Fishin’ Madness QUADGROWS Slot Review
A grinning fisherman in a red cap beams down from the top-left corner, sunlit water fading into teal gloom over a sandy seabed while a little pink fish trails bubbles past the coral.
That cheerful picture is doing quiet work: Fishin’ Madness QUADGROWS is the rare slot that charges you full price for two thirds of a game and only pays off if you stay long enough to unwrap the rest.
Fishin’ Madness QUADGROWS is a game that starts small and makes you earn its full size. Posh Monkey Studios have built the whole slot around one long reveal: the reels begin as a modest 5×3 with 10 paylines, and the bottom 4 rows sit inactive under kelp until enough spins strip it away. By the end, 7 symbols per reel and 50 paylines are open for business.
The maths behind the reveal runs at 96.10% RTP on a high volatility model, with a hit frequency of 16.78% – so wins land on fewer than one spin in six. Stakes run from 0.20 to 20.00 per spin.
Base Game & Features
The base game is a scatter of small systems that all point at the same ladder. Line wins pay left to right on adjacent reels, and only the highest combination on a payline counts.
The rest of the design is about fish, fishermen, and the seaweed that keeps most of the board locked away.
The QUADGROWS Ladder
QUADGROWS has 4 levels of progression, and it only counts paid base-game spins. A spin counter on the seaweed ticks down with every spin; each time it empties, a layer comes off and the active reels grow. The unlock order never changes:
- Start: 3 symbols per reel, 10 paylines, bottom 4 rows inactive
- After 20 spins: 4 symbols per reel, 20 paylines, X2 Collect Multiplier on row 4, 5x Fish instant prize unlocks
- After 50 total spins: 5 symbols per reel, 30 paylines, X3 Collect Multiplier on row 5, 10x Fish instant prize
- After 100 total spins: 6 symbols per reel, 40 paylines, X4 Collect Multiplier on row 6, 20x Fish instant prize
- After 200 total spins: 7 symbols per reel, 50 paylines, X5 Collect Multiplier on row 7, 100x Fish instant prize
That’s 200 paid spins to see the whole board. The payline count is fixed at 10, 20, 30, 40 or 50 depending on the level, so the game genuinely gets bigger rather than just looking like it does.
Instant Prizes
Fish symbols can land on reels 1, 2, 3 and 4 carrying total-bet multiplier values. They start at 0.5x, 1x or 2x, and the larger values – 5x, 10x, 20x and 100x – unlock as the QUADGROWS levels open. A fish that isn’t collected doesn’t just vanish: it moves into the Fish Progress element beside the reels.
The Fish Progress element can activate on any spin and guarantee fish onto the reels. It runs in the base game only and sits dormant during free spins.
The Collect Feature
The Fisherman Collect symbol lands only on reel 5, and he doubles as a wild, substituting for everything except the Bonus Scatter. Land him together with any fish on reels 1 to 4 and he collects every instant prize visible in the unlocked rows.
The multiplier layer is where the ladder pays off. Each unlocked row carries its own multiplier – X2 on row 4, X3 on row 5, X4 on row 6 and X5 on row 7 in the base game – and the multiplier attached to the row the fisherman lands on is applied to the whole collected total.
Fishin’ Madness QUADGROWS Free Spins & Posh Spins
Free Spins Bonus
Three or more Bonus Scatters award 8 free spins. Landing three or more again during the round re-triggers another 8, with no stated cap on re-triggers.
Every multiplier moves 3 rows upwards for the duration of the bonus, which reshuffles the whole ladder: X2 on row 1, X3 on row 2, X4 on row 3, X5 on row 4, X6 on row 5, X10 on row 6 and X100 on row 7. The full ladder:
- Row 1: X2 multiplier
- Row 2: X3 multiplier
- Row 3: X4 multiplier
- Row 4: X5 multiplier
- Row 5: X6 multiplier
- Row 6: X10 multiplier
- Row 7: X100 multiplier
The multipliers sit on unlocked rows only, so the bonus round inherits whatever level the base game has reached. Hit free spins early and you’re playing with a short ladder; the X100 on row 7 only exists once the board is fully grown. The win ceiling for the round is 10,000x total bet.
Posh Spins
Posh Spins is the game’s optional boost, and it arrives late: it only becomes available once row 7 is unlocked and a further 20 spins have been played. Switching it on raises the total bet by 20% and increases bonus frequency in return.
It doesn’t change payouts, and the RTP stays at 96.10% either way, so the cost sits purely in the stake. The gating is deliberate, too. The boost only matters once the full ladder is live and free spins can actually reach that X100 on row 7, which is exactly when a player chasing the bonus round would want it.
Our Honest Verdict
Overall Rating: 7.5/10
Playing this is a waiting game in a sunny wrapper. You sit under a cheerful fisherman for two hundred paid spins while the game slowly reveals the board you’re actually paying for, and the reason you’d choose it over a dozen other collect slots is that the thing you’re waiting for keeps getting measurably better.
Its strength is that the ladder is honest. Every unlock adds rows, paylines and multiplier weight at once, and the free-spins round shifts the whole ladder up three rows – so a fully grown board is a genuinely different game from the one you started on. Too many progression slots hand out cosmetic rewards for the grind. This one doesn’t.
The weakness is that it’s honest in the other direction too: a free spins round caught early runs on a stub of the ladder, and with a hit rate under one in six, early is exactly when most sessions will catch it. That’s the whole design, and some days it will feel like a tax.
Play it if you like a slot that remembers how long you’ve stayed and rewards you for it, or if you fancy one long board-building project. Give it a miss if you want the full game from spin one. On its own terms, it’s a strong entry – the slow build is the point, and it delivers on it.
Fishin’ Madness QUADGROWS FAQs
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What is the RTP of Fishin’ Madness QUADGROWS?
The RTP is 96.10%, and it stays at 96.10% whether or not Posh Spins is switched on. -
Is Fishin’ Madness QUADGROWS high volatility?
Yes. It’s a high volatility slot, so wins tend to be larger but less frequent. -
What is the hit frequency of Fishin’ Madness QUADGROWS?
The hit frequency is 16.78%, which means a winning spin lands on roughly one spin in six. -
How do you trigger free spins in Fishin’ Madness QUADGROWS?
Landing 3 or more Bonus Scatters awards 8 free spins, and the same combination during the round re-triggers another 8. -
How does the QUADGROWS feature work?
QUADGROWS progresses on paid base-game spins. The reels start at 3 symbols tall with 10 paylines, and at 20, 50, 100 and 200 total spins the board expands to 4, 5, 6 and finally 7 symbols per reel, unlocking 50 paylines, larger multipliers and bigger Fish instant prizes along the way. -
What does the Fisherman Collect symbol do in Fishin’ Madness QUADGROWS?
The Fisherman Collect lands only on reel 5 and acts as a wild for all symbols except the Bonus Scatter. When he lands alongside Fish symbols on reels 1 to 4, he collects every instant prize in the unlocked rows, with the multiplier of the row he sits on applied to the total. -
How many paylines does Fishin’ Madness QUADGROWS have?
The payline count is fixed at 10, 20, 30, 40 or 50 depending on your QUADGROWS level, reaching the full 50 paylines once all 7 rows are unlocked. -
Who makes Fishin’ Madness QUADGROWS?
Fishin’ Madness QUADGROWS is made by Posh Monkey Studios.
