Play the Big Bass Halloween demo for free
Try the Big Bass Halloween demo below before you read the review. It is a free slot you can play for free with no real money at stake, so it is a safe way to try before you play for real. 18+ only.
Big Bass Halloween is a spooky Pragmatic Play slot from the Reel Kingdom studio that puts the Big Bass fisherman in a Halloween setting. It uses five reels, three rows and ten paylines, and its bonus is a retriggerable free spins round with rising multipliers. You can play the Big Bass Halloween demo for free at the top of this page.
This review covers the RTP figures reported, the volatility rating that sources describe in several ways, the 2,100x maximum win in pounds, the free spins and the few statistics that only one source gives. It sits with our other Big Bass slots reviews and our Pragmatic Play slots hub, and it shares its win cap with our Big Bass Bonanza review.
Big Bass Halloween at a glance
| Detail | Figure |
|---|---|
| Provider | Pragmatic Play (built by Reel Kingdom) |
| Released | 23 October 2023 |
| Layout | 5 reels, 3 rows, 10 paylines |
| RTP | 96.06% (96.04% also reported) |
| Volatility | Disputed: sources say medium, medium to high and high |
| Maximum win | 2,100x the stake |
| Stakes | From 10p, with the top stake reported as £5 or 250 |
| Free spins | 10, 15 or 20 for 3, 4 or 5 scatters |
| Bonus buy | Reported by two sources, with no cost given |
| Hit frequency | 1 in 3.7 spins (one source, unconfirmed) |
| Free spins frequency | 1 in 147 spins (one source, unconfirmed) |
Overview
One reviewer calls it basically a spooky version of the original Big Bass Bonanza, with the same 2,100x cap but a lower RTP. That is a fair description. The setting is Halloween, but the structure of the game is the collection round that the series is known for.
Reviewers are lukewarm on the cap. Two of them list the 2,100x maximum win as a weakness, one calling it very low compared with the rest of the franchise, and another says it might disappoint fans of high volatility. Those are fair points, and the game sits at the lower end of the series for potential.
How to play and stakes
The game is played on five reels and three rows with ten fixed paylines. Stakes start at 10p, which sources agree on. The top stake is reported as 250 by two sources and £5 by one. The £5 figure is likely to reflect what UK operators allow, but we cannot confirm which applies at a given casino, so check the game information screen before you play.
Wins come from matching symbols on the paylines, with fish scatters triggering the free spins. One source says that switching on the ante bet disables the bonus buy, which is worth knowing if you plan to use either.
RTP and the versions you may meet
Most sources list the RTP at 96.06%, and one says that figure applies equally to the base game, the ante bet and the bonus buy. A couple of sources give 96.04%, which looks like a slightly different version or a rounding difference. One aggregator listing shows 94.35% alongside a 787,500x max win, which does not match any other source and which we have not used.
Operators can choose which version to run, so the percentage you see here is a reference point and not a promise about the version at your casino. The RTP describes the long-run return across a very large number of spins and tells you little about a short session.
Volatility
Volatility is the least settled figure. One source says the studio’s own sheet marks it as medium, while the in-game display shows high. Others say medium to high and one gives 4 out of 5. Another source lists it as plain medium and a fourth says high.
Our reading is that it is a medium to high game, less extreme than later Big Bass slots. A source comparing it with Big Bass Halloween 3 says the later game raises the volatility to very high, which supports that reading.
Max win and what it is worth in pounds
The maximum win is 2,100x the stake according to nearly every source. One source says 2,000x in its summary, which looks like a rounding of the same figure. The aggregator figure of 787,500x mentioned above does not match anything else, and we have not used it.
In pounds, 2,100x is £210 on a 10p stake, £2,100 on a £1 stake and £10,500 on a £5 stake. That is simple multiplication, not a figure from the studio.
Free spins and multipliers
Landing 3, 4 or 5 fish scatters awards 10, 15 or 20 free spins. One source says each scatter beyond the third adds five spins. The round can be retriggered, and extra spins come with rising multipliers.
