Blackjack Max slot: RTP and max win
Blackjack Max is a low-volatility slot by Bolly Studios on Stake Engine, released 28 Oct 2026. Its base game returns 96.05%, above the median Engine slot (96.02%) and higher than 51% of them. The top payout is 50,000× the bet, bigger than 97% of Engine slots. It has 1 bonus buy priced at 100× the bet; the best returns 96.05%, so each buy costs 3.95× the bet on average over the long run. It is the No. 2218 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 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× | 96.05% | 2.50× | 1 in 21 | 1 in 1.97 | 1 in 1.97 | 0.04× base | Simulate |
| Multiplier | Boosted spin | 10× | 96.05% | 50,000× | 1 in 166,667 | 1 in 3.02 | 1 in 3.02 | 0.39× base | Simulate |
| Special | Bonus buy | 100× | 96.05% | 50,000× | 1 in 5,000 | 1 in 6.09 | 1 in 6.09 | 3.95× base | Simulate |
Work out the cost of Blackjack Max 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 | |
|---|---|---|
| v1 | 96.050% | Active |
Frequently asked
What is the RTP of Blackjack Max?
Base spins return 96.05% of the amount wagered over the long run, from the published outcome table for version 1. Its bonus buy returns 96.05%.
What is the max win in Blackjack Max and how likely is it?
The top payout is 50,000× the base bet. On a base spin the top payout of 2.50× lands 1 in 21 spins. In the Special buy (100×) 50,000× lands 1 in 5,000 buys.
Does Blackjack Max have a bonus buy, and what does it cost?
Yes, 1 buy mode. Special: 100× the base bet, 96.05% RTP, an expected cost of 3.95× the base bet per buy.
Is Blackjack Max high or low volatility?
Low. Its base-mode standard deviation is 1.0× 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.
Slots with similar math to Blackjack Max
Matched on volatility, max win, RTP and whether there's a bonus buy. Not on theme.
Tiny TerrorsFortuneCore Games RTP96.00%Max win25,000×Volatility
Fortune RewindTrendyblast Gaming RTP96.01%Max win10,000×Volatility
CASE OPENINGFlux Gaming RTP96.00%Max win10,000×Volatility
Extreme PlinkoBolly Games RTP96.50%Max win50,000×Volatility
10 Card FlipCATNIP STUDIOS RTP96.47%Max win5,000×Volatility
Flappy MultiplierDIJI RTP96.77%Max win24,146×Volatility