Big Bass Boxing Bonus Round Slot

Launch Date June 23rd, 2025
Software Reel Kingdom
Type of Slot Video slot
Theme
RTP 96.55%
Volatility High
Reels 5
Paylines 10
Scatter Symbols Yes
Bonus Rounds Yes
Free Spins Bonus Rounds Yes
Wild Symbols Yes
Maximum wager (per line) 240
Maximum Jackpot 5000
Progressive Jackpot No
Practice Play Version Available? No
Autoplay Yes

Released in June 2025, Big Bass Boxing Bonus Round marks the 26th title in the hugely popular Big Bass series — and this time, the fisherman swapped his rod for boxing gloves. Developed by Reel Kingdom in collaboration with Pragmatic Play, this instalment retains familiar mechanics, including cash-collecting Wilds, progressive multipliers, and the unmistakable Big Bass rhythm.

What’s new is the setting — a packed boxing arena, heavy floodlights illuminating the boxing ring, cheering crowds, and an upbeat soundtrack. The friendly fisherman takes centre stage, but now he’s landing right and left hooks instead of reeling in fish on his rod and hook.

Technical

Big Bass Boxing Bonus Round continues with the classic 5×3 grid with 10 fixed paylines. It’s a highly volatile slot, and like the rest of the series, the 5,000x max win can be achieved in the bonus round.

The slot is available on desktop and mobile devices from 10p to £250 per spin. The default RTP is 96.50%, which places it above the usual benchmark and lends it more appeal for those who value long-term returns.

Design

Big Bass Boxing Bonus Round shifts the action from peaceful lakes to a noisy boxing gym. It’s still got that familiar Big Bass energy, but now the fisherman’s stepping into the ring — gloves on, beard intact, and still very much the main event. The background features ring lights and water-stained walls, with the sounds of a cheering crowd and energetic music replacing the usual calm and serenity of a fishing trip.

It’s a sharp visual pivot that works because it doesn’t try to overhaul everything — it just gives the series a shot of adrenaline. Fishing and fighting shouldn’t go together, but here, they somehow do.

Symbols

The low-paying symbols are your usual card royals — 10 through A — each styled with a sporty edge to match the gym setting. They are frequent, low-impact, and payout between 5x and 10x for five matching symbols on a payline. They do what they’re here to do: fill the grid, keep the reels moving, and soften the gaps between the bigger hits.

The high values introduce the boxing gear. A red boxing glove sits at the top, awarding 200x for five of a kind. Below that are the boxing boots (100x), a jump rope (75x), and a medic kit (50x).

⭐ Special Symbols

Big Bass Boxing Bonus Round has a combination of special symbols. The Money Symbols are classic Big Bass fish, each with a cash value between 2x and 5,000x. These are not available in the base game and are only active during the free spins.

Scatters are golden fish, and landing three or more triggers the bonus round.

There are two Wilds, red and blue boxers. They both collect Money Symbols during the free spins and fill their respective meters to unlock multipliers and retriggers. It’s the same foundation Big Bass fans are familiar with, just dressed up for fight night.

Gameplay & Features

If you’ve played any of the Big Bass slots, you’ll know exactly what’s coming. There are no new mechanics but the features will be familiar.

Wild Symbol

There are two Wilds that only appear during Free Spin. One is the fisherman with blue boxing gloves, the other in red gloves. Both substitute for regular paying symbols but do not replace Scatters or Money Symbols. Their aim is to collect Money Symbols to fill their respective meters.

Money Symbol

Fish symbols play a dual role. In the base game, they are regular pay symbols. However, during the Free Spins, they also act as Money Symbols, with random cash values that are collected by landing a Wild on the same spin. Cash values include: 2x, 5x, 10x, 15x, 20x, 25x, 50x, 100x, 200x, 500x, and 5,000x the total bet.

Only one condition — you won’t collect a penny from Money Symbols unless a Wild is present during the Free Spins.

