In Mental, the frame around a symbol can matter as much as the symbol itself. A Fire Frame splits its position, an opened Enhancer Cell adds another modifier, and a Spider changes what the patient symbols become. Reading the board in that order is more useful than trying to absorb every animation at once.
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Mental is a Nolimit City slot whose official game sheet shows five reels with a 3–2–3–2–3 arrangement. Fire Frames can split positions, so that starting shape is not a complete description of the board after modifiers resolve. The current catalog dates the game to 31 August 2021.
The Nolimit City profile explains why the studio’s feature names need to be read in each game’s context. Mental belongs to the horror collection because of its fictional institution, patient characters and unsettling imagery. The theme is presentation, not a statement about real mental illness or the people receiving care.
For adults of legal gambling age in their location. Set a budget you can afford to lose.
Read full reviewThe official game sheet lists 96.08% for Mental and 94.20% for MentalDX1. These are different documented configurations. The highest listed percentage should not be assumed to apply to every supplied game or purchase mode.
The starting field is uneven, with three symbols on the outer and middle reels and two on the intervening reels. Fire Frames split symbols into two parts. Enhancer Cells can add modifiers such as xWays, xNudge or xSplit, so the visual state can change before the final combinations are evaluated.
This is not a conventional fixed-payline game. Nor is every increase in visible positions a separate paid spin. If you want to reconstruct a result, note the original field, then the modifiers that changed it, and finally the credited award.
Autopsy introduces sticky Fire Frames. Lobotomy adds a sticky Spider and recurring Mental Transform, alongside the Dead Multiplier interaction. Mental adds a second sticky Spider and a Dead Multiplier that does not decrease under the official description.
The differences concern what survives between feature spins, not just how imposing the bonus screen looks. That is why the tier name is essential context in a highlight. San Quentin xWays provides another example of a Nolimit game where persistent multipliers are central, but its Jumping Wild rules should not be imported here.
Mental is for readers prepared to pause and identify what each modifier actually changes. It is not an especially accessible introduction to ways games. If your interest is the mechanism rather than the imagery, begin with the Fire Frames and the persistence rules; trying to learn every branded term from a rapid highlight is likely to create more confusion than insight.
The official sheet describes between one and 13 randomly placed Fire Frames. A framed position splits its symbol into two parts. This changes the symbol structure used by the game; it is not an extra stake charged for each part or a promise that the split symbol will form a win.
In the Autopsy feature, those frames become sticky. Their persistence is the first important change from reading an isolated base-game field. When comparing two feature spins, establish which frames were already present before deciding what the new result added.
Four or six Fire Frames can open the relevant Enhancer Cell activity described in the sheet. The listed modifiers include xWays, xNudge and xSplit. These names refer to changes in symbol structure or Wild behaviour; they should not all be translated into a single generic “multiplier bonus.”
A split can increase the number of represented symbols, while a nudging Wild can change its own multiplier as it moves into view. Those operations affect a payout calculation differently. The mechanic-versus-marketing article is useful for separating an operation from its branded label.
The sheet describes two Dead Patient symbols as the condition for a random multiplier ranging from 5× to 9,999× on a patient symbol. That wording matters: it does not say that the full balance, every symbol or the entire feature total automatically receives the displayed value.
Read which patient is affected and how it participates in the final result. A large label next to one symbol is insufficient evidence of the round’s cash payout. The large-win verification guide shows why the final credited total and stake must remain visible.
The Spider activates Mental Transform. In the higher free-spin tiers, sticky Spiders make this a repeated part of the feature rather than an isolated arrival. The practical question is which symbol state the transformation creates before evaluating the result.
Do not combine an image from before the transform with a multiplier shown after it and assume they describe the same evaluated board. Complex feature clips often omit these intermediate states, making a still frame an unreliable reconstruction tool.
Three Scorpion symbols trigger Autopsy Freespins with sticky Fire Frames. The official sheet says the feature can upgrade to Lobotomy or Mental. It does not provide a complete spin-count table in the material used here, so this review does not invent an initial count from another title or a generic summary.
For the supplied version, read the initial count and upgrade conditions in its help before interpreting a recorded feature length. The number of reel resolutions in an edited clip is not proof of the initial allowance.
