- Amusnet
- Medium High
- Jackpot
- Released November 2026
40 Golden Bass
Good
A fisherman wild that reels in golden fish, four jackpot tiers and free spin multipliers climbing to x16.
Where to play for real
Spellwin Casino
Rated 94 of 100
300% up to €3,000 + 300 FS
- x40 wagering
- €25 min deposit
- US players welcome
- RTP
- 96.44%
- Volatility
- Medium High
- Ways
- 40 5x4
- Bet range
- €0.40 up to €100
40 Golden Bass Review
Overview
- Provider
- Amusnet
- Released
- 10 November 2026
- Grid
- 5x4
- Ways to win
- 40
- Devices
- Android, IOS, Windows
- Progressive
- Yes
- Jackpot
- Yes
Pros and cons
Good sides
- Free spin multipliers climb to x16, with every fourth wild adding ten more spins
- Four jackpot levels run as network progressives, funded without touching your stake
- Golden Fish symbols carry cash values in base play as well as the free spins
- Buying the feature costs almost nothing in theoretical value, at 96.34% against 96.44%
Weaknesses
- Amusnet publishes no maximum win figure
- Jackpot Cards qualifies only from a 5.00 bet, so the default stake sits out
- Card royals take up most of the base game grid
- The wild never lands on reel one, so it cannot form a line on its own
Maths and paytable
- RTP
- 96.44%
- Volatility
- Medium High
- Minimum bet
- €0.40
- Maximum bet
- €100
Features and theme
- Features
- Theme
- Special symbols
Where to play
- Casinos featuring this slot below
- 6
- Best offer
- 300% up to €3,000 + 300 FS
Play 40 Golden Bass for Real money
Casting a line into 40 Golden Bass feels calm to begin with, all pale blue water and little shoals wandering across the background, which is exactly the frame of mind the game wants you in before the angler turns up and starts hauling. The reels sit below the surface, where pearls, life rings and treasure chests drift past the card royals while a golden fish swims through the grid wearing a cash amount on its flank. A bearded angler in a green bucket hat handles wild duty, and every fish he reaches pays its printed value straight into the balance.
The twist sits in how rarely that angler turns up on his own. He never lands on reel one, and during base play he reaches the grid only through the Mystery Collect feature, where a golden fish rises beside the reels and lobs a balloon at a random symbol to turn it wild. The new wild then sweeps up everything in view, so a screen carrying three or four valued fish turns a flat spin into a tidy one inside a second.
The maths runs at 96.44%, the volatility lands at medium-high, and stakes stretch from 0.40 up to 100.00. Four jackpot meters sit above the reels throughout, climbing on bets placed across the whole Amusnet network, while the free spins stack multipliers on every fish the wild collects. At full height those multipliers reach x16.
Mystery Collect: How a Wild Reaches Reels That Ban It
Most slots let the wild turn up wherever it pleases. 40 Golden Bass takes the opposite approach and shuts the symbol out of base play altogether, because the angler cannot land on reel one and cannot appear on the other four under his own steam. Mystery Collect is his only way onto the grid, which makes the feature the engine of the entire base game rather than a decorative extra.
The Balloon That Turns a Symbol Gold
The feature fires at random once the reels have settled. A golden fish rises into view beside the grid, throws a balloon at one of the symbols on screen, and that symbol becomes a wild. The wild then collects the value printed on every golden fish currently showing, and the total lands in the balance before the next spin begins.
Because the trigger is random rather than symbol-driven, nothing on the reels tells you it is coming. A screen crowded with valued fish and no wild looks like a wasted spin right up to the moment the balloon arrives, which gives the base game a tension that forty fixed lines on their own would never generate.
What the Golden Fish Are Carrying
Fish values scale with the stake and sit on the symbol in plain numbers, so the size of a pending collect is readable at a glance. At the 1.20 stake the following amounts all appeared across the session:
- 1.20, the equivalent of one full stake and by far the most common
- 2.40, twice the stake and a regular sight alongside the smaller fish
- 6.00, five times the stake and uncommon enough to change a spin on its own
- 12.00, ten times the stake and rare in base play
- 30.00, twenty-five times the stake, which turned up once and only inside the free spins
Several fish can share a screen, and the wild takes all of them in one sweep rather than picking the best. That makes a cluttered grid worth more than a single fat value sitting alone, and it explains why the base game pays small amounts constantly instead of waiting for one big line.
