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Play’n GO · Slot Review

Bubblin’ Riches — Full Review & Free Demo

3.1/5
Play for Real →
RTP
96.20%
Volatility
High
Max Win
10,000x
Provider
Reels
6
Paylines
4096
Bet Range ($,€,£)
0.10 - 100
Rating
3.1/5
Released
Oct 2025

Bubblin' Riches Slot Overview

Bubblin' Riches is an underwater-themed slot from Play'n GO played on a 6-reel, 4-row grid with 4,096 ways to win. Picture cheerful cartoon fish, colourful corals and bubbles lazily floating upward. Cute? Absolutely. I'd describe the whole vibe as "Finding Nemo meets a fruit machine." RTP sits at 96.20% with medium-high volatility, and stakes run from 10p up to 100 quid a spin.

Honestly, the theme is a bit generic. Loads of fish slots already exist and this one doesn't exactly reinvent the wheel visually. But it is proper relaxing to look at, and the hit frequency of 28.98% means you're not sat watching empty spins for ages. Max win is 10,000x your bet, which is a decent target.

Symbols and Paytable

Nine regular pay symbols appear on the reels. Low payers are your standard 10 through A card ranks, worth between 1x and 1.4x your bet for six of a kind. Four colourful fish handle the high-paying duties: blue, green, purple and yellow, paying 3x to 5x for a full six-symbol combo. Not massive on their own, but they add up with the multiplier features.

Wilds substitute for all regular symbols and pay 6x for six across a line. Scatters look like a crowned fish king and trigger the Reward Spins round. Then you've got Coin symbols with a shell image; these feed the Goldfish collector above the reels or kick off the Lock'n Gold feature.

Symbol Payouts

icon 1
5x5
4x3
3x2
2x1
icon 2
5x5
4x3
3x1.8
2x1
icon 3
5x3
4x2
3x1.5
2x0.7
icon 4
5x3
4x2
3x1.5
2x0.7
icon 5
5x1.4
4x1
3x0.5
2x0.3
icon 6
5x1.4
4x1
3x0.5
2x0.3
icon 7
5x1
4x0.6
3x0.4
2x0.2
icon 8
5x1
4x0.6
3x0.4
2x0.2
icon 9
5x1
4x0.6
3x0.4
2x0.2
icon 10
Wild
Substitutes for all regular pay symbols and pays 6x for 6 of a kind.
6x6
icon 11
Bonus

Bubblin' Riches Slot Features

Three main features run the show here. First up is the Goldfish collector. Five or fewer Coins get gobbled up by a crowned goldfish sitting above the grid. Once it's eaten enough, it can randomly spit out a Mini (20x), Minor (50x), Major (100x), or Grand (1,000x) prize. Fair warning though: most of the time it just eats the coins and does nothing. A bit frustrating, but when it does pop, it feels great.

Next is Lock'n Gold. Land 6 Coin symbols and you get 3 respins with sticky coins. Each new coin resets respins back to 3. Fill the entire screen and you bag a flat 500x prize regardless of individual coin values. Landing 4 or 5 coins also triggers a helpful respin on empty reels to give you another shot at that sixth coin.

Finally, 3 or more scatters launch the Reward Spins via a Wheel Bonus. The wheel decides your spin count (10 to 30) and starting multiplier (x1 to x5). During the round, wilds can land with x1, x2 or x3 values that add to a rising global multiplier. Extra scatters grant +1 spin each, potentially extending things up to 65 spins total. Coins don't appear during free spins, so the focus shifts entirely to wild multipliers and big combos.

Bonus Buy Options

Bonus Buy Goldfish
Goldfish
Up to 5 Coin symbols are collected by the Goldfish above the grid. It may randomly trigger Mini (20x), Minor (50x), Major (100x), or Grand (1,000x) instant prizes.
Bonus Buy Lock'n Gold
Lock'n Gold
Landing 6 Coin symbols triggers 3 respins with sticky coins. Respins reset when a new coin lands. A full screen of coins awards 500x the bet.
Bonus Buy Reward Spins Bonus
Reward Spins Bonus
3+ scatters trigger a Wheel Bonus that awards 10-30 free spins and a starting multiplier of x1 to x5. Wild multipliers of x1, x2, or x3 add to a rising global multiplier during the round.

RTP, Volatility and Max Win

Default RTP is 96.20%, which is Play'n GO's standard figure. Do check your casino's version though, because lower RTP variants exist at 94.20%, 91.20%, 87.20% and even 84.20%. Volatility is classed as medium-high, so expect some dry patches between decent hits. Max win caps at 10,000x, which realistically comes from a strong Reward Spins session with a high multiplier or a fully loaded Lock'n Gold grid.

Ryan Cole’s Verdict

Final Verdict

Look, Bubblin' Riches is a perfectly fine slot for a chilled session. I'm not entirely sold on the theme; it looks a bit dated compared to what other providers are doing in 2025. And the fact that it's basically a reskin of Tomb of Gold 2 with fish swapped for pharaohs doesn't help the originality score. The base game can drag a bit when the Goldfish keeps swallowing coins without paying out.

Still, the dual bonus system keeps things moving. Having both the coin collection mechanic and scatter-triggered free spins means you're always watching for something. The rising multiplier in Reward Spins is where the real money potential sits, and 4,096 ways on a 6x4 grid gives it proper reach. For a casual evening spin with a cuppa, you could do worse. Just don't expect anything you haven't seen before.
3.1
★★★☆☆
out of 5
✓ Pros
Decent 10,000x max win potential
Dual bonus system keeps sessions active
Rising multiplier in Reward Spins
Cheerful underwater theme; proper relaxing vibe
28.98% hit frequency is fairly generous
✗ Cons
Base game can feel a bit quiet
Essentially a reskin of Tomb of Gold 2
Theme is generic compared to other fish slots
Goldfish collection often triggers nothing
Ryan Cole
Ryan Cole
Lead Casino Slots Analyst
5+ years analysing online slots for the UK market. Every game is played for a minimum of 500 demo spins before publication. No affiliate bias — ever.
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Bubblin’ Riches FAQ
How does the Goldfish collection feature work?
When 5 or fewer Coin symbols land, they get collected by the Goldfish above the grid. It can then randomly trigger an instant payout of 20x, 50x, 100x, or 1,000x your bet. The size of the fish is purely visual and doesn't affect the odds.
What triggers the Lock'n Gold respins and what's the top prize?
Landing 6 Coin symbols triggers Lock'n Gold. You get 3 respins with sticky coins, and respins reset each time a new coin lands. Filling the entire grid awards a flat 500x prize.
How many free spins can you get in the Reward Spins bonus?
A Wheel Bonus decides the number, ranging from 10 to 30 depending on how many scatters triggered it. Extra scatters during the round add +1 spin each, so you can reach a maximum of 65 spins total.
How does the rising multiplier work during Reward Spins?
Wilds land with x1, x2, or x3 values and add that amount to a global multiplier counter. The multiplier applies to all wins for the rest of the round, so it builds throughout the feature.
Are there different RTP versions of Bubblin' Riches?
Yes. The default RTP is 96.20%, but operators can select lower variants at 94.20%, 91.20%, 87.20%, or 84.20%. Always check the paytable at your chosen casino to confirm which version you're playing.