Three Scorpions together with one Spider trigger Lobotomy. Its sticky Spider produces Mental Transform on each feature spin, and the Dead Multiplier can transfer to a patient symbol. This tier can upgrade to Mental under the provider description.
Three Scorpions with two Spiders trigger Mental Freespins. Both Spiders remain sticky, and the Dead Multiplier does not decrease. That persistence is the relevant distinction; the phrase does not mean the credited cash total is guaranteed to rise by a fixed amount on every spin.
The official sheet describes purchase options ranging from 80× to 1,000× the base stake, subject to availability in the supplied market. It does not establish every intermediate price in the material reviewed, so the card does not fill those gaps from memory.
At a €0.20 base stake, the range’s endpoints correspond to €16 and €200. A hypothetical €80 feature payout would be €64 above the first cost but €120 below the second. The multiplier printed beside the payout is not enough to determine profit. The Bonus Buy guide explains the full calculation.
The stated total payout cap is 66,666× the base stake, and reaching it ends the round. A modifier that can keep developing does not remove that cap. The cap also does not establish the probability of any ordinary-sized award.
The primary reference is Nolimit City’s game-specific Mental sheet, supported by the current product data, checked on 15 October 2026. The public product page also contains an unrelated submarine-game summary. Its grid, features and figures are excluded from this review rather than treated as Mental rules.
The sheet labels its frequency figures as results of a simulation of ten billion spins. Those are provider figures, not a session run by this author. This review does not turn a simulated feature frequency into a schedule for when a bonus should occur.
The practical reading order is field, Fire Frames, Enhancer effects, patient transformation, relevant multiplier and final award. In a higher-tier feature, also identify which frames and Spiders carried over from the previous spin. That sequence provides a way to inspect the design without inventing a personal playing history.
The official sheet describes desktop and mobile support, but no current operator interface or handset performance measurement is claimed here. A working game’s own rules remain necessary for the precise entry prices and available settings of that build.
Persistent frames and a rising patient multiplier can create a strong sense of unfinished progress. They do not reveal the next outcome or justify buying another feature after the current one ends. Set the cost limit before selecting a purchase and compare the completed award with the actual purchase price, not only the base stake.
Identify the feature tier.
Autopsy, Lobotomy and Mental retain different states between spins.
Separate symbol multipliers from total payouts.
A value attached to a patient is not automatically the full feature return.
Read the purchase confirmation.
The displayed base stake is not the cost of an 80× or 1,000× entry.
Patient symbols provide the regular character set. Scorpions trigger the free-spin entry, Spiders activate Mental Transform and affect the tier, while Dead Patient symbols participate in the patient-multiplier event. Fire Frames are position modifiers rather than ordinary paying character symbols.
Three trigger the free-spin entry; accompanying Spiders determine the higher tiers.
Activates Mental Transform and becomes sticky in the higher free-spin tiers.
Two participate in a random patient-symbol multiplier event with a published 5×–9999× range.
The summary table records confirmed trigger combinations and persistent effects. It does not fabricate a complete regular-symbol paytable from promotional art. Splits, Wild modifiers and transformed patient states must be evaluated under the supplied game’s own detailed award rules.
| Entry | Trigger | Persistent state |
|---|---|---|
| Autopsy | 3 Scorpions | Fire Frames |
| Lobotomy | 3 Scorpions + 1 Spider | Frames and Spider |
| Mental | 3 Scorpions + 2 Spiders | Spiders; Dead Multiplier does not decrease |
The 9,999× upper figure belongs to the documented Dead Patient multiplier range. The 66,666× figure is the game’s total payout cap. They are different quantities and should not be multiplied together to create an invented maximum.
The sheet documents 96.08% and 94.20% configurations. On €250 of cumulative stakes, those percentages correspond to theoretical losses of €9.80 and €14.50 respectively, a €4.70 difference in the long-run calculation. This does not predict a short session. The provider labels volatility Extreme on its own scale; that describes its classification and is not converted into a universal threshold shared with other studios.
Nolimit City
Extreme
66,666×
Sticky Fire Frames are feature state, not a guarantee that the next split will form a win. Identify what persisted before assessing what changed.
