Bubble Up! (Pragmatic Play) – Slot Review
Bubble Up! takes players beneath the ocean’s surface into a colourful underwater world filled with tropical sea life, coral reefs, and shimmering bubbles. The bright aquatic setting is complemented by vibrant visuals and cheerful animations, creating a light-hearted atmosphere that contrasts with the game’s high-volatility gameplay. The reels are populated with a variety of marine creatures, including starfish, seashells, shrimp, seahorses, and colourful tropical fish, while the animated bubbles and floating Money Symbols reinforce the underwater theme throughout every spin.
Rather than relying solely on its ocean setting, Bubble Up! integrates the theme directly into its gameplay through the expanding bubble-like frames and floating Money Symbols, which appear to rise through the reels as players collect prizes. Combined with dynamic animations and lively sound effects, Pragmatic Play delivers a fresh and visually engaging underwater adventure that feels both relaxing and packed with potential.
Bubble Up! is played on a 6×6 reel layout featuring 40 fixed pay lines. The game offers high volatility, an RTP of 96.52%, and a maximum win of 10,000x your stake. Bets range from £0.20 to £240 per spin.
Bubble Up! Symbols & Pay Table
There are 12 symbols in total. The low-paying symbols include Yellow Starfish, Pink Starfish, Blue Snail Shells, and Purple Shells, while the premium symbols are represented by Shrimp, Seahorses, Green Fish, Purple Fish, Yellow & Black Fish, and Orange & White Clownfish. The Clownfish is the highest-paying regular symbol, awarding up to 25x for six of a kind across a pay line. Alongside the regular symbols are Money Symbols and Scatter Symbols, with Scatters able to appear on every reel.
Bubble Up! Features & Mechanics
Money Symbols & Random Frames
Every Money Symbol receives a random cash value at the start of each spin. These values can be won if the symbol forms part of a winning combination or lands inside a special frame.
Possible Money Symbol values include:
- 0.5x to 20x
- Mini: 20x
- Minor: 40x
- Major: 80x
- Grand: 200x
- 400x, 800x, 2,000x
- Maxi: 10,000x
During the base game, a random 2×2, 3×3, 4×4, 5×5, or 6×6 frame can appear anywhere on the reels. Occasionally, a second frame may also appear during the same spin.
If two frames overlap and a Money Symbol lands within the overlapping area, that symbol receives a random multiplier of 2x, 3x, 5x, 8x, or 10x, multiplying its displayed value. At the end of the spin, all Money Symbols contained within each frame are added together and paid.
Free Spins Feature
Landing 3, 4, 5, or 6 Scatter Symbols awards 6 Free Spins along with 1, 2, 3, or 4 random modifiers, respectively. Before the feature begins, eight hidden coin icons appear on screen. Revealing two matching icons unlocks a modifier, with the number of modifiers depending on how many Scatters triggered the bonus.
Possible modifiers include:
- Increased Money Symbols on the reels.
- Increased Scatter Symbols during Free Spins.
- The feature begins with the frame already expanded to 3×3.
- Two frames are guaranteed to appear on every Free Spin.
During the feature, at least one frame is guaranteed on every spin, while special reel strips are also used to increase the action.
Every Scatter collected is added to a progress trail above the reels. For every three Scatters collected, the frame expands by one level—from 2×2 to 3×3, 4×4, 5×5, and finally 6×6. Each upgrade also awards 2 additional Free Spins, with the larger frame taking effect from the following spin. If multiple groups of three Scatters are collected in a single spin, all corresponding frame upgrades and additional Free Spins are awarded.
Special Bets
Bubble Up! includes several optional betting modes that significantly alter the gameplay.
Normal Play (20x Bet Multiplier) offers the standard game experience.
Ante Bet (30x Bet Multiplier) improves the Free Spins feature by allowing more modifiers to be revealed before the bonus begins, increasing the feature’s potential.
Super Spin 1 (400x Bet Multiplier) guarantees one randomly sized frame on every base game spin. Scatter Symbols cannot appear, meaning the Free Spins feature is disabled.
Super Spin 2 (2,000x Bet Multiplier) guarantees two randomly sized frames on every base game spin. As with Super Spin 1, Scatter Symbols are removed from play and Free Spins cannot be triggered.
Bonus Buy
Players can purchase direct access to the Free Spins feature for 100x their current stake. When the Bonus Buy is selected, the triggering spin is guaranteed to contain at least three Scatter Symbols, immediately awarding the Free Spins feature without waiting for a natural trigger.
Conclusion
Bubble Up! combines a bright underwater theme with a creative mix of expanding frames, Money Symbols, and feature modifiers to deliver a slot that feels both unique and rewarding. The growing frames and overlapping multipliers add plenty of excitement, while the Free Spins feature offers increasing potential as the bonus progresses. Be sure to try out this game on launch and check out our exclusive casino offers.