Bubble Up by Pragmatic Play is a high volatility underwater cash collection slot. But there are no fishermen doing the collecting. Instead, you get a cheerful pink octopus, sea creatures, and bubble frames that collect cash values from the reels. It resembles Elk Studios Oxygen slots but with Pragmatic’s usual charm.
The frame feature appears in the base game as well as the free spins bonus round. However, during free spins cash collection is much better with a chance to hit a 10,000x max win.
Bubble Up! Slot Information
| Bubble Up! | Stats |
|---|---|
| Number of Reels and Rows | 6×6 |
| Pay Lines | 40 |
| Minimum Total Bet | £0.20 |
| Maximum Bet | £240 |
| RTP | 96.52% |
| Max Win | 10,000x |
| Bonus Features | Random Frames, Money Symbols and Free Spins, Super Spin |
| Feature Buy Option | Yes (100x) |
Bubble Up uses a 6×6 grid and 40 pay lines. At first glance it may look like a typical Pragmatic cluster pays slot but it isn’t. Wins start on the first reel and continue across adjacent reels from left to right. Betting starts at £0.20 and reaches £240 in the full international version. RTP ranges from 94.51% to 96.52%. And the best part about Bubble Up is the 10,000x max win.
Where To Play Bubble Up
Bubble Up is developed by Pragmatic Play. Below, you can find our recommended UK online casinos for playing Pragmatic’s latest fishing and underwater slots.
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How To Play Bubble Up Free Demo Slot
Bubble Up has a large reel grid, but the gameplay is easy to follow. The base game is mostly about waiting for frames to appear on the reels. Normal pay lines can give you smaller wins, but the cash collections have better win potential. Here’s a quick breakdown of how to play Bubble Up demo slot.
- Set Your Bet and Spin: Choose your bet and spin the 6×6 reels. Matching symbols pay across the 40 paylines.
- Money Symbols: Money Symbols can have values from 0.5x up to the 10,000x Maxi prize.
- Random Frame: Money Symbols inside the frame have their cash values added together and collected as payout.
- Two Frames: If you get overlapping frames they can multiply Money Symbols by up to 10x.
- Free Spins: Land 3, 4, 5, or 6 Scatter symbols to receive 6 Free Spins and up to four modifiers.
Winning Combos & Payouts
Winning combinations need at least three matching symbols on consecutive reels. Every win must begin on reel 1. Bubble Up! uses shells, shrimp, seahorses, starfish, and different coloured fish as the normal paying symbols. The normal symbol values are not all that. Most of the potential will come from catching Money Symbols inside the frames.
- Lower-Paying Symbols: Shells make up most of the lower-paying symbols.
- Higher-Paying Symbols: Shrimp, seahorses, starfish, and fish give better regular payouts up to 25x.
- Money Symbol Line Wins: Money Symbols can also pay on regular line wins, up to 5x.

Special Symbols
Bubble Up! keeps its special symbol selection short, two symbol short even.

Money Symbols
Money Symbols are the red sea creatures with cash values shown on them. Values start at 0.5x and go up to the 10,000x Maxi prize. Note that they can form normal payline wins. But their main value you get when they land inside an active bubble frame. Any values inside the frame are added together and paid.

Free Spins Scatter
The FS Scatter triggers the Free Spins feature. Landing 3, 4, 5, or 6 Scatters awards 6 Free Spins. More Scatters do not give you more starting spins. Instead, they increase the number of modifiers active during the bonus feature.
Ante Bet
Bubble Up! includes an Ante Bet that increases your stake by 50%. When Free Spins trigger, the Ante Bet gives you one more modifier than you would normally receive naturally from the same number of Scatters. So it improves your bonus setup, but every base game spin costs more.
Bonus Buy
The international version includes a 100x Bonus Buy. It immediately triggers the Free Spins feature with at least three Scatters. Bonus Buy is not available at UKGC-licensed casinos.
Super Spins
Bubble Up! has two Super Spin options where these are allowed. Super Spin 1 costs 20x and guarantees one random frame. Super Spin 2 costs 100x and guarantees two random frames. Note that Free Spins cannot trigger during a Super Spin.
Bubble Up Frames and Free Spins
Bubble Up’s features are all about the frames. These can appear randomly in the base game and are guaranteed during free spins. Moreover, in the bonus round, frames are persistent and can grow to cover larger areas of the grid. Frame sizes range from 2×2 up to 6×6. The size and location of the frame are random. So, even a large frame can still miss the best cash symbols, if it lands in the wrong place.
Additionally, second frames can also appear on the same spin. When two frames overlap, cash symbols inside the shared area, receive a win multiplier ranging from 2x – 10x.
Bubble Up Free Spins
Landing 3, 4, 5, or 6 scatters triggers 6 free spins. There are also 4 different bonus modifiers you can trigger for the bonus round. Your number of scatters decides how many modifiers you start with.

Before free spins begin, eight coins appear on the screen. You pick coins until you reveal matching modifier pairs. At least one frame appears on every free spin. So, you have a guaranteed collection on each spin. There are four different modifiers that you can have active:
- More Money Symbols: Adds more cash symbols to the reels.
- More Scatters: Improves your chances of moving along the frame upgrade trail.
- 3×3 Starting Frame: Starts your bonus with a 3×3 frame instead of 2×2.
- Two Frames: Guarantees two frames on every spin.
Frame Upgrade Trail
Scatter symbols that land during free spins are collected on a trail above the reels. Every three scatters expands the frame by one size and awards two extra free spins. The frame can progress from 2×2 up to 6×6.
Conclusion
Bubble Up is a colourful underwater slot with an easy-to-understand collect feature. It’s not your typical fishing slot with a fisherman reeling in fish for wins. But it’s good to see Pragmatic Play make something different from their usual Big Bass games.
The frame upgrade trail also gives you something to progress on. Collecting enough scatters early in the bonus round can upgrade you to full 6×6 frame, which can lead to massive wins. Overall, Bubble Up is a decent cash collection slot with a fun underwater theme. The overlapping frames and expanding bonus frame being the best parts can get you closer to the max win. So, if you want to give it a try, then head on over to our recommended casinos.
Bubble Up FAQs
Yes, you can play the Bubble Up! demo for free. Demo mode lets you test the random frames, Money Symbols, and Free Spins without using real money.
The highest Bubble Up! RTP is 96.52%.
The maximum win is 10,000x. It can be won by collecting the 10,000x Maxi Money Symbol in an active frame.
Land 3, 4, 5, or 6 Scatter symbols to trigger 6 Free Spins. More triggering Scatters give you additional starting modifiers.
A random frame collects all Money Symbols inside it. Two frames can appear together, and Money Symbols in the overlapping area receive a multiplier of up to 10x.
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