Big Boom
96%
RTP
10,000x
Max Win
Bonus buy options
- Bonus Buy100x bet
- Super Bonus Buy300x bet
- Min Bet
- 0.1
- Max Bet
- 1000
- Release Date
- April 21, 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
Big Boom is a steampunk-themed slot from Uppercut Gaming with an RTP of 96%, medium volatility and a maximum win of 10,000x.
Three Bonus symbols trigger Free Spins, awarding 10 spins. During Free Spins, winning symbols gain a +5x multiplier for each land, and these multipliers persist throughout the feature. If three Bonus symbols land again during Free Spins, you receive 5 additional spins.
Four Bonus symbols trigger Super Bonus, which awards 10 Free Spins with symbol multipliers starting at a random level.
Bonus Buy costs 100x your bet and grants access to the Free Spins feature. Super Bonus Buy costs 300x your bet and grants access to the Super Bonus feature.
Big Boom 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.
Big Boom RTP Calculator
Big Boom has a theoretical RTP of 96%. Its volatility is Medium, so expect a balanced mix of dry spells and mid-size hits. Its win potential is capped at 10,000x your stake. Use the calculator below to estimate your expected return, variance range and risk of ruin over any number of spins.
Big Boom Variance Simulator
Big Boom sessions can swing far from its 96% average - its volatility is rated Medium. 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 Big Boom
An RTP of 96% means Big Boom is built to pay back around 96 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 Big Boom's house edge is about 4% of everything you wager - roughly 4 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 96% 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 Big Boom. Use the variance simulator above to test a cautious versus an aggressive bankroll and see how often each survives your target number of spins.
