Fortune Cats Golden Stacks Demo Mode

In 2021, Thunderkick released Fortune Cats Golden Stacks!! — a bright, lucky-cat slot with hidden symbol transformations and stack-copying mechanics. The base game is straightforward, but the bonus brings a few enjoyable twists. The demo version is available right on this page, and you can try other games from the provider for free in the online slots section on Legalbet.

96%
Return to player
RTP means Return to Player and describes the theoretical payout ratio of casino games. The higher the RTP, the higher percentage of your bets you can expect to get back in the form of winnings. The RTP in real-money casinos can differ.
2500x
Max win
High volatility
Volatility
Volatility, in online gambling, is a term used to assess the risk of losing a bet. In other words, it suggests how rare or often players can expect to win or how big or small they can expect the prizes to be.
Slots
Game type
0,1
Min bet
The lowest amount a player can wager on a specific game. It is also a bonus requirement where you can bet above a certain amount to claim your bonus.
100
Max bet
The rule which indicates the highest amount you can bet on a casino game. It is also a bonus requirement where you can only bet up to a certain amount to claim your bonus.

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Information

Bonus game
Available on mobile
Jackpot
Quickspin
Auotoplay
Demo mode
Game developer Thunderkick
Release date 26.11.2021
Last page update February 2026

More games by Thunderkick 18

Fortune Cats Golden Stacks!! Design and Theme

🖼️ Graphics

The base screen is awash with pink waves and candy-like gradients: a porcelain cat waves its paw, surrounded by Japanese lanterns, sea bream and card suits that look as if they’ve been carved from ice. In the bonus, the grid splits into two or three screens, cats stack up into long vertical columns, and reel mirroring kicks in — the visuals become denser and noticeably more dynamic.

🎶 Sound

A cheerful, upbeat melody with a light Asian flavour pushes the spins along, though during spins it’s partly overtaken by the reels themselves — a whistling sound with a slightly sticky rustle, as if the reel is catching on a tape. Wins are marked by short flashes and a bright coin chime; in the bonus, there are more effects, but they never smother the track — the balance is well kept.

Fortune Cats Golden Stacks!! Mechanics

🥁 Grid Size

5x4

📊 Paylines

40-120

➕ Bonus Game

🤑 Jackpot

💸 Extra Bet / Ante Bet

🪂 Fixed Multipliers

♻️ Respins

❎ Gamble

Winning Combinations

Symbol

2

3

4

5

Golden Cat

x0.4

x1

x2.5

x7.5

Lantern / Bottle / Fish

x0.5

x1

x2

Heart / Spade / Diamond / Club

x0.3

x0.5

x1

Special Symbols

To quickly understand how to play Fortune Cats Golden Stacks!!, keep a simple trio in mind: substitution, upgrading into cats, and triggering free spins — everything else is built around these.

  • Wild (logo on a blue background): substitutes for any symbols except scatters and hidden symbols; appears on reels 2–5.
  • Hidden Symbols (glowing fan): in both the base game and the bonus, selects one paying symbol and turns all of its instances — as well as itself — across all active grids into Golden Cats. Does not affect scatters, wilds, or other hidden symbols.
  • Scatter (Daruma mascot): required to trigger the bonus game.

Bonus Game

Free spins are the only bonus mode, but with an important layer on top: the playing field can expand into up to three separate zones, and golden cat stacks can be copied between them.

On trigger: 3+ scatters award 10 free spins. The starting number of active zones depends on the trigger:

  • 3 scatters — start with 1 zone;
  • 4 scatters — start with 2 zones;
  • 5 scatters — start with 3 zones.

During the bonus, each scatter adds +1 spin; when a new zone opens, an additional +2 spins are awarded (a maximum of 3 scatters are counted per spin).

Additional feature — Golden Stacks: if any reel in a zone becomes fully stacked with Golden Cats, that reel is copied onto the corresponding reels of all other active zones. Wins from non-cat symbols are calculated before copying; combinations involving the cat are calculated after the copy.

RTP, Volatility, Maximum Win

RTP — 96.14%. Volatility is medium to high. The maximum win is capped at x2,500 times the stake.

Our Verdict

Fortune Cats Golden Stacks!! is about a maneki-neko that doesn’t juggle layers of complicated rules, but instead focuses on clean symbol upgrades and a three-screen show. The base game is steady, but in free spins — when cats stack into columns and start cloning — the slot truly comes alive. The pace becomes stop-start, yet each move feels meaningful.

If you enjoy Asian themes, try Tigre Sortudo with its multiplier wheel. If you’re after cats in a different presentation, take a look at Cats of Olympuss.

Other popular slots by Thunderkick

Hot PotatoPink Elephants 2Fortune Cats Golden StacksFrog GrogSpectraMidas Golden Touch 2BabushkasPhoenix ParadiseLava LavaFlame BustersTurning Totems

Post by:

Andy H
Andy H
Site Manager
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