Matt Brown
Big Bass is back, and this time he’s in the ring. Don’t worry, we didn’t see this one coming, either.
In Big Bass Boxing Bonus Round, Reel Kingdom and Pragmatic Play tag-team deliver an extremely high-octane slot where knockout punches come in the form of wild multipliers, money symbols, and escalating bonus rounds. This is a follow-up to the iconic series that trades fishing rods for boxing gloves and ups the intensity with every single spin.
If you’re looking for something a bit familiar yet supercharged, this slot’s got hands — and they hit hard.
Rules of the Ring — Core Gameplay and Layout
Big Bass Boxing Bonus Round plays out across 5 reels and 3 rows with 10 paylines. At its core, it’s built on a traditional slot structure but overlays it with a feature-packed progression.
You can land big wins by matching symbols like boxing gloves, boots, skipping ropes, and the usual low-paying letters and numbers. It’s accessible to nearly all players with a minimum bet starting at 0.10 SC and topping out at 250 SC. However, with the Ante Bet feature active, that ceiling rises to 375 SC which is truly wild.
Volatility is very high, so don’t expect small, frequent wins as this one’s about pacing yourself until you land the big blows. Speaking of which, the max win stands at a hefty 5,000x your bet. That’s enough for a championship belt, but still not as big as some of the other games we’ve tried lately.
Triggering Free Spins and Levelling Up
The main event in this game is the free spins feature. Land 3+ golden bass boxers which are the scatter symbols and you’ll get 15, 20, or 25 free spins. Once inside, things get a little more tactical. Every time a blue or red wild lands, it not only collects any visible money symbols on the reels but also helps progress a meter for even bigger wins down the line.
That meter is where the strategy builds. For every 4 wilds you get, you’ll get 10 more free spins. And on top of that, the wild’s win multiplier increases at different levels—
- First level: 2x multiplier
- Second level: 3x multiplier
- Final level: 10x multiplier
You can only reach that final level if you keep landing wilds back-to-back. There’s a real push-and-pull between hope and execution during this sequence. You need to land those wilds or miss out on the high multipliers altogether. So, the goal here is to get as many wilds as possible.
Money Symbols — The Payoff Punches
Money symbols can show up with values all the way up to 5,000x the bet. That’s not an exaggeration, either. When you land a wild at the same time as money symbols, it collects the visible amounts and applies the multiplier level you’re on. This is pretty simple and straightforward, but it’s essentially your chance to throw a haymaker and finish the round strong.
And the system keeps that intensity alive by distributing money symbols liberally across the board. This is especially true during the bonus feature.
Buy Features and Betting Tools
If you’re rather impatient, there are 2 different ways to shortcut your way into the feature round—
- Buy Free Spins (100x). Takes you straight into the base bonus round.
- Buy Super Free Spins (300x). Starts you with an active high volatility setup and faster access to those higher multipliers, though it’s a bit expensive to get into.
Both options are available instantly from the base game, and they allow experienced players to dive straight into the action without waiting for a natural trigger. If you like to bet aggressively and put your coins on the line, the Ante Bet switch is another tool you can toggle to boost your chances of hitting features faster.
Visuals, Sound, and Energy
As with all of the Big Bass games, the presentation deserves credit as well. The boxing ring is lit with dramatic spotlights, a roaring crowd ambiance, and an announcer’s voice that calls you into the action. The 2 main characters — cartoonish boxers with exaggerated features that are characteristic of the series — stand in their respective corners throughout, giving the game some personality.
Symbols bounce with impact and wins hit with animated flair. That’s part of the charm. On top of that, the soundtrack has the energy of a late-night fight on pay-per-view. It’s loud but in a good way.
Stats and Technical Performance
Here’s a quick look at the numbers behind the game:
- Max Multiplier: 5,000x
- Base Game Hit Frequency: 1 in 7.7
- Free Spins Hit Frequency: 1 in 113
- >1,000x Win Odds: 1 in 168,833
- Max Win Odds: 1 in 2,544,391
It’s not easy to land those gigantic wins, but they’re absolutely built into the math model. Even the small wins are few and far between with 1 in 7.7 being one of the smaller frequencies we’ve seen. The high volatility means that long dry spells are possible, but they’re offset by the occasional big combo of money symbols and wilds. If you’re like us, you’ll want to skip the base game and jump into the free spins modes.
Why This Game Works
Big Bass Boxing Bonus Round is what happens when a successful formula gets an adrenaline shot and a total spinoff. Everything here is designed to keep your attention on the next spin — the next wild, the next prize, the next level. There’s a clear progression with this game, just like the rest of the Big Bass series as it has measurable goals and a good rhythm between setup and payoff.
By adding in red and blue wilds with independent meters, Reel Kingdom has layered just enough complexity into what is otherwise a classic format. You’re never more than a few spins away from potentially upgrading your entire bonus round.
And when you finally reach the 10x multiplier and a screen of money symbols lines up with a wild? That’s when it feels less like a slot and more like a title fight win.
The best part is if you’re already a fan of the Big Bass series, this is one of the best iterations to date. The boxing theme gives it a bit more of a visual punch, and the leveling-up mechanic turns every free spin round into a progressive journey. It’s not just another Big Bass clone — it’s a strategic expansion that rewards calculated risks.
You’ll have to survive some tough rounds to see the best this game has to offer, but if you’re patient, calculated, and play smart, the reward potential is worth the effort.
Big Bass Boxing Bonus Round might just be the knockout hit of 2025, but time will tell with that.
