Rotten Slot - Review, Demo, Casinos, Bonuses

Rotten is a volatile zombie slot from Hacksaw Gaming, and it plays out on a 6x5 grid with 35 paylines. The SwitchSpins™ feature can provide up to 10 symbol replacement respins, and you get more of that in both bonus round tiers. The switched symbols never reset in the top-tier Total Takeover round, and the max win is 10,000x your stake. Check our full review below the free demo game.

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User Rating: 7.0/10 (2 votes)

Provider:Hacksaw Gaming
RTP 🔗: 94.13% RTP Ranges!
Variance: High
Max Win: x10000.00
Betways: 35
Release Date: 2022-12-22
SlotRank: N/A
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Online Casinos where you can play Rotten

We have scanned 12 casinos in US New Jersey, and we have not found Rotten on any of them at the current moment. Do not hesitate to check our top casinos in US New Jersey:

Rotten Review

This reviewer is more fascinated by our collective fascination for zombies, than for zombies as such. It’s almost like someone or something is trying to tell us something, but it’s just not quite clear what it is. Anyway, Rotten takes you into a bleak post-apocalyptic world set in a fairground filled with the undead creatures, and they basically just stand there and stare at you with piercing eyes that shine in the dark.

It’s a menacing display for sure, and the artwork is overall highly impressive for a zombie slot. Hacksaw comes up with a new innovation in this release as well, and the trademarked SwitchSpins feature livens up the base game with symbol transformation respins. The same goes on in both bonus rounds, and the switched symbols never reset in the top-tier Total Takeover round. This can lead to payouts up to 10,000x your stake, and horror fans should definitely give this one a chance.

Rotten Slot - Reels Screen

Rotten Slot Features

The 5 premium character symbols are hardly creatures you would want to meet on a nocturnal stroll, and they pay between 15 and 40 x your stake for 6 of a kind wins. The stretching hand Wild symbol can appear anywhere, and it steps in for pay symbols to help complete wins. Wilds are also the highest paying symbol in the game, awarding 50x your stake for 6 on a payline.

The trademarked SwitchSpins feature triggers when you land a Switch symbol, and this gives you 1 to 10 respins. Symbols are selected randomly to be replaced by either the top-tier clown symbol, or by wilds. You can get more symbol replacements and respins by landing new Switch symbols, and you get an overview of the switched symbols above the grid

The Mad Scientist Bonus Round triggers from 3 mad scientist scatters anywhere in view, and this awards 10 free spins. The feature plays out similarly to the base game, but it comes with a higher likelihood of landing Switch symbols. Nothing is guaranteed, however, so the feature is a bit hit or miss.

You need 3 total takeover scatters in view to trigger the Total Takeover Bonus Round, and it can also trigger from within the Mad Scientist feature. Either way you get 10 free spins, and you get a higher chance of landing the Switch symbol also here.

Also, the selected switched symbols don’t reset per free spin, like in the Mad Scientist feature and in the base game. This increases your chances of landing full screen wins with wilds or the top-tier symbol. You win +4 extra spins from landing 3 total takeover scatters.

The Bonus/Feature Buy feature is available in some jurisdictions, but not in the UK for sure. If available, however, it comes with with following options:

  • Bonushunt FeatureSpins (very high volatility and top-tier RTP of 96.26 %) - pay 3x your stake for spins with a 5x higher likelihood of triggering a bonus round.
  • Switch FeatureSpins (extreme volatility and top-tier RTP of 96.16 %) - pay 20x your stake to get a guaranteed Switch symbol per spin.
  • Mad Scientist (high volatility and top-tier RTP of 96.26 %) - pay 110x your stake to get this bonus round.
  • Total Takeover (very high volatility and top-tier RTP of 96.26 %) - pay 250x your stake to get this bonus round.