Free Spins in 40 Golden Bass: Four Wilds, Ten More Spins, One Bigger Multiplier
The bonus round is where the collect mechanic stops being a pleasant interruption and becomes the whole game. Wilds land freely here rather than waiting on a random trigger, golden fish carry values on every spin, and a progression bar above the reels turns each wild into credit toward more spins and a larger multiplier.
Getting In: Three, Four or Five Boats
The Bonus symbol is a small fishing boat, it appears on all five reels, and no two can share a reel. Landing three opens ten free spins, four opens fifteen, and five opens twenty. The round starts automatically and cannot be stopped once the reels begin turning.
The Progression Bar and Its Four Rungs
A bar stretches across the top of the screen holding sixteen slots. Every free spin that shows a wild adds one angler’s head to the bar, and each fourth head completed hands over ten more free spins alongside a bigger multiplier on collected fish values. The multiplier applies from the point it is earned onward rather than retroactively, and the first ten spins always run clean before any multiplier attaches.
| Wilds banked | Extra free spins | Multiplier on collected fish |
|---|---|---|
| 4 | +10 | x2 |
| 8 | +10 | x4 |
| 12 | +10 | x8 |
| 16 | +10 | x16 |
When Several Wilds Share the Screen
One wild collects every fish on the grid, but a second wild collects all of them again. The rule takes a single line in the paytable and hits hard in practice, because two anglers on a screen holding four fish produce eight separate payments rather than four. Stack a x8 multiplier on top of that and a modest-looking grid turns into the biggest moment of a session.
Mystery Golden Fish: A Safety Net With Conditions
Amusnet built a second random feature into the bonus round for the spins that would otherwise return nothing. Mystery Golden Fish can fire only when a spin finishes with a wild on screen, no golden fish anywhere, and no winning line. The angler then transforms between one and five symbols into golden fish and collects the lot, which converts a dead spin into a paying one without changing anything a player can influence.
Jackpot Cards: Four Suits and a 5.00 Door Charge
Four meters run along the top of the 40 Golden Bass screen at all times, and they belong to Jackpot Cards, the network feature Amusnet attaches across much of its catalogue. The amounts climb continuously on bets placed by every player on the network, which makes all four levels genuine progressives rather than fixed prizes dressed up as meters.
How the Four Levels Fill
Each level answers to a card suit, with clubs sitting at the bottom and spades at the top, and hearts and diamonds filling the middle. A percentage of every qualifying bet across the network feeds the pools, and the rules are explicit that nothing comes out of the player’s own stake to do it. Watching the counters during a session makes the scale obvious, since the top level sat above thirty million while the bottom one was reseeding from a few thousand.
Twelve Cards and Three Matching Suits
The feature triggers at random once a spin has finished and all its winnings have been collected, so nothing on the reels earns it and nothing on the reels blocks it. A pick screen then opens with twelve face-down cards, and the player turns them over until three of a single suit appear. The suit that completes first decides the level awarded, the amount drops straight into the balance, and the base game resumes where it left off rather than ending.
The Stake That Locks You Out
Jackpot Cards carries a qualifying bet range of 5.00 up to 50,000.00, and that lower bound deserves more attention than it gets. The default stake in 40 Golden Bass is 1.20, and the ladder offers eleven rungs below 5.00, so a player who never touches the bet menu sits outside the feature entirely while four large numbers tick upward above the reels.
Nothing on screen flags the shortfall. Anyone treating the meters as part of what they are playing for needs to climb to at least 5.00 a spin first, which is a four-fold jump from where the game opens.

Symbols and Paytable: A Pearl Worth a Hundred Times Your Stake
Twelve symbols fill the reels of 40 Golden Bass, and the gap between the top of the paytable and the bottom is wider than the forty-line format suggests. An open oyster holding a pearl heads the list and pays from two of a kind, which no other symbol in the game manages, while the card royals need three before they register at all.
The Golden Fish Does Two Jobs
The leaping fish carries a cash value for the collect mechanic, and it also sits in the paytable as an ordinary paying symbol. Five across a line returns ten times the stake on their own, entirely separate from whatever the angler sweeps up. The two functions can land on the same spin, which is why a grid full of fish occasionally pays twice over for reasons that are easy to miss in the moment.
Full Paytable
| Symbol | 5 of a kind | 4 of a kind | 3 of a kind | 2 of a kind |
|---|---|---|---|---|
| Pearl in oyster | 100x | 10x | 2.5x | 0.25x |
| Life ring | 50x | 7.5x | 1.5x | – |
| Treasure chest | 25x | 5x | 1x | – |
| Float | 25x | 5x | 1x | – |
| Golden Fish | 10x | 2.5x | 0.5x | – |
| A / K / Q / J / 10 | 5x | 1.25x | 0.25x | – |
All figures show as multiples of the total bet. Wins pay left to right from the leftmost reel across forty fixed lines, only the best combination on each line counts, and separate lines add together.