Free Spins & Feature Buy

Free Spins are where the Big Bass Boxing Bonus Round comes into play. Landing 3, 4, or 5 Scatters anywhere on the reels awards 15, 20, or 25 free spins, respectively. If only two scatters land, you get a shot at redemption.

There are two possible rescue moves:

✅ A respin may be triggered if both Scatters are positioned above the bottom of the grid. The Scatters drop down one space while the rest of the reels spin.

✅ A random hook may appear, lift a reel, and drop in a third Scatter. It’s not guaranteed, but it keeps the tension alive when you’re one short.

Once the free spins commence, both blue and red Wilds are active on any spin. If a Wild appears, it collects the value of all Money Symbols on the reels, regardless of their position.

Each Wild colour is tracked by its meter. Every fourth Wild of the same colour retriggers the feature and awards 10+ free spins. Each retrigger also upgrades the multiplier for future collections.

⚡ Feature Buy (Non-UK)

In non-UK markets, you can trigger the Free Spins round for 100x the bet. There’s a Super Free Spins round for 300x the bet— you only need three red or three blue Wilds instead of four for another 10 free spins.

Verdict

Big Bass Boxing Bonus Round is another bizarre entry in the Big Bass franchise — and that’s saying something. The theme is surreal, even by Big Bass standards, but the fact that it still holds together speaks volumes to how reliable the core mechanics have become. Money collections, progressive multipliers, and dual Wilds do most of the work, and they still land well.

There’s nothing new here that hasn’t already been covered in Big Bass Vegas Double Down Deluxe. It’s a full reskin, right down to the meters, modifiers, and max win. However, the dual Wild system remains one of the stronger implementations in the series, and when the multipliers hit, the bonus round delivers.

That said, the volatility is high, and the 5,000x cap might feel somewhat underwhelming for anyone expecting something more ambitious from such a chaotic setup. The theme will split opinion — some will enjoy the absurdity, while others won’t see the point. Either way, it’s not dull. Just don’t expect it to break new ground.

FAQS

🎰 What is the RTP of Big Bass Boxing Bonus Round?

The default RTP is 96.50%, but other versions are available.

🎰 How volatile is Big Bass Boxing Bonus Round?

It’s highly volatile, with most of the big win potential locked in the Free Spins feature.

🎰 What is the maximum win in Big Bass Boxing Bonus Round?

The max win is capped at 5,000x the bet.

🎰 How do you trigger the Free Spins?

Landing 3, 4, or 5 Scatters triggers 15, 20, or 25 free spins. Two Scatters can also trigger a respin or hook modifier to help land the third Scatter.

🎰 What are the key features in Big Bass Boxing Bonus Round?

Dual Wilds, Money Symbol collections, progressive multipliers, retrigger meters, random hook modifiers, and optional Feature Buys (outside the UK).

Big Bass Boxing Bonus Round Slot Sites

#1

Unibet

Unibet

Deposit £10 Get £40 *T&C's Apply.

New Players Only.

Explore our Unibet Casino review: over 3,000 slots, 500+ casino games, live dealer tables, crash games, sports betting, and poker. Licensed by the UKGC with fast payouts, top software providers, and 24/7 support.

Deposit £10 and get £40. 18+, New Customers Only, T&Cs Apply  

Visit Site

Unibet Casino has been around since 1997, making it one of the longest-standing names in the business — and it's still going strong. The site is operated by Platinum Gaming Limited and holds a valid licence from the UK Gambling Commission (licence no. 45322) as well as the Gibraltar Regula... Read Unibet review