The 200 Spins Rotten Slot Experience

You get to see a few smaller base game wins, before we purchase the Mad Scientist bonus round at 0:45 into the 3:20-minute highlights video. We buy the Total Takeover round right after, and it triggers at 1:48 into the video. You can see for yourself how it all played out by simply hitting the play button below.

Review Summary

We were immediately impressed by the gloomy artwork Hacksaw has come up with for this game, and Rotten is pretty much the perfect title as well. The bizarre clown and zombie just standing there in their wobbly ways adds to the highly tense and menacing atmosphere, but don’t expect all that much to happen in the base game most of the time. Hacksaw is known for brutal volatility, and this release is certainly no exception.

You are basically waiting around for the Switch symbol to land, and there are plenty of dead spins to wade through between anything significant. The feature can deliver at times, but that is much more likely to happen in the top-tier Total Takeover bonus round. This is where this bleak creation shines, if we can call it that, at least when things go your way. Close to, or full-screen wins on repeat with high-value symbols, is both fun and potentially lucrative to the tune of 10,000x your stake.


  • SwitchSpins™ w/ top-tier or wild symbol replacement
  • Mad Scientist FS w/ more frequent Switch symbols
  • Total Takeover FS w/ non-resetting symbol replacement
  • Feature/Bonus Buy menu w/ plenty of options (not UK)
  • Win up to 10,000x your stake


  • Not for the faint of heart (also volatility-wise)
  • Beware of customizable RTP ranges


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Rotten Slot FAQs

What is the RTP of Rotten?

The top-tier RTP of Rotten is 96.27 %, which is a bit above the industry average. However, this release comes with adjustable RTP ranges of 94.13, 92.23, and 88.03 %, depending on the market.

How volatile is Rotten?

This is a high volatility installment from Hacksaw, and it scores 5 out of 5 on their own volatility scale.

What is the biggest win possible?

You can win up to 10,000x your stake in Rotten, which is Hacksaw’s solid go-to potential.

How does the SwitchSpins™ feature work in Rotten?

Switch symbols trigger up to 10 respins, where randomly selected symbols are replaced by either the top-tier symbol or wilds.

Is there a free spins mode in Rotten?

Yes, you get the Mad Scientist bonus round which comes with a higher Switch symbol hit rate. The same is true in the Total Takeover bonus round, but here the switched symbols also never reset.

Can I play Rotten Slot for free?

Yes, you can try the free demo game at the very top of this page (UK players must verify age first). Up there, you’ll also find casinos we have confirmed to carry this title.

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Scanned Countries

US New Jersey

Sorry, Rotten is not available for this market. In total, we scanned casinos at 56 in various markets. Rotten is available in 45 countries. The markets with the highest number of casinos are: CA, FI, NO, NZ

Country Scanned [i] With Game [i] In Lobby [i] SlotRank [i] Action
Canada CA 584 353 1 1738 See Data
Finland FI 539 318 1 1682 See Data
Norway NO 414 266 1 1538 See Data
New Zealand NZ 429 252 0 1979 See Data

Show All Countries (45)

Game Is Cold
Game Is Cold

Game RTP: 94.13%

SRP [ i ] : 17.86%

RTP -76.27%

For Last 4 Hours:

Spins: 196

Bets (EUR): 39€

Wins (EUR): 7€

Rotten Attributes

Provider: Hacksaw Gaming
Release Date: 2022-12-22
Type: Video Slots
RTP: 94.13% RTP Ranges!
Variance: High
Hit Frequency: 33
Max Win: x10000.00
Min bet $, €, £: 0.1
Max bet $, €, £: 100
Layout: 6-5
Betways: 35
Features: Additional Free Spins, Bonus symbols, Buy Feature, FreeSpins, Remove Symbols, Respins, RTP range, Scatter symbols, Symbol Swap, Symbols collection (Energy), Wild
Theme: Zombie theme
Objects: N/A
Genre: N/A
Other tags: Brown, Monsters, Zombie, Clown
Technology: JS, HTML5
Game Size: 1000 MB
Last Update: 2023-04-06

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