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Play’n GO · Slot Review

Boat Bonanza Colossal Catch — Full Review & Free Demo

2.9/5
Play for Real →
RTP
96.20%
Volatility
Average
Max Win
3,000x
Provider
Reels
5
Paylines
12
Bet Range ($,€,£)
0.10 - 50
Rating
2.9/5
Released
Aug 2023

Boat Bonanza Colossal Catch Slot Overview

Boat Bonanza Colossal Catch is a fishing sequel from Play'n GO, released on 24 August 2023, running on a 5-reel, 4-row grid with 12 fixed paylines. Two fishing boats hover above the reels and collect cash-valued fish symbols that land below them. If I'm honest with chat, the fishing theme is crowded right now, but the dual-boat collection mechanic gives this one its own rhythm. Medium volatility with an RTP of 96.20% and a 3,000x max win; it is aimed at players who want a calmer ride than the high-variance fishing slots out there.

Visually, the reels sit underwater with a seaside town, ferris wheel, and sunset backdrop above. A bouncy sea-shanty tune plays throughout, and the audio honestly suits the vibe well. Compared to the original Boat Bonanza, the palette shifts from daytime to a purple-orange sunset, but the layout and general feel are very close.

Symbols and Payouts

Nine regular symbols fill the paytable here. Low pays are the 10 through A card ranks, each worth 10x the bet for a five-of-a-kind line. Premium symbols are an Anchor, Harpoon, Can of Worms, and Seagull. Five Seagulls pay the top regular prize at 200x, while the other premiums range between 50x and 100x for a full line. No wild symbol exists on these reels at all.

Catch symbols are the real draw. Fish symbols carry random values from 1x to 50x the bet; Lobster symbols can hold up to 1,000x. These are only paid out through the boat collection mechanic, but they also form standard payline wins worth up to 40x for five of a kind. During Free Spins, the Swordfish symbol appears exclusively and feeds the multiplier bar instead of paying cash directly.

Symbol Payouts

icon 1
Seagull
Highest paying regular symbol on the reels.
5x200
4x20
3x5
2x1
icon 2
5x100
4x15
3x4
icon 3
5x50
4x10
3x3
icon 4
Anchor
Premium themed symbol paying up to 50x for five of a kind.
5x50
4x10
3x3
icon 5
5x10
4x3
3x1
icon 6
5x10
4x3
3x1
icon 7
5x10
4x3
3x1
icon 8
5x10
4x3
3x1
icon 9
10
Low-paying card rank symbol.
5x10
4x3
3x1
icon 10
Catch Symbols (Fish)
Fish symbols carrying cash values from 1x to 50x bet, collected by active boats. Can also form payline wins worth up to 40x for five of a kind.
5x40
4x5
3x2
icon 11
Scatter
5x100
4x20

Bonus Features Breakdown

Every spin, two boats dart above the reels. An active (brightly lit) boat collects all Catch symbol values on the reel directly beneath it. When both boats stop above the same reel, the Colossal Catch triggers and sweeps every Catch symbol across all five reels into your total win. In the base game, boat activation is random, so you cannot force it. That randomness can make the base game drag a bit during cold patches.

Landing 3 or more Scatter symbols awards 10 Free Spins. Four Scatters add a 20x bet bonus; five Scatters add 100x. During the round, both boats stay permanently active on every spin, which changes the feel entirely. The Swordfish symbol appears here and fills the Colossal Catch Multiplier bar. Every 3 Swordfish collected advances the multiplier one tier: x2 plus 8 extra spins, then x5 plus 6, then x10 plus 4, and finally x25 plus 2 extra spins.

Maximum free spins you can accumulate is 30. The multiplier only applies to Colossal Catch collections, not standard payline wins, so you need both boats on the same reel during free spins to feel it. There is no Bonus Buy option; everything runs through natural Scatter triggers.

