Mental Slot Review

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76% Rated

Graphics - 71%

Gameplay - 78%

Bonuses - 68%

Value - 66%

Whizz hot?

  • Bizarre theme
  • Strong visual identity
  • 66,666x max win
  • Packed with bonus rounds

Whats not so hot?

  • Complex and volatile!

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Game information




Nolimit City









Mental is a video slot from Nolimit City. That’s a fancy studio full of neat ideas. This time around, it takes players to a mental asylum. Let’s just say Mental is by no means a typical theme for an online slot. We must point out it’s fresh but not for everyone. Nolimit City knows how to lay it down have a look at xWays Hoarder xSplit one of its previous releases.

Back to the Mental slot review. The playing field has 5 reels comes with a 3-2-3-2-3 setup. That makes for 108 ways to win, but you can get even more via bonus rounds.

Talking of the special features. Nolimit City packs it in with Fire Frames, Dead Patients, Enhancer Cells, Spider Symbols, and Free Spins. Last but certainly not least. There’s a Feature Buy Option for players that want to dive into the juicy bits.

The math model combines high variance with a massive 66,666x the stake jackpot. The hit frequency stands at 34.19% which is high. You can therefore expect a winner on roughly every 3rd spin. The coin betting range is $0.20 to $70 per spin. You can play Mental as a free slot if you want. Players that want to play the slots for real money, can do so at the best new casinos online.

metal slot by nolimit city

RTP & Symbols

The RTP of Mental is on the sunnier side of average at 96.08%. You can improve it even further by buying into some of the bonus rounds.

The visual identity of Mental is strong and it’s unlike anything you’ve seen before. The symbols have body parts and patients! Which is macabre, to say the least. In the same breath, it’s fresh and interesting. To be honest the slot is not for everyone. The patient symbols are the high pays; they pay as much as 5x your stake for 5.

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metal slot by nolimit city

Bonus Rounds Mental Slot

Fire Frames

On each spin, you’ll get 1 to 13 positions in Fire Frames. These frames automatically split landing symbols into two. This gives you more ways to win in the process.

Dead Patients

Whenever 2 Dead Patient symbols hit, you’ll get one of the special Patient symbols with a random multiplier. The payout ranges from 5x to 9,999x. Further, it shows how many symbols of the same kind appear on the given position.

Enhancer Cells and Spider Symbols

By getting enough Fire Frames on reels 2 and 4, you’ll activate Enhancer Cells. When you do, you’ll get one of the different special effects. These range from extra Wilds to xNudge. Wilds that nudge become fully visible. Those xNudge Wilds also come with win multipliers, so they are worth getting! Also, you can land Spider symbols on those reels to get another effect.

Free Spins

As if that wasn’t enough there are 3 Free Spins Features. Starting with the Autopsy Free Spins, Lobotomy Free Spins, and Mental Free Spins.

Autopsy Free Spins trigger on 3 Scorpion symbols. You’ll get 8 of them, with a chance to get more. Here, Fire Frames stick throughout free spins, making it easier to get more ways to win.

For 3 Scorpion symbols and one Spider symbol, you’ll get 9 Lobotomy Free Spins. Those work like Autopsy Free Spins, but there’s also another twist. You can collect symbol multipliers freely and get more ways to win that way as well.

For 3 Scorpion symbols and two Spider symbols, you’ll get the top Mental Free Spins. These come in batches of 10 and they have sticky Spider symbols. In other words, you’ll get one of the Spider symbols effects on each spin!

Feature Buy

Players that don’t want to ride it out can buy into several of the bonus rounds as well. There are quite a few options to choose from, with 80x-1,000x price tags.

metal slot by nolimit city

Mental Tips & Strategy

We played Mental for 200 spins more time than we usually play a slot. Dang, and what a wild ride it was! Once the visuals settled with us, we enjoyed all the bonus rounds from start to finish.

We even tried the Feature Buy options and so should you. They fast-track you to the juicy bits that also pay the most on average. We never got above 147x our stake for a win. That was via one of our Feature Buy forays and it was worth it. Note that the volatility is extreme in Mental. If you want to know what you’re up against, play the slot with free credits.



Nolimit City launched a top-notch slot in Mental. It has everything you could wish for and even more. A new theme? Check. Many bonus rounds? Check. A huge jackpot? Sure, to the tune of 66,666x no less’.

It’s something completely different and we highly recommend the experience. That’s if you can stomach the downright shocking visuals. We have to hand it to Nolimit City they know how to shock their slots audience. We part ways with this slot review by saying it’s one of the scariest online slots out there.

If you enjoy playing slot games with captivating themes and bonus rounds we suggest, San Quentin xWays. The jackpot comes in at a whopping 46,656x. There’s also a Free Spins feature with Jumping Multipliers of up to 512x. Whatever you do just don’t drop the soap!

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