Slots: Barcrest, Betsoft, Big Time Gaming, Blueprint Gaming, Booming-Games, Bwin.Party, Core Gaming, CryptoLogic, Dreamtech, Elk Studios Software, EveryMatrix Software, Evolution Gaming, EvoPlay Entertainment, Eyecon Pty, Fantasma Games, Fantasma Games, Gaming Realms, Gaming1, Genesis Gaming, Greentube, Hacksaw Gaming, Iron Dog Studio, Jadestone, Light and Wonder, Merkur Gaming, Microgaming, NeoGames, NetEnt, NextGen Gaming, NoLimit City, Novomatic, Play n GO, Playson, Playtech, Push Gaming, QuickSpin, Realistic Games, Red Tiger Gaming, Red7Mobile, Reel Kingdom, Reflex Gaming, Relax Gaming, Skywind Group, Spribe Gaming, Stake Logic, Thunderkick, Wazdan Games, Yggdrasil Gaming

T&C's: 18+. BeGambleAware.org. New Customers Only. Minimum deposit £10. 50x wagering requirement apply. Bonus will expire 30 days after opt-in. Further T&Cs apply #AD

#2

Mega Riches Casino

Mega Riches Casino

100% UP TO £100 + 50 Spins - Deposit required *T&C's Apply.

New Players Only.

Experience over 8,000 games at Mega Riches Casino, operated by Videoslots Ltd. Enjoy top slots, live dealer games, and a welcome bonus. Fully licensed by the UKGC.

£10 first deposit bonus 100% up to £100 + 50 spins.  

Visit Site

Mega Riches Casino, launched in August 2024, is the latest online casino from Videoslots Ltd, the company behind popular sites like Videoslots and Mr Vegas. The UK Gambling Commission fully licenses the site, ensuring a safe and regulated gaming environment for UK players.

The casino is built for p... Read Mega Riches Casino review

Slots: Ainsworth, Aristocrat, Barcrest, BB Games, Betsoft, BGaming, Big Time Gaming, Blueprint Gaming, Core Gaming, CryptoLogic, Dreamtech, Elk Studios Software, Endorphina, Evolution Gaming, Eyecon Pty, Fantasma Games, GameArt, Games Lab, Gaming1, Genesis Gaming, Genii, Greentube, Hacksaw Gaming, High Five, IGT, Iron Dog Studio, iSoftBet, Leap Gaming, Merkur Gaming, Microgaming, NetEnt, NextGen Gaming, NoLimit City, Novomatic, NYX Interactive, OpenBet Ltd, PariPlay Ltd, Play n GO, Playson, Playtech, Push Gaming, QuickSpin, Red Tiger Gaming, Red7Mobile, Reel Kingdom, Reflex Gaming, Relax Gaming, Skywind Group, Slingo, Stake Logic, Synot, Thunderkick, Wazdan Games, Yggdrasil Gaming

T&C's: 18+. Gamble Responsibly. Gambleaware.org The Welcome Offers cannot be used in conjunction with any other bonuses. These Key Terms and Conditions form part of and are an extension of the General Terms and Conditions. If and where there is a conflict between these Terms & Conditions and the General Terms and Conditions which relate specifically to the Welcome Bonus and Welcome Spins, these Key Terms and Conditions will prevail. Mega Riches reserves the right to withdraw or amend this promotion at any time. Minimum deposit £ 10. Opt-in required.

#3

Virgin Games

Virgin Games

Deposit £10 Get 30 Spins *T&C's Apply.

New Players Only.

Virgin Games is a well-established and trusted casino with games from Evolution, NetEnt and IGT. 500+ Slots, jackpots, live casino and table games. Huge progressives such as Rainbow Riches and Monopoly.

#AD Play £10, get 30 Bonus Spins on Double Bubble. New members only, must opt in. Min £10 deposit & wager. 30 day expiry from deposit. 18+. Free Spins: on Double Bubble. 1p coin size, max lines. Bingo: Advertised ticket value based on £1 tickets. Game availability & restrictions apply. ‡ Current Jackpots are across selected games. T&C's Apply  

Visit Site

Virgin Games is operated and licensed by Nozee Ltd, part of Gamesys Operations Limited. Gamesys is registered in Gibraltar, with its principal place of business at Suite 2, Floor 2, Waterport Place, Gibraltar. The site holds dual licences – one from the UK Gambling Commission (with the number ... Read Virgin Games review