Bonus Buy Options

Bonus Buy Catch Feature
Catch Feature
Two fishing boats activate randomly above the reels. When a boat is active, it collects the cash value of all Catch symbols landing on the reel directly below it. Catch symbol values range from 1x to 50x the bet, with Lobster symbols worth up to 1,000x.
Bonus Buy Colossal Catch
Colossal Catch
Triggers when both boats stop above the same reel. All Catch symbols across all five reels are collected simultaneously and added to the total win. During free spins, a progressive multiplier of up to 25x applies to Colossal Catch wins.
Bonus Buy Free Spins
Free Spins
Landing 3+ scatter symbols awards 10 free spins. Both boats remain permanently active throughout. Swordfish symbols appear exclusively during free spins and fill the Colossal Catch Multiplier bar. Collecting sets of 3 Swordfish advances multiplier tiers (2x, 5x, 10x, 25x) and awards extra spins, up to 30 total.

RTP, Volatility and Max Win

Default RTP sits at 96.20%, but be careful because lower versions exist down to 84.20% depending on the operator. Volatility is medium, rated 5 out of 10, with a hit frequency around 25%, so roughly 1 in 4 spins returns something. Sessions feel steady rather than swingy. Bets run from 10p up to 50 pounds per spin.

Max win is capped at 3,000x the bet, and reaching it requires a fully multiplied Colossal Catch during free spins. The probability of hitting that ceiling is about 1 in 70 million spins, so realistically you are playing for the mid-range feature wins. Compared to the original's 5,000x cap, the sequel is noticeably weaker on ceiling potential, and not everyone will be happy about that.

💬 What Players Say
Players generally find the slot relaxing and cheerful but criticise it for being too similar to the original Boat Bonanza, with a reduced max win and limited innovation. Based on 5 reviews.
Ryan Cole’s Verdict

Final Verdict

After going through this one properly, I have mixed feelings. The atmosphere is lovely; bright graphics, cheerful soundtrack, cute bobbing boats. Sessions feel relaxed thanks to the medium volatility and solid hit rate. Watching both boats lock onto the same reel for a Colossal Catch genuinely gives you a buzz, especially in free spins when the multiplier is stacking. The Swordfish collection ladder adds tension that the original lacked.

On the flip side, it is hard to ignore how much of this slot is recycled from the first game. The paytable, the layout, and the core boat mechanic are nearly identical. Lowering the max win from 5,000x to 3,000x without adding dramatic new features felt like a step backward. If I'm honest with chat, I would not rush to stream this over other fishing slots unless viewers specifically asked for it.

Worth a session if you like lighter-volatility fishing games and want something that keeps paying small while you chase the free spins. For a chill filler slot between bigger sessions, it does the job. Just do not expect it to blow anyone's mind.
2.9
★★★☆☆
out of 5
✓ Pros
Both boats active throughout free spins
Swordfish multiplier climbs to 25x
Medium volatility suits longer sessions
25% hit frequency keeps wins regular
Cheerful seaside audio and visuals
✗ Cons
Max win reduced to 3,000x from original
No wild symbol on the reels
Very similar mechanics to original Boat Bonanza
No bonus buy option available
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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Boat Bonanza Colossal Catch FAQ
How does the Colossal Catch trigger during free spins?
Both boats must stop above the same reel on a single spin. When they do, every Catch symbol visible across all five reels is collected, and the current Colossal Catch Multiplier applies to that payout.
What does the Swordfish symbol do and where does it appear?
Swordfish symbols appear only during free spins. When an active boat collects a Swordfish, it adds one step to the Colossal Catch Multiplier bar. Every 3 Swordfish advance the multiplier to the next tier and grant extra free spins.
Is there a bonus buy to skip straight to free spins?
No. Boat Bonanza Colossal Catch has no bonus buy feature. Free spins are triggered exclusively by landing 3 or more Scatter symbols during the base game.
What is the difference between this slot and the original Boat Bonanza?
The sequel replaces the Mega Catch and Respins system with a Colossal Catch Multiplier ladder during free spins. Volatility dropped from high-medium to medium, and the max win was reduced from 5,000x to 3,000x. The Swordfish collection bar is new to this version.
Can Catch symbol values count as regular payline wins too?
Yes. Catch symbols can form standard left-to-right payline wins worth up to 40x the bet for five of a kind, in addition to their cash values being collected by active boats.