Klowns: Slot Overview
Clowns have a strange talent for being both a laugh-out-loud goof and, at the same time, a nightmare-inducing menace. You could even see them as a stand-in for people in general—capable of generosity and warmth, but also cruelty, and everything in between. In developer Hacksaw Gaming’s slot Klowns, the headline characters clearly skew toward the darker end, fronting a scatter-paying game packed with multipliers, Needle Boxes, bonus rounds, and buys.
Lester and Jester are the two Klowns posted ominously beside the grid as the action unfolds, and they’re definitely not the type you’d hire for a kid’s party. Think more along the lines of Pennywise/Art the Clown—far more likely to cause trouble than twist balloon animals or spray water from a fake lapel flower. The overall mood is sinister, though arguably not quite as deeply unsettling as the dolls and Jack in the Boxes in Print Studios’ slot Dreadworks, which comes to mind as a point of comparison.

Klowns is a scatter pays slot played on a 6×5 gaming grid, a familiar layout for this style of pay system. Wins land when 8 or more matching symbols appear anywhere on the reels. Those winning symbols then disappear, and the remaining symbols float upward to plug the gaps, giving another opportunity to connect a win. This tumbling mechanic can keep repeating, so multiple wins can come from a single spin until no further win forms. Rated medium volatile, the stake range is 10 c to $/€100 per spin, and the RTP can reach 96.26% at best, with lower RTP configurations also possible.
In Klowns, the pay symbols are divided into high and low sets, with each set tied to a particular Needle Box. Every symbol is balloon-themed: the low pays are 10 to A card ranks, while the high pays are a diamond, a star, a sad face, a happy face, and a heart. Scatter wins for 8-of-a-kind pay 0.1x to 1x, increasing up to 10x to 50x for 16+ OAK. Klowns is a scatter wins slot and contains no wild symbols.
Klowns: Slot Features

Klowns includes Needle Boxes, Klown Multipliers, Lester’s Cash Carousel bonus, Jester’s Jackpot bonus, and bonus buys.
Total Win Bar & Klown Multipliers
All wins are collected into the Total Win Bar next to the play area. At the end of a spin, any triggered Klown Multiplier is applied to the Total Win Bar, and the final total win is paid out. Klown Multipliers trigger at the end of each spin provided at least one win has landed. Adding Klown Multipliers range from x2 to x500 and, when activated, are added to the current multiplier shown in the Total Win Bar. Multiplying Klown Multipliers range from x2 to x20 and, when activated, multiply the current multiplier in the Total Win Bar.
Needle Boxes
Needle Boxes activate when they land after wins have been paid. They cause a grid clear that removes symbols depending on the Needle Box type. Low Symbol Needle Boxes clear the low-pay symbols, paying 0.1x the bet for each symbol removed. High Symbol Needle Boxes clear the high-pay symbols, paying 0.5x the bet for each symbol removed.
Lester’s Cash Carousel
Landing 3 FS scatters awards 10 Lester’s Cash Carousel free spins. The bonus plays with the same rules as the base game, but with an increased chance of hitting high multipliers.
While the feature runs, every activated multiplier that gets added to the Total Win Bar is also stored inside a Bounty Balloon positioned outside the grid. The multiplier held in the Balloon keeps increasing until it is popped by landing an Epic Needle Box. When it pops, the stored multiplier total is added to the Total Win Bar multiplier, and the Balloon respawns, restarting the collection from zero.
Epic Needle Boxes wipe all low and high symbols from the grid, effectively combining Low and High Symbol Needle Boxes and popping the Bounty Balloon. Landing 2 FS symbols grants +2 free spins, and landing 3 FS symbols grants an additional +4 free spins.
Jester’s Jackpot
Hitting 4 FS symbols in the base game triggers Jester’s Jackpot 10 free spins. This bonus follows the same mechanics as Lester’s Cash Carousel, except the Bounty Balloon respawns with the previous multiplier intact instead of resetting to zero after being popped. Retriggers work the same way as in the prior bonus.
Bonus Buy
In Klowns’ bonus buy section, players can pick from four options: BonusHunt FeatureSpins – 3x the bet. Each spin is 5 times more likely to trigger free spins; Laughing Loot FeatureSpins – 50x the bet. Each spin guarantees a Klown Multiplier and a Needle Box. Epic Needle Boxes can appear, but FS scatter symbols cannot; Lester’s Cash Carousel – 70x the bet; Jester’s Jackpot – 200x the bet.

Klowns: Slot Verdict
Even with a major theme shift, Klowns stays very close, mechanically, to the scatter-pay template established by heavyweights like Sweet Bonanza and Gates of Olympus. The core idea remains: land 8+ matching symbols alongside a multiplier symbol and get paid. Multiplier symbols didn’t appear in huge numbers during the base game, but they can still show up there, which is a positive since they can hit unexpectedly. The additive multipliers can also reach hefty levels, topping out at 500x, and having multiplicative multipliers in the mix is rarely a downside. Together, the scatter wins, cascades, and multiplier system provide a strong base for Klowns to take the formula somewhere slightly different.
It does that partly through the Needle Box symbols, which add a neat twist. Clearing the grid not only sets up another cascade and another shot at a win, but each cleared symbol also pays a cash amount. It’s not massive per symbol, but it adds up and helps. Needle Boxes become even more important in the free spins rounds, since they’re central to unlocking the Bounty Balloon and transferring its stored multiplier value into the Total Win Bar multiplier. Hacksaw Gaming clearly knows how to pack multipliers into a slot, and in Klowns they can be crucial for a run at the 10,000x win cap.
Scatter-paying slots keep spreading across the casino world, and with Klowns, Hacksaw Gaming has delivered one that borrows from the greats while steering into a fresher, more ominous direction.
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ProviderHacksaw Gaming
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RTP96.26% | 94.31% | 92.31% | 88.30%
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VolatilityMedium (3/5)
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Reels6
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Rows5
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PaylinesScatter Pays
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Min/Max Bet0.10/100
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Max Win10,000x
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Hit Freq40%
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Release DateJanuary 2, 2025