ka ching boom

Respins Free Spins RTP: 91.95%

Game Description:

Fast, fun, and packed with chances to win – that’s Ka Ching Boom! Land number symbols for instant payouts, and multiply them up to 10x if a multiplier hits reel 4. Every Respin symbol guarantees a reward – no exceptions. But the ultimate thrill? The Boom Wheel – one spin could land you a massive cash prize!

Game Rules:

Ka Ching Boom Slot

Rarestone Gaming released the Ka Ching Boom slot in September 2025, with this title ditching regular gameplay conventions in favour of a nuanced blueprint that is still retro in a couple of ways. Despite its design resembling some classic slot games, this title differs because regular symbols are replaced by numbers that could carry their own values. In addition to this, multipliers and bonus wheels have also been added by Rarestone, making the Ka Ching Boom slot even more unique in the process.

Ka Ching Boom Game Background

The playgrid design is one of the most noticeable ways in which the Ka Ching Boom slot differs from other online slots, with there being 4 reels, each of which can produce just 1 row. However, it is worth noting that the 4th reel is actually purple as opposed to white like the rest of them, and this can only display bonus symbols. There is just a single payline that runs through the centre of these columns, of course, with all of these being surrounded by an elaborate golden frame that shines throughout gameplay. Fixed to the top of this setup is a giant bonus wheel; however, more on this Ka Ching Boom bonus later.

To the right side of the reels sits the banner-backed Ka Ching Boom slot logo, beneath which most of the main buttons are positioned. The rest of the backdrop is green, with this being filled with several swirling patterns and other cursive details that add more depth to the overall aesthetic. A purple banner sits beneath the playgrid, with the more minimalist approach to graphics in this release being somewhat similar to titles such as Super Hot Fruits and Golden Winner.

Ka Ching Boom Slot Symbols

The symbols in the Ka Ching Boom slot behave differently from most releases, due to the fact that they do not need to match in order to potentially trigger a combination. This is because all of them are different numbers, each of which carries a value that matches the number. However, each reel is not guaranteed to display a symbol along the single payline, with the ‘0’ numbers not holding any value at all. However, if a number appears, its value may be collected, and if there is more than one digit along the payline, their digits may be combined to form a bigger number.

The numbers that could land in this Ka Ching Boom slot, and their respective values, are as follows:

0: Has a value of 0x.
1: Has a value of 1x.
2: Has a value of 2x.
5: Has a value of 5x.
10: Has a value of 10x.

As we mentioned previously, the 4th purple reel that rounds off the playtable in this Ka Ching Boom slot can only produce bonus symbols or blank spaces. The former of these can include things such as multipliers, arrow respin scatters, or wheel scatters, each of which may trigger its own nuanced mechanic if it appears.

Ka Ching Boom Bonus Features

Starting with the multipliers, these can have values of 2x, 3x, or 5x in the Ka Ching Boom slot and only appear on reel 4. If they do so alongside a number, the multiplier may be applied to the digit displayed on the other playtable columns.

Should a golden arrow scatter appear on reel 4, this could trigger the respin feature in this Ka Ching Boom slot. This can see the 3 reels to the left of the triggering scatter be spun again, resulting in a random number being formed.

The last of the bonuses in the Ka Ching Boom slot circles back around to the giant wheel sitting at the top of the screen. This could be triggered if a wheel scatter appears on reel 4, with the wheel then being spun before landing on a random pocket. Each pocket has its own value that can range from 50x up to 2500x, with this mechanic behaving similarly to the wheels seen in online jackpot slots.

Ka Ching Boom Mobile Play

Although it presents a rather unique style of gameplay, the Ka Ching Boom slot still shares the same level of mobile optimisation as Rarestone’s other online casino games. This is all thanks to the HTML5 framework that supports this title, allowing the experience to stay the exact same on computers, tablets, and smartphones.

Play Ka Ching Boom at BOYLE Casino

From the creative formula in which gameplay follows with its numbered symbols, to the additional wheel and respin bonuses, the Ka Ching Boom slot is a distinctive addition to the casino space.

Single-reeled playgrids are not only found in this Ka Ching Boom slot, but also in games such as Gerard’s Gambit and Lucky Rabbit Fortunes.