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NoLimit City · Slot Review

Mental 2 — Full Review & Free Demo

4.2/5
Play for Real →
RTP
96.06%
Volatility
High
Max Win
99,999x
Provider
Reels
N/A
Bet Range ($,€,£)
0.2 - 100
Rating
4.2/5
Released
Mar 2025

Mental 2 Slot Overview

Mental 2 is a sequel from Nolimit City that drags you back into a deeply disturbing psychiatric clinic. Built on a 5x3 grid, this thing carries insane volatility, a 96.06% RTP and a top win of x99,999. Fire mechanics drive the entire experience, splitting symbols and triggering boosters across the reels.

If I'm honest with chat, the theme is genuinely grim. Nolimit City warn you upfront about the disturbing visuals, and they mean it. Blood on the walls, abused patients, monster doctors. Not for the faint-hearted. But if you played the original Mental, you know the deal. Everything familiar is here, plus a fat stack of new xMechanics layered on top.

Fire Frames, Enhancers and Key Symbols

Fire is the engine of this slot. Fire Frames land on random positions and split each symbol in two; Fire Reels engulf an entire reel and split symbols into three. You can have 1 to 13 fire positions and 1 to 5 fire reels active at once. Landing 4, 6 or 8 fire positions unlocks 1, 2 or 3 Enhancer Cells beneath reels 2, 3 and 4.

Those Enhancers reveal either Wilds, xSplit Wilds, xNudge Wilds, xWays expansions or premium Patient icons. Five Patients make up the high-value set. Dead Patient Gravestones can also appear, revealing a Patient symbol with a count multiplier up to x9,999 for that position.

Two Scatters run the show. Disembodied (head in a jar) appears on reels 1, 3 and 5, triggering Mental Transform when it lands. Cognitive (brain in a jar) sits on reels 2 and 4. Three Cognitives fire the base bonus; adding Disembodied Scatters upgrades you to better rounds.

Symbol Payouts

scatter
Cognitive Scatter
Brain-in-a-jar scatter appearing on reels 2 and 4; three needed to trigger the base bonus round.
scatter
Disembodied Scatter
Head-in-a-jar scatter appearing on reels 1, 3 and 5; transforms into a high value icon or feature symbol when landing.
wild
xNudge Wild
Nudges up or down to cover an entire reel with a growing multiplier that increases further when split.
wild
xSplit Wild
Turns into a Wild and splits one icon from each reel before splitting itself.
bonus
Dead Patient (Gravestone)
Reveals a Patient icon with a symbol count multiplier up to x9,999 for that reel position.
regular
Patient Symbols
Five high-value patient icons forming the premium symbol set.

Bonus Rounds and Feature Buys

Three tiered bonuses here, each building on the last. Bloodletting Bonus gives 8 spins with persistent fire; any position or reel that ignites stays lit. Surgery Bonus adds a sticky Disembodied Scatter transforming every spin, plus Dead Multiplier collection where Gravestone values are saved and applied in later rounds.

Experimental Bonus is the big one. Both Disembodied Scatters stay sticky and transform each spin. Dead Multipliers only grow and apply every time a matching Patient lands with no cap on uses. You can also upgrade mid-bonus if a missing Scatter drops during free spins. xMental sets the whole grid on fire and activates all three Enhancers, but only triggers in the base game.

Feature buys are extensive. Bloodletting costs x100, Surgery x250, Experimental x1,800, Lucky Draw x330. Individual boosters include xBet at x1.4 per spin, full fire layout at x6, xHole at x99 and xMental at x3,200. Then there is xGOD at x6,666 for a single spin; land an xGOD icon on every reel and you collect x99,999 instantly. Ten seconds and you know.

