins.
Does Blackjack 100 have a bonus buy?
No. None of its published modes costs 20× the base bet or more.
Is Blackjack 100 high or low volatility?
Low. Its base-mode standard deviation is 3.3× 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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