Sources disagree on how high the multiplier goes. One says up to 3x, and another says retriggerable free spins with escalating multipliers up to 10x. We have therefore not stated a cap. The in-game rules are the reliable source.
Bonus buy and ante bet
A bonus buy is reported by two sources, and one of them says the ante bet disables it. No source we checked gives a cost, so we do not state one. Availability can vary by casino and region, so check the game information screen.
Symbols and paytable
The sources mention fish scatter symbols and a Halloween theme. We have not listed other symbols or paytable values, because the sources we checked do not publish them in a form we could verify. The paytable inside the game is the reliable source for symbol payouts at your stake.
Hit frequency and win rate
One source gives a hit frequency of 1 in 3.7 spins and a free spins frequency of 1 in 147 spins. No second source confirms either, so treat them as indicative. A hit frequency that high, if correct, would mean frequent small wins, which fits a medium volatility rating.
These are long-run averages. They do not predict what the next hundred spins will do.
Is Big Bass Halloween enjoyable? Our verdict
Big Bass Halloween is an acceptable seasonal entry that mostly suits series completists. The spooky theme is cheerful, the free spins are familiar and the volatility looks gentler than later Big Bass slots. The 2,100x cap and a slightly lower RTP than the original are the main drawbacks.
If you want a bigger ceiling, our Big Bass Mission Fishin’ review covers a 5,000x slot, and our Big Bass Christmas Bash review covers another seasonal one. Gambling should be fun and 18+ only. Set limits before you play.
Pros and cons
Pros
- A gentler volatility than later Big Bass slots.
- A retriggerable free spins round with rising multipliers.
- A seasonal theme on a familiar mechanic.
Cons
- A 2,100x max win is low for the series.
- The RTP is a little below the original Big Bass Bonanza.
- Sources disagree on volatility and the multiplier cap.
Big Bass Halloween FAQ
What is the RTP of Big Bass Halloween?
Most sources list 96.06%. A couple list 96.04%. Operators can choose which version to run, so check the game information at your casino.
How volatile is Big Bass Halloween?
Sources disagree. They say medium, medium to high or high. Expect a gentler game than later Big Bass slots.
What is the maximum win on Big Bass Halloween?
2,100x the stake. That is £210 at a 10p stake and £10,500 at a £5 stake.
What are the stakes on Big Bass Halloween?
Stakes start at 10p. The top stake is reported as £5 or 250, so check your casino for the limit that applies.
How does the free spins bonus start?
Landing 3, 4 or 5 fish scatters awards 10, 15 or 20 free spins.
How high can the multiplier go?
Sources disagree. One says up to 3x and another says up to 10x, so check the in-game rules.
Is there a bonus buy on Big Bass Halloween?
Two sources say yes and one says the ante bet disables it. No cost is given in the sources we checked.
How often does Big Bass Halloween pay?
One source gives a hit frequency of 1 in 3.7 spins and free spins about 1 in 147 spins. Neither is confirmed elsewhere.
When was Big Bass Halloween released?
23 October 2023, according to three sources.
Is Big Bass Halloween the same as Big Bass Halloween 3?
No. One source says the later game has very high volatility and a 5,000x cap, against 2,100x here.
Can I play the Big Bass Halloween demo for free?
Yes. The Big Bass Halloween demo at the top of this page is free to play and uses no real money. It is for over-18s only. A short demo session tells you little about the long-run return that the RTP describes.
Is there a free play version of Big Bass Halloween for UK players?
The free demo above is the free play version, so you can try before you play for real. Check the game information at your casino for the RTP version and stake limits that apply to you.
How we checked the figures
- RTP versions, volatility, max win, stakes and features: OLBG, FreeSlots99, Slot Gods, DemoSlot and BF1 game pages, compared for conflicts and read on 5 October 2026.
- Hit frequency and free spins frequency: BF1 only. Bonus buy: BF1 and FreeSlots99. Two aggregator listings with a 787,500x max win and a 94.35% RTP were not used.
- Where sources disagree we say so. The Pragmatic Play game page was not used for any figure, so none is confirmed with the studio.
- Maximum win in pounds is 2,100 multiplied by the stake.
