Mr Jack Begins
97%
RTP
15555x
Max Win
Bonus buy options
- DICE SPIN75x bet
- SIGN A CONTRACT200x bet
- RISE TO RICHES400x bet
- DEAL WITH DEVIL600x bet
- Min Bet
- 0.1
- Max Bet
- 1000
- Release Date
- March 16, 2026
A Stake Engine title, so there is no maker demo to embed here. On Stake it can be played without an account as Demo (Fun Play).
About this Slot
Mr Jack Begins is a steampunk-themed slot with a crime and money setting, featuring an RTP of 97%, high volatility and a maximum win of 15,555x.
The Expanding Wild lands on reels 1 to 5 and expands to fill the entire reel. Each Expanding Wild carries a multiplier of 2x, 4x, 6x, 50x or 100x. When multiple Expanding Wilds land on the same spin, their multipliers multiply together.
Scatter symbols on any reel trigger Free Spins. Three Scatters award 8 Free Spins, four Scatters award 12 Free Spins, and five Scatters award 15 Free Spins. Expanding Wilds land more frequently during the bonus round.
Four bonus buy options are available. DICE SPIN costs 75x the bet, SIGN A CONTRACT costs 200x the bet, RISE TO RICHES costs 400x the bet, and DEAL WITH DEVIL costs 600x the bet.
Mr Jack Begins Community RTP
Real RTP estimated from rounds contributed by the community, across all uploaders.
No measurements for this slot yet.
Your archive would be the first.
Mr Jack Begins RTP Calculator
Mr Jack Begins has a theoretical RTP of 97%. Its volatility is High, so expect long dry spells punctuated by rare, large multipliers. Its win potential is capped at 15555x your stake. Use the calculator below to estimate your expected return, variance range and risk of ruin over any number of spins.
Mr Jack Begins Variance Simulator
Mr Jack Begins sessions can swing far from its 97% average - its volatility is rated High. The simulator runs many virtual bankroll runs to estimate the bust rate, typical drawdown and best/worst outcomes over a set number of spins - compare a cautious bankroll against an aggressive one.
All Wins
No wins on this slot yet.
Play on Stake*Frequently asked questions about Mr Jack Begins
An RTP of 97% means Mr Jack Begins is built to pay back around 97 for every 100 wagered over millions of spins. Any single session can land far above or below that - use the RTP calculator on this page to model your own bet size and spin count.
Over the long run Mr Jack Begins's house edge is about 3% of everything you wager - roughly 3 lost per 100 staked. Short sessions vary widely; the calculator above shows the expected loss and variance range for your inputs.
Quite a lot. Because wins cluster around rare big hits, your balance can move far from the 97% average in either direction. The variance simulator above shows typical drawdowns, bust rate and best/worst outcomes for your bankroll.
It depends on your bet size and how long you want to play Mr Jack Begins. Use the variance simulator above to test a cautious versus an aggressive bankroll and see how often each survives your target number of spins.