Rules That Shape Every Spin
Three restrictions do more to define 40 Golden Bass than the paytable does. The angler never appears on reel one, so he cannot form a line without help from other symbols. He also refuses to share a reel with the Bonus boat, which keeps the free spins trigger from being crowded out. Two Bonus symbols cannot stack on one reel either, so the three needed to open the round have to come from three separate reels.
Buy Bonus, Bets and Gamble: 80x to Skip the Wait
Three smaller systems sit around the edges of 40 Golden Bass, and each one changes the shape of a session in a different direction. The buy button shortens it, the bet ladder decides which features are available at all, and the gamble screen offers a way to double a win that most players will want to leave alone.
The 80x Ticket and What It Guarantees
Buying the feature costs eighty times the total bet, which works out at 96.00 at the 1.20 default and 32.00 at the 0.40 minimum. The purchase drops three Bonus symbols onto the reels and opens the round at ten free spins, with no additional line win attached to the triggering grid. Four and five scatters are off the table, so the buy always delivers the shortest version of the bonus and leaves the retriggers to do the rest.
The return shifts fractionally when you buy. Base play runs at 96.44% and the bought round at 96.34%, a tenth of a percentage point that costs a player almost nothing in theoretical terms. The button greys out while the reels turn and throughout the bonus itself.
Forty Stakes From 0.40 to 100.00
The ladder runs forty rungs across a range that multiplies by two hundred and fifty from bottom to top, with the steps tightening at the low end and widening sharply above 10.00. Three thresholds matter more than the rest:
- 0.40 opens the game and keeps a bought feature down to 32.00
- 1.20 is where the game loads by default, and where Jackpot Cards stays out of reach
- 5.00 is the first rung that qualifies for all four jackpot levels
Fish values scale with the stake rather than sitting at fixed amounts, so moving up the ladder raises what the angler collects in exact proportion. The only thing that changes shape rather than size is jackpot eligibility.
Gamble: Red, Black and Two Attempts
Any win worth up to thirty-five times the bet, which caps at 42.00 at the 1.20 stake, puts a gamble button on screen. The round works through a face-down card and a colour call:
- A correct call on red or black doubles the amount and offers another attempt
- A wrong call takes the entire amount, including anything carried from an earlier round
- Two attempts run in this build, so a qualifying win can reach four times its original size
- Collect banks the running total at any point, and ignoring the button does the same
- The last five cards stay visible in a history strip above the table
The attempt count varies across the Amusnet range, and two rungs makes this one of the shallower ladders in the catalogue. A win sitting right on the 42.00 ceiling therefore carries a theoretical path to 168.00, which asks for two correct colour calls and pays nothing for the first if the second goes wrong.
How To Play 40 Golden Bass
Six things worth knowing before the first spin
Pick a Stake With the Jackpots in Mind
The bet menu offers forty levels between 0.40 and 100.00, and the game opens on 1.20. That default sits below the 5.00 threshold Jackpot Cards requires, so anyone who wants the four meters above the reels in play has to move up the ladder deliberately. Fish values scale with the stake in direct proportion, which means climbing changes the size of every collect rather than the frequency of anything.
Watch the Fish, Not the Paylines
Golden fish land with cash amounts printed on them, and those amounts are the real engine of 40 Golden Bass. A grid holding three or four valued fish is worth far more than the forty fixed lines suggest, because one wild sweeps all of them at once. Reading the numbers on the fish tells you what a spin is worth long before the lines resolve.
Let Mystery Collect Come to You
The angler cannot land on reel one and does not appear in base play under his own steam, so the only route to a base-game wild runs through Mystery Collect. The feature fires at random after the reels settle, with a fish rising beside the grid and throwing a balloon at a symbol to turn it wild. Nothing on the reels predicts it and nothing a player does makes it more likely.
Open the Free Spins With Three Boats
Three Bonus boats open ten free spins, four open fifteen, and five open twenty. No two boats can share a reel, so three has to arrive from three separate reels. Once the round starts it runs automatically to the end and cannot be stopped, which makes the bonus a spectator sport rather than something to manage.