Bonus Buy Options

Bonus Buy Bloodletting Bonus
Bloodletting Bonus
8 free spins with persistent fire positions. Any position or reel that catches fire stays lit for the remainder of the round.
Feature Cost: x100
Bonus Buy Surgery Bonus
Surgery Bonus
Builds on Bloodletting with a sticky Disembodied Scatter that transforms each spin. Dead Multiplier gravestones are collected and applied in later spins.
Feature Cost: x250
Bonus Buy Experimental Bonus
Experimental Bonus
Top-tier bonus where both Disembodied Scatters remain sticky and transform each spin. Dead Multipliers only grow and apply to all matching Patient symbols with no limit on uses.
Feature Cost: x1,800
Bonus Buy Lucky Draw
Lucky Draw
Awards a random bonus round from the three available tiers.
Feature Cost: x330
Bonus Buy xGOD
xGOD
Single spin for x6,666. If an xGOD icon lands on each reel, the slot pays x99,999 instantly.
Feature Cost: x6,666
Bonus Buy Fire Frames Buy
Fire Frames Buy
Entire layout set on fire for one spin, guaranteeing all three Enhancer Cells activate.
Feature Cost: x6RTP: 96.19%
Bonus Buy xBet
xBet
Increases the base bet by x1.4 for enhanced fire frame frequency.
Feature Cost: x1.4
Bonus Buy xHole Buy
xHole Buy
Purchases the xHole feature directly.
Feature Cost: x99
Bonus Buy xMental Buy
xMental Buy
Purchases the xMental feature directly.
Feature Cost: x3,200

Volatility, RTP and Max Win

Insane volatility with a 96.06% RTP at the top setting; five RTP configurations exist so always check. Hit frequency sits at 31.41%, which sounds generous until you realise most hits are small base game returns. Natural bonus frequency lands around 1 in 249 spins. Max win of x99,999 is expected roughly once every 16 million spins.

Buying the x6 Fire Frames option actually offers the best average return at 96.19% RTP. The base game can drag, if I'm honest with chat. Long stretches of nothing before fire mechanics align. Not everyone will enjoy this level of volatility, and UK players should note that bonus buys may be restricted depending on operator.

💬 What Players Say
Polarising reception. Fans praise the big win potential and dark atmosphere, but many players report harsh dry spells and feel the game is overly reliant on bonus buys to deliver meaningful returns. Based on 2 reviews.
Ryan Cole’s Verdict

Final Verdict

Mental 2 cranks everything up from the original. More fire mechanics, more xFeatures, more ways to buy into the action. I'd stream this for a big session because there is always something happening on screen, and chat would lose their minds over a live xGOD spin. Worth a session if you can handle the volatility and the visuals.

My one gripe: the sheer number of mechanics stacked together can make the game feel cluttered until you learn the flow. If you are new to Nolimit City slots, start with the original Mental first. But for viewers who already know the formula, this sequel delivers a heavier, darker, more loaded version of what made the first one a community favourite.
4.2
★★★★☆
out of 5
✓ Pros
Massive x99,999 max win potential
Three distinct bonus rounds with escalating power
Fire Reels and xHole add real base game action
Extensive bonus buy options for every budget
31.41% hit frequency keeps spins ticking over
✗ Cons
Extremely volatile, long dry spells expected
Disturbing visuals not suitable for everyone
Feature complexity can feel overwhelming at first
Base game bonuses rare at 1 in 249 spins
Ryan Cole
Ryan Cole
Lead Casino Slots Analyst
5+ years analysing online slots for the UK market. Every game is played for a minimum of 500 demo spins before publication. No affiliate bias — ever.
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Mental 2 FAQ
How do Fire Frames and Fire Reels differ in Mental 2?
Fire Frames land on individual positions and split each symbol in two. Fire Reels engulf an entire reel and split every symbol on it into three. You can have up to 13 fire positions and 5 fire reels active simultaneously.
What triggers the three bonus rounds and how do you upgrade between them?
Three Cognitive Scatters on reels 2 and 4 trigger Bloodletting Spins. Adding one Disembodied Scatter upgrades to Surgery Spins, and two Disembodied Scatters unlock Experimental Spins. You can also upgrade mid-bonus by landing a missing Scatter during free spins.
How does the xGOD feature work and what does it cost?
xGOD costs x6,666 your bet and gives a single spin. If an xGOD icon appears on every reel, the slot pays x99,999 instantly. If not, you get nothing. It is essentially a high-stakes coin flip resolved in about ten seconds.
What do the Enhancer Cells actually award in Mental 2?
Enhancer Cells sit beneath reels 2, 3 and 4 and unlock via fire positions. They can reveal Wilds, xSplit Wilds, xNudge Wilds, xWays reel expansions or premium Patient symbols. You need 4, 6 or 8 fire positions to activate 1, 2 or 3 Enhancers respectively.
What changed from the original Mental slot to Mental 2?
Mental 2 keeps Fire Frames, Enhancer Cells, Mental Transform and the three-tier bonus structure from the original. New additions include Fire Reels that split symbols into three, xHole which reshuffles and multiplies symbols, xMental that ignites the full grid, xGOD as a one-spin gamble, and xBet for boosted fire frequency.