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Reviews of Online Gambling Sites What are the Best Frankenstein Slots Online
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Let’s face it, Frankenstein is one of just a few timeless figures in horror movies. As such, top-notch developers were always going to use it for their horror slots.
That’s why there are a number of high-quality Frankenstein slot machine games from the likes of NetEnt and Nucleus Gaming worth checking out in 2025.
In the remainder of this page, we’ll talk you through the best Frankenstein slot machines, dissect their key features, and show you where they’re available.
Oh, and I almost forgot – contrary to popular belief, Frankenstein is the doctor’s name! The beast, on the other hand, is called “creature”, “monstrosity”, or “fiend”.
Top Frankenstein Slot Games Overview
Here’s a quick glance at the top Frankenstein slots you can play online:
- Frankenslot’s Monster (BetSoft)
- Freaky Frankenstein (Nucleus Gaming)
- Monster Manor (Qora Games)
- Monster Blox (Dragon Gaming)
- Monster Heads (Urgent Games)
Slot Breakdowns
There aren’t that many high-quality Frankenstein slots available at US online casinos. Even those that are available might not provide an enjoyable gameplay experience. That’s why we’ve found the top 5 slots that won’t let you down. So, in the next few sections, we’ll address each of the featured Frankenstein slot machine online games.
Frankenslot’s Monster (BetSoft)
BetSoft is no stranger to horror games. One of their oldest creations is Frankenslot’s Monster, a game released in October 2016. We’re talking about a medium volatility slot here, featuring a 5×3 grid and 96.83% RTP.
- Developer: BetSoft
- RTP: 96.83%
- Paylines: 20
- Grid: 5×3
- Unique Features: Bonus rounds, electrified wilds, scatters, and free spins
Freaky Frankenstein (Nucleus Gaming)
Next up, we have Nucleus Gaming’s Freaky Frankenstein. This slot is all about Doctor Frankenstein and his horrific creation, featuring an artsy vibe and detailed (and cartoony) character models.
- Developer: Nucleus Gaming
- RTP: 95.02%
- Paylines: 20
- Grid: 5×3
- Unique Features: Wilds, scatters, free spins
Monster Manor (Qora Games)
Monster Manor is another Frankenstein slot worth checking out. While it does not have advanced graphics or 3D models, Monster Manor stands out with a unique art style and charming symbols.
- Developer: Qora Games
- RTP: 96%
- Paylines: 10
- Grid: 5×3
- Unique Features: Ghost bonus symbols, wilds, free spins
Monster Blox (Dragon Gaming)
Next up, we have Dragon Gaming’s Monster Blox. This online slot has a below-average RTP of 94.13%, but makes up for it with a plethora of exciting features. On top of that, it has a charming art style, a simple user interface, and support for mobile devices.
- Developer: Dragon Gaming
- RTP: 94.13%
- Paylines: Cluster pays
- Grid: 6×6
- Unique Features: Cascading reels, cluster pays, free spins, jumbo symbols
Monster Heads (Urgent Games)
Urgent Games’ Monster Heads was released just before Christmas 2024 and is one of the company’s biggest successes. Despite having a slightly below-average RTP of 95%, Monster Heads still provides a solid profit potential and plenty of excitement.
The main reasons behind this are gameplay elements like its 20 paylines, 5×5 grid, and free spins. There’s also the bonus symbol, which can significantly boost your profit potential.
- Developer: Urgent Games
- RTP: 95%
- Paylines: 20
- Grid: 5×5
- Unique Features: Wilds, scatters, bonus symbols, free spins
Where to Play Frankenstein Slots Online
In our experience, the following three sites offer the best variety of online slots, including several Frankenstein games to choose from.
Wild Casino
Wild Casino currently offers Monster Manor, Monster Blox, The Monster Syndicate, and Frankenslot’s Monster online slots, and 500+ other games you can choose from.
The most notable game providers at Wild Casino are Qora Games, BetSoft, and Dragon Gaming. The site’s casino hub is conveniently categorized into 7 lobbies, plus a section dedicated to on-site tournaments. Everything works like a charm regardless of the device you’re using, be it a PC, laptop, phone, or tablet.
- Collect up to $5,000 on your first five deposits
- Two live dealer casino studios
- User-friendly website with a modern design
- Reputable sister sites
- Multiple banking options, including crypto
- Fees for certain withdrawals
- Unorganized slots section with no filters
Super Slots
- $6,000 welcome bonus split over your first six deposits
- Mobile site compatible with all major devices including iOS and Android
- Deposit up to $100,000 with cryptocurrencies
- Live dealer casino games from Visionary iGaming (ViG) and Fresh Deck Studios
- More than 200 casino games
- Parent company has 20+ years of online casino experience
- Fees on some withdrawal methods
- No demo games available
El Royale Casino
El Royale has been in business online since 2020. They feature a wide variety of casino games and have one of the best welcome bonuses in the business.
- Live dealer casino from Visionary iGaming
- Welcome bonuses worth up to $12,500
- Over 130+ slot machines
- No fees for withdrawals
- Lacks multiple bitcoin withdrawal options
- No craps and baccarat
Summary
According to our research, the ideal Frankenstein slot machine needs to have an artsy visual appearance, a horror atmosphere, and plenty of charm. Of course, technicalities such as high RTP, balanced volatility, and free spins are obvious nice-to-haves, but we were primarily focused on the aesthetics.
Now that we’re done with the list of the best Frankenstein slot machines, we’d like to hear your thoughts. Did we miss your favorite Frankenstein slot? If so, please let us know in the comments section down below.
Until next time,
May the odds be in your favor!
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