Count the Heads on the Progression Bar
The bar above the reels holds sixteen slots, and every free spin showing a wild adds one angler head. Each fourth head hands over ten more free spins and lifts the multiplier on collected fish values to x2, then x4, then x8 and finally x16. Two wilds on one screen also collect every fish twice over, so a crowded grid late in a round is where the biggest numbers come from.
Decide on the Buy and the Gamble Before You Need To
Buying the feature costs eighty times the stake and always delivers the ten-spin version with three scatters, running at 96.34% against the 96.44% of base play. The gamble screen opens on any win up to thirty-five times the bet and offers two attempts at doubling through a red or black call. Both are optional, and settling on your approach to each before a win lands saves a decision made in the moment.
Playing 40 Golden Bass: What the Session Produced
A long run at the 1.20 stake finished ahead, and almost all of that came from two bonus rounds rather than anything the base game managed on its own. The reels pay constantly and pay small, which keeps a balance steady without ever moving it far in either direction.
The Base Game Pays Often and Pays Little
Wins arrived on roughly half the spins and sat between 0.30 and 4.20 almost without exception. Card royals dominated the grid, the pearl rarely assembled more than three across a line, and the biggest base-game moments all came from Mystery Collect rather than from the paytable. The feature fired often enough to feel like part of the rhythm, sweeping two or three fish worth a stake or two apiece.
One spin illustrated how the fish doubles up. Four golden fish landed across the middle rows, paid 3.00 as a line combination in their own right, and the angler was nowhere on screen to collect the values printed on them. The same grid with a wild would have been worth several times as much.
Two Bonus Rounds, Two Different Scales
The free spins arrived naturally once and came by purchase twice. Both completed rounds climbed the progression bar to the x8 tier and ran to forty spins, which suggests the retriggers arrive more readily than a sixteen-slot bar implies.
| Round | How it started | Spins played | Top tier reached | Return on the 1.20 stake |
|---|---|---|---|---|
| First | Three boats in base play | 40 | x8 | 94x |
| Second | Bought at 80x | 40 | x8 | 335x |
The Spin That Decided the Session
The bought round sat at 104.10 with two spins left and looked like a modest result for a 96.00 outlay. Then a fish carrying 30.00 landed alongside the angler while the x8 multiplier was live, and the collect paid 240.00 from that single symbol. The round closed at 402.60, which is four times what the buy cost and 335 times the underlying stake.
That one spin is the clearest statement of how 40 Golden Bass distributes its money. Nothing in the preceding thirty-eight spins hinted at it, the multiplier had been sitting at x8 for a while doing very little, and the whole round turned on a single large fish arriving while a wild happened to be on screen.
What the Gamble Did
A 3.00 win opened the gamble screen and a red call doubled it to 6.00. The second attempt went on black, the card came up a heart, and the whole amount disappeared. Two rungs is a short ladder, and the second rung costs everything banked on the first.
Design and Sound: Clear Water and a Loud Catch
Amusnet has built 40 Golden Bass to be read quickly rather than admired slowly, which suits a game where the important information sits printed on a symbol. The art is bright, the water is clean, and the numbers on the fish stay legible at every stake.
Two Depths, Two Moods
Base play sits just under the surface, with daylight filtering down through pale blue water and the waterline visible across the top of the screen. Coral and kelp frame the reels on both sides, a large orange fish drifts along the left edge, and small shoals cross the background between spins. Everything stays light enough that the gold of the fish and the warm orange of the treasure chests read instantly against it.
The free spins drop the whole scene into deeper water. The palette turns dark teal, the sunlight disappears, the plant life shifts to purples and blues, and the progression bar takes over the top of the screen where the waterline used to be. The change does the job of telling you which mode you are in without a single word on screen.

Symbols Built for Legibility
The card royals arrive as thick outlined letters, each in its own colour, which keeps the bottom of the paytable from turning into visual noise. Above them sit a float bobbing in a ring of ripples, an open treasure chest spilling banknotes, a red and white life ring, and the pearl in its oyster shell at the top. The angler fills his whole frame in a green vest and bucket hat, and the golden fish leaps through a curl of water with its value printed across the body in clean figures.
The best visual moment belongs to the collect. The angler’s frame lights up, a line runs out to each fish on the grid in turn, and the values stack beside him as they arrive. With two anglers on screen the lines cross the whole grid and the stacking runs twice as long, which makes the biggest spins look as big as they pay.
Sound
The audio sits in clear layers rather than running one loop throughout. Base play keeps a light nautical bed underneath, the reels land with a soft underwater thud, and the golden fish announces itself with a bright chime that cuts above everything else. The collect carries its own rising sequence, one note per fish, so a long sweep is audible as a climb before the total appears.