On a small screen, the frame, Spider and patient multiplier can compete for attention. Open the rules and follow one operation at a time.
Mental and MentalDX1 have different published RTP figures. A review quoting only the higher percentage cannot identify the supplied version for you.
The game sheet specifies HTML5 support for mobile and desktop and a reference 16:9 presentation. It does not establish identical control positions on every operator build. The useful mobile check is whether split positions, persistent Spiders and multiplier labels remain legible without confusing the pre-transform and post-transform boards.
Locate the full rules before interpreting branded modifiers
Read the exact RTP configuration
Distinguish framed positions from additional character symbols
Check the feature tier and actual purchase cost if offered
San Quentin xWays develops Jumping Wild multipliers through Razor Split interactions. Deadwood uses nudging Wilds and a different choice of persistent multiplier behaviour. Mental places more emphasis on framed positions, transformations and patient-specific effects than either comparison.
| Game | Return / max win | Volatility | Bonus fit | Watch out for |
|---|---|---|---|---|
| Mental | 94.20%–96.08% / 66,666× | Extreme | Autopsy adds sticky frames, Lobotomy a sticky Spider and Dead Multiplier interaction, and Mental two sticky Spiders with a non-decreasing Dead Multiplier. | The feature tiers, patient multipliers and total game cap are separate pieces of information; a large number alone does not explain the credited award. |
| Monster Money | 90.00%–96.00% / 5,000× | High | Three Bonus symbols open a staged Free Spins run; Bat Bonus can push entry into Super Free Spins with starting upgrades. | Shared Halloween art does not make Hunter-trail rules interchangeable with other studios’ collectors. |
| Ouija | 95.08% / 2,830× | High | Each upgrade needs a seventh-spin scatter set; Feature Buy only opens the first seven Free Spins. | Shared Free Spins language does not make sticky-Wild rules or buy prices interchangeable between studios. |
The appeal lies in understanding how several operations combine. If that is not the experience you want, the high cap does not compensate for the effort required to read each result.
Read Deadwood for a more focused use of xNudge. Its Wild multipliers and Shoot Out upgrade provide a useful contrast with Mental’s denser set of position and transformation effects.
Publication status: Official game-specific sheet and current product data checked on 15 October 2026. Unrelated copied summary text is excluded; simulated provider figures are not represented as an editorial test session.
Mechanics — 4.4/5, weight 30%. Frames, enhancer operations and persistent patient effects create interacting systems rather than isolated bonuses.
Pace and variety — 3.7/5, weight 25%. Several feature tiers vary the board, although the number of operations can make results laborious to follow.
Distinctiveness — 4.4/5, weight 20%. The combination of framed positions and patient transformations has a clear identity among the compared games.
Rules and controls — 2.7/5, weight 15%. Dense interactions and an unrelated public summary make careful version-specific reading essential.
Presentation — 3.8/5, weight 10%. The sepia horror art is coherent and recognizable, but its abrasive theme and busy states limit accessibility.
How the total is calculated. 4.4 × 0.30 + 3.7 × 0.25 + 4.4 × 0.20 + 2.7 × 0.15 + 3.8 × 0.10 = 3.91, rounded to 3.9/5.
Evidence and limits. The assessment evaluates documented design and official art. It does not claim a paid session, a complete observed bonus sequence or independently measured feature frequencies.
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The official sheet describes randomly placed frames that split a symbol into two parts. In Autopsy Freespins, the frames become sticky rather than being read as isolated base-game positions.
Three Scorpions trigger Autopsy Freespins. The official sheet describes possible upgrades but does not supply a complete initial spin-count table in the referenced material.
One Spider with three Scorpions starts Lobotomy with a sticky Spider. Two Spiders with the Scorpions start Mental, where the Spiders remain sticky and the Dead Multiplier does not decrease.
No. The documented event assigns a multiplier to a patient symbol. Its role in the evaluated result and the final credited total still need to be checked.
The official sheet lists 96.08% for Mental and 94.20% for MentalDX1. The running version’s rules determine which configuration applies.
No. It is the stated total payout cap, and reaching it ends the round. Persistent or non-decreasing feature state does not remove that limit.
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