Slots: Barcrest, Blueprint Gaming, CryptoLogic, Evolution Gaming, Gamesys, Genesis Gaming, Greentube, High Five, IGT, iSoftBet, Leap Gaming, Microgaming, NetEnt, Play n GO, Playtech, Red Tiger Gaming, Reel Kingdom, Scientific Games, Slingo

T&C's: New members only, must opt in. Min £10 deposit & wager. 30 day expiry from deposit. 18+. Free Spins: on Double Bubble. 1p coin size, max lines. Bingo: Advertised ticket value based on £1 tickets. Game availability & restrictions apply. ‡ Current Jackpots are across selected games. T&C's Apply

#4

Videoslots

Videoslots

100% UP TO £200 + 11 Spins - Deposit required *T&C's Apply.

New Players Only.

Play over 12,000 games at Videoslots — the world’s largest online casino. Enjoy slots, table games, and live casino with fast withdrawals and no-nonsense bonuses.

100% up to £200 + 11 Welcome Spins. (18+ only, T&Cs apply, please gamble responsibly)  

Visit Site

Launched in 2011 and operated by Videoslots Limited, this casino isn’t trying to mislead anyone with a flashy name. It’s called Videoslots, and surprise — it has slots. Lots of them. In fact, with over 12,000 games on offer, it proudly claims the title of the world’s largest ... Read Videoslots review

Slots: Ainsworth, Aristocrat, Barcrest, BB Games, Betsoft, BGaming, Big Time Gaming, Blueprint Gaming, Booming-Games, Core Gaming, CryptoLogic, Dreamtech, Elk Studios Software, Endorphina, Evolution Gaming, Eyecon Pty, Fantasma Games, Fantasma Games, GameArt, Games Lab, Gaming1, Genesis Gaming, Genii, Greentube, Hacksaw Gaming, High Five, IGT, Iron Dog Studio, iSoftBet, Leap Gaming, Merkur Gaming, Microgaming, NetEnt, NextGen Gaming, NoLimit City, Novomatic, NYX Interactive, OpenBet Ltd, PariPlay Ltd, Play n GO, Playson, Playtech, Push Gaming, QuickSpin, Realistic Games, Red Tiger Gaming, Red7Mobile, Reel Kingdom, Reflex Gaming, Relax Gaming, Skywind Group, Slingo, Stake Logic, Synot, Thunderkick, Wazdan Games, Yggdrasil Gaming

T&C's: You will receive 11 welcome spins in a random game upon First Deposit. You have 7 days to activate the bonus, once activated welcome spins must be used within 24 hours. A First deposit is required to play these spins. Welcome Spins are free from any wagering requirement. No maximum withdrawal limits. You must be 18 or over to play and 21 in countries where that is the minimum age by law. Play Responsibly.

#5

Bally Bet

Bally Bet

*T&C's Apply.

New Players Only.

Bally Bet offers a secure UK-licensed platform with popular slots, table games & live casino – all backed by a well-known brand.

Min £10 deposit & wager (excl. sports betting) for 30 free spins.  

Visit Site

Bally Bet is an online gambling platform licensed by the UK Gambling Commission (with the number 38905) and the Gibraltar Licensing Authority (GLA). The casino was launched in 2023 and is operated by Gamesys.

Big on entertainment, big on rewards, big on service - these promises start us off on... Read Bally Bet review

Slots: Big Time Gaming, Blueprint Gaming, Evolution Gaming, Eyecon Pty, Fantasma Games, Gamesys, Greentube, IGT, Light and Wonder, NetEnt, Novomatic, Play n GO, Push Gaming, Red Tiger Gaming, Reel Kingdom, Relax Gaming, Slingo

T&C's: New members only, must opt in. Min £10 deposit & wager Min £10 deposit & wager (excl. sports betting). 30 day expiry from deposit. 18+. Free Spins: on Secrets of the Phoenix Megaways. Spins value: 20p each. Game availability & restrictions apply