R Franco

Z

SlotsVideo SlotsHorrorZombieFutureApocalypseVirus

Zombie laboratory cluster slot with persistent multiplier Wilds

SlotRanker Score
69
/ 99
69
05099

The SlotRanker Score is calculated from the visible data below. It is not affected by affiliate deals, and it cannot be bought.

How this score is built
RTP
94%
return to player
Volatility
Medium/High
variance
Max win
—
top multiplier
Min bet
$0.20
per spin
Reels
7
25 lines
Player rating
3.7 ★
15 votes
DEMO Play free, no signup
R Franco
Z
Embed on your site
3.7 / 5
15 ratings
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User ratings are shown separately from the Slot Score unless stated otherwise.

Why this score

High confidence (86%)

Five weighted signals shape the composite. Four context signals refine ties. See how we rate for the full methodology.

Slot score profile across 5 weighted categoriesPayouts & RTP6/10RTP 94% → 6.0/10Volatility9/10high → 9.0/10Win Potential—no dataFeatures8/108 features → 8.0/10Game Mechanics7.4/10f=8 r=6 p=n/a →…
Payouts & RTP6/10
RTP 94% → 6.0/10
Volatility9/10
high → 9.0/10
Win Potential—
no data
Features8/10
8 features → 8.0/10
Game Mechanics7.4/10
f=8 r=6 p=n/a → 7.3/10
Context signals (tie-breakers)
Layout5/10
6x6 → 5.0/10
Bet Flexibility6/10
0.2–25 (×125) → 6.0/10
Provider Reputation5.5/10
provider avg 5.5 → 5.5/10
Popularity6.7/10
synthetic proxy → 6.7/10

Popularity blends real player search demand (~30 markets) with a catalogue-derived proxy; games without measurable search demand use the proxy alone. Not live play telemetry.

Cite this score

SlotRanker Score: 69 — Z by R Franco

https://slotranker.com/r-franco/z#score
How to cite

Slot Summary

Forming a cluster of eight matching symbols is the decisive action in Z, because each win removes those symbols and opens another cascade. R Franco places that loop inside a futuristic laboratory threatened by a zombie virus, then keeps randomly appearing Wild multipliers on the field as consecutive wins continue. The 94% RTP sits inside a medium-to-high volatility catalog profile, while Free Spins add a pre-round symbol-removal choice.
MechanicsEight-symbol clusters trigger cascades and growing multipliers

How It Plays

Each paid spin is decided by clusters rather than fixed left-to-right lines. A qualifying group disappears and allows another set of symbols to fall.

Repeated cascades can create several results from one initial spin, while Wild symbols remain available to substitute within later cluster combinations.

Theme & Atmosphere

A futuristic scientific laboratory anchors the Apocalypse, Future, Horror, Virus, and Zombie subjects, with humanity searching for a cure during an outbreak.

The laboratory premise keeps the horror technological rather than supernatural, connecting infected symbols and scientist Scatters directly to the game's central survival problem.

HorrorZombieFutureApocalypseVirus

Features & Win Potential

Wild multipliers can appear randomly and remain on the board during winning cascades, increasing their value as the sequence continues.

Cluster Pays and Cascading work together: each qualifying group clears space for replacement symbols, creating another chance to connect matching virus icons.

Free SpinsScatter SymbolWild SymbolCascadingMedium/HighCluster PaysBonus BuyAvalanche

Bonus & Free Spins

Five Scatter symbols activate Free Spins. Before the round, two regular symbols are selected for removal, narrowing the available symbol set during subsequent cascades.

A Bonus Buy can provide direct access to Free Spins where permitted, preserving the same symbol-removal choice and persistent Wild multiplier behavior.

Spec sheet
Z at a glance.
Identity
Slot nameZ
StudioR Franco
Released5/22/2024
Math
SlotRanker Score69
RTP94%
VolatilityMedium/High
Max win—
Bet range$0.20 – $25.00
Player rating3.7 / 5 · 15 votes
Format
Reels7
Paylines25
Layout7x5

True Cost to Play

Expected average based on this slot's 94% RTP — individual sessions vary with volatility.

Cost per hour$4.80
Cost per session$4.80

Estimate only, for entertainment purposes — treat gambling as entertainment, not a way to make money, and set a budget you can afford to lose.

Bankroll survival simulator

How long could a bankroll last on Z? We simulate thousands of sessions from this game's published RTP and volatility — the long-run math, not a prediction of your next spin.

Volatility tier: Medium-High

Running simulation…
How this works

Each simulated spin either misses or returns a win drawn from a log-normal distribution, with the hit rate and spread set by the slot's volatility tier (Medium-High). The model is calibrated so the average return equals this slot's published RTP (94.00%), with wins capped at its top multiplier (1,000×).

This is a simplified, parametric model of the game's math — not its real paytable. It exists to make the house edge visible over many sessions, so the numbers above are averages across thousands of runs, never a forecast of one.

This is math, not a prediction. Real sessions vary wildly, and no strategy changes a game's built-in house edge. Play for fun, set limits, and never bet more than you can afford to lose.

Where to play Z

No matching casinos for your region yet

Casino availability depends on where you play from. We only show casinos that accept players from your country.

Compare Z with other games

Z
Z
Score 69This game
Zombie OutbreakZombie Outbreak
Score 80
QuarantineQuarantine
Score 65
BraindeadBraindead
Score 63
Zombie aPOPalypse MultiPopZombie aPOPalypse MultiPop
Score 87
Identity
Studio
R Franco
PG Soft
MrSlotty
Mancala Gaming This provider has been reviewed and approved by the SlotRanker team. What does this mean?
AvatarUX
Released5/22/20246/11/20247/13/202110/7/20219/29/2022
Math
RTP94%96.76%96.05%95%96.01%
VolatilityMedium/HighHigh volatility—High volatilityHigh volatility
Max win—5,000×—5,770×20,000×
Format
Reels75555
Layout7x55x35x35x35x4
Paylines25160025252048 (Bothway)
Min bet0.20.20.0110.2
Max bet25100259050
Features
Progressive—————
Wild symbol✓✓✓✓✓
Free spins✓✓✓✓✓
Scatter symbol✓✓✓—✓
Multiplier—✓——✓
Bonus game———✓—
Respins—————

Every number is shown as a delta against Z.

Z
Comparing against
Z
R Franco
RTP
94%
Max win
—
Score
69
Zombie Outbreak
Zombie Outbreak
PG Soft
RTP
96.76%▲+2.8
Volatility
High volatility
Max win
5,000×
Score
80▲+11
+ Multiplier
Quarantine
Quarantine
MrSlotty
RTP
96.05%▲+2
Volatility
—
Max win
—
Score
65▼−4
Same feature set
Braindead
Braindead
Mancala Gaming
RTP
95%▲+1
Volatility
High volatility
Max win
5,770×
Score
63▼−6
+ Bonus Game− Scatter
Zombie aPOPalypse MultiPop
Zombie aPOPalypse MultiPop
AvatarUX
RTP
96.01%▲+2
Volatility
High volatility
Max win
20,000×
Score
87▲+18
+ Multiplier

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Questions & Answers

Z FAQ

3 questions

Z has a listed RTP of 94% and a medium-to-high volatility catalog rating.

Wins require clusters of at least eight matching symbols, which are removed before replacement symbols fall into the field.

Five Scatter symbols trigger Free Spins, and the player chooses two regular symbols to remove before the round starts.

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