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This horror-video slot will give you the heebie-jeebies. If you are into that kind of thing, you can play this slot on leading online casinos available on CasinoWow. Try it for free here and see how you can get wins of up to x66,666 bet.

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Mental Review

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Slot Overview

Mental Big Win

Big Win

Mental Bonus Feature

Bonus Feature

Mental Paytable


slot machine icon Name


chef hat icon Released


customer icon Provider

Nolimit City

platform icon Platform

Desktop, Tablet, Mobile

web design icon Occasion

Halloween Slots

Slot Details

RTP icon RTP


Volatility icon Volatility


Jackpot icon Jackpot

x66,666 bet

paylines icon Paylines


Reels icon Reels


Rows icon Rows


Min. bet icon Min. bet


Max. bet icon Max. bet



Game Rating


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Sound Effects

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Loading Time

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Game Features

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Big Win Potential

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Mobile Gaming

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The Overall Rating of this casino game was calculated based on our research and data collected by our casino games review team. Learn more about Our Review Process

Game Review

Mental Slot

Creepy is one way to define this horror-themed online video slot, based in an asylum with body parts, patients, and other terrifying add-ons one would not normally find in an institution like this one.

The slot layout of Mental is unique, especially with the 3-2-3-2-3 grid pattern and the variance of symbols appearing on one reel. With up to 108 ways to win, players can look forward to special features like fire frames, deceased patients, enhancer cells, Mental Transform, and free spins.

This is a Nolimit City online slot, and they have a gift for reaching into one's deepest darkest thoughts to create an entertaining piece like Mental that can be played repeatedly with no limit - except for their maximum win, which is a creepy x66,666 bet.

Theme, Soundtrack, and Symbols

Very eerie music keeps the guests at this Mental asylum company as they undergo different experiments like lobotomies, cell enhancement, and other frightening procedures requiring muzzles. High-paying symbols are a series of unwell patients named Patients 1 to 5, while low-paying symbols are several organs like eyes, brains, hearts, lungs, and skeleton hands.

The Fire Frames symbols land on a random spot anywhere on the grid of the main game, and the symbol it lands on will split into two parts. The dead patient symbol gets activated when two dead patient symbols are on the grid; it then reveals one of the patient symbols with a random multiplier of up to x9999 bet. The multiplier value reflects the symbol count on that reel.

Enhancer cells are at the bottom of reels 2 and 4 and get activated with at least four fire frames. Each enhancer symbol can reveal a patient symbol, dead patient symbol, xWays symbol, xSplit symbol, Wild, or Nudge Wild symbol. The Mental Transform is a spider that lands on reel 2 or 4 and transforms into an xWays, xSplit, Dead Patient, Wild
or Patient symbol.

Game Mechanics

The unique grid set of 3-2-3-2-3 keeps the gameplay interesting and will have you wondering what will happen next, hoping for the jackpot payout of x66,666 bet. The RTP varies due to the different ways to play with special symbols; therefore, 96% is just a theoretical amount.

Players can increase their bet amount, set a stop loss and win maximum when selecting autoplay while admiring the creative graphics created by the game developers or opt for the lightning bolt fast spin if they want it to go by faster. Keep an eye on your bankroll when selecting this game option, as it can drop fairly quickly.

Special Features

The Bonus game is activated when a combination of symbols land on the grid together. Different free spins features from the bonus game can be claimed, including Autopsy free spins triggered by three scorpion symbols. This will award eight free spins. Up to five positions on the grid get a Fire Frame, and each Autopsy Free Spin can upgrade to a lobotomy Free Spin or Mental Free Spin.

The Lobotomy Free Spins occur in the base game when three scorpion symbols and one spider lands. The Dead Multiplier is the highest multiplier from each Dead Symbol accumulated. This happens when the Dead multiplier transfers to its patient symbol, which increases by +1.

Mental Free Spins occur in the main game and require three scorpions and 2 spiders to trigger. The Dead Multiplier doesn't increase after transferring; it just builds up with new dead patients.

Some symbols get sticky during the free spin rounds, mainly the spider and scorpion symbols. The Buy feature allows players to buy bonus tools like x80 bet, x230 bet, x1000 bet, and x232 bet for up to €100 each.

Play 'On The Go'

For those who like to feel a little rush during the day, the Mental video slot is available for mobile play and can give you the scare you need by playing anytime and anywhere. The game is available through your mobile browser on almost any device. Thanks to HTML5 technology, the game will resize to match any device screen, keeping you playing comfortably without any hitches.

CasinoWow Game Verdict

Slot enthusiasts who like it a bit darker, creepier, and scarier will love this asylum thriller Halloween-style slot provided by none other than Nolimit City, who are known for their 'different' content.

The game mechanics, graphics, and bonus games are excellent, with much thought behind special symbols and their integration. Mental is available in demo format to allow players to test the water before placing their stake. The horror-themed online slot is available at leading Nolimit City online casinos proudly featured by CasinoWow.

Anything incorrect or missing?

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Game Review by Mira

CasinoWow Contributor

Hi, I’m Mira and I am the Wow Mama of CasinoWow! In the last years, I’ve helped the site grow by being part of each component - games, brands, bonuses, guides, news - you name it! Nothing can get past me and I have an eye for everything in the online gambling industry. My goal is to bring all those insights to the players, part of the Wow family.

Mental FAQs

Can I take advantage of casino bonuses in Mental slot?

Many online casinos feature bonuses and promotions for Nolimit City slots. Make sure that the Mental slot is available as a qualifying game before you claim the bonus to ensure that you can be a part of the fun.

Can I trust Mental slot?

The Mental slot is highly reputable, provided by a top game provider Nolimit City, and available in over 30 different countries.

Can I play Mental slot on mobile?

With the use of HTML5 technology, Mental is available on mobile devices, with the screen adapted perfectly for all access in the reach of a thumb.

Can I play Mental slot in my country?

The Mental online slot is available in over 45 countries, including South Africa, New Zealand, Canada, and the United Kingdom.

Play Mental for Real Money

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