The free spins swap the bed for something deeper and more insistent, and each retrigger arrives with a fanfare that leaves no doubt the multiplier has moved. Win tiers escalate cleanly enough that the difference between a line win and a full collect registers without looking up from the balance.
Amusnet: The Studio Behind the Meters
Amusnet builds its games out of Sofia, and the company spent years trading as EGT Interactive before completing the change to its current name in 2022. The catalogue spans online slots, live casino tables and the physical cabinets that still fill arcades across eastern Europe, which goes a long way towards explaining the clean, meter-topped layout that 40 Golden Bass shares with so much of the range.
Linked jackpot systems are the house speciality, and Jackpot Cards is the oldest and most widely deployed of them, spreading a single four-level pool across a large family of titles. The studio holds a remote gambling licence from the Government of Gibraltar.
Final Verdict on 40 Golden Bass
40 Golden Bass takes a collect mechanic Amusnet has run many times and gives it a genuine constraint, because locking the wild out of base play turns every appearance into an event rather than a routine. The base game pays small and pays often, the free spins carry all the weight, and the progression bar gives a bonus round a shape that builds instead of simply counting down.
The Case For It
The free spins are the strongest part by a comfortable margin. Retriggers arrive readily, each one adds ten spins as well as doubling the multiplier, and the rule that every wild collects every fish means a crowded screen late in a round can pay many times what the same grid would return early. The buy costs a tenth of a percentage point in return, which is as close to free as a shortcut gets, and fish values scaling with the stake keeps the maths honest at every rung of a forty-step ladder.
Four progressive levels running above the reels add a ceiling that the paytable alone could never provide, and the contributions come from the network rather than the player’s own stake.
The Case Against
The jackpot threshold is the awkward one. Four meters climb in plain sight from the moment the game loads, and the default 1.20 stake does not qualify for any of them, with nothing on screen to say so. A player has to reach 5.00 a spin before those numbers mean anything to them.
Card royals also fill most of the base grid, and with the wild barred from appearing on its own, the stretches between Mystery Collect triggers lean heavily on 5x and 1.25x line wins. Amusnet publishes no maximum win figure either, so the ceiling stays abstract in a way that anyone comparing games on headline numbers will notice straight away.
Anyone who enjoys collect slots and wants a bonus round that escalates rather than repeats will find plenty here, particularly from 5.00 a spin upward where the whole feature set is actually in play.
40 Golden Bass FAQ
What is the RTP of 40 Golden Bass?
Base play returns 96.44%. Buying the free spins runs fractionally lower at 96.34%, a difference of one tenth of a percentage point that costs almost nothing in theoretical value.
How do you trigger the free spins in 40 Golden Bass?
Land three, four or five Bonus boat symbols on the same spin for ten, fifteen or twenty free spins. The boats appear on all five reels and no two can share a reel, so three has to arrive from three separate reels.
How does the Mystery Collect feature work?
Mystery Collect fires at random during base play once the reels have settled. A golden fish rises beside the grid, throws a balloon at one symbol to turn it into a wild, and that wild then collects the cash value printed on every golden fish on screen. It is the only way a wild reaches the reels during base play.
How high do the free spin multipliers go in 40 Golden Bass?
They reach x16. A progression bar above the reels adds one angler head for every free spin that shows a wild, and each fourth head grants ten more free spins along with the next multiplier step, running x2, x4, x8 and then x16 on collected fish values.
How much does the Buy Bonus cost?
Eighty times the total bet, which comes to 96.00 at the 1.20 default and 32.00 at the 0.40 minimum. The purchase guarantees three Bonus symbols and opens the ten-spin version of the round, so four and five scatter entries cannot be bought.
Does 40 Golden Bass have a progressive jackpot?
Yes. Jackpot Cards runs four levels tied to the card suits, and all four climb on bets placed across the Amusnet network rather than coming out of your own stake. The feature triggers at random after a spin resolves, then opens a pick screen of twelve cards where you turn them over until three matching suits appear. Qualifying bets start at 5.00, so the 1.20 default stake does not enter the draw.
Can you play 40 Golden Bass for free?
Yes, the demo above runs the full game with play money, including Mystery Collect, the free spins, the progression bar and the Buy Bonus. Nothing won in the demo converts to cash, which makes it the sensible place to learn how the collect mechanic behaves before staking anything.

The Author

The Author
Slots and News Reviewer














