Popiplay

UFO Joe

Slots Video Slots Space UFO Cartoon Sci fi

Cartoon space cluster slot driven by cascades and transformations

SlotRanker Score

/ 99

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

96.26%

return to player

Volatility

—

variance

Max win

12,000×

top multiplier

Min bet

$0.20

per spin

Reels

Cluster Pays lines

Player rating

4.5 ★

20 votes

DEMO Play free, no signup

Popiplay

Embed on your site

4.5 / 5

20 ratings

User ratings are shown separately from the Slot Score unless stated otherwise.

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

Payouts & RTP9/10

RTP 96.26% → 9.0/10

Volatility8/10imputed

imputed medium (unknown) → 8.0/10

Win Potential8.2/10

x12000.00 (12000×) → 8.2/10

Features9.5/10

11 features → 9.5/10

Game Mechanics7.4/10

f=11 r=6 p=n/a → 7.3/10

Context signals (tie-breakers)

Layout5/10

6x6 → 5.0/10

Bet Flexibility4/10

0.2–20 (×100) → 4.0/10

Provider Reputation7.6/10

provider avg 7.6 → 7.6/10

Popularity5/10

synthetic proxy → 5.0/10

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: 76 — UFO Joe by Popiplay

https://slotranker.com/popiplay/ufo-joe#score

How to cite

Slot Summary

A square 6x6 cluster field gives UFO Joe the space needed for repeated cascades, symbol transformations, and large symbol formations. Popiplay ties those events to a progress bar that can activate BigBang, Reduction, Interstellar, or Eclipse effects, so the game is defined less by fixed lines than by how each cleared group changes the next result. Its x12000.00 ceiling matches that high-variance, chain-focused design.

How It Plays

Wins use Cluster Pays rather than fixed paylines, and successful groups can clear through the Cascading and Avalanche sequence before replacement symbols arrive.

A progress bar tracks activity during play and releases one of four named effects, making completed chains relevant beyond the value of the immediate cluster.

Theme & Atmosphere

The Cartoon treatment follows an alien named Joe attempting to conquer Space, giving the Sci-fi subject a comic tone instead of a severe one.

UFO imagery supports the extraterrestrial premise, while the square grid gives the presentation the feel of a compact control panel for Joe's space campaign.

Space UFO Cartoon Sci fi

Features & Win Potential

Cluster Pays, Cascading, and Avalanche mechanics allow one result to produce another as winning groups disappear and fresh symbols enter the grid.

Colossal Reels, Expanding Symbols, the 3x3 Mega Symbol, and Wild Symbol functions change how much grid space a single symbol can occupy or cover.

Free Spins Wild Symbol Cascading Cluster Pays 7 Reels Expanding Symbols 96% RTP Avalanche Colossal Reels Grid Mega Symbol (3x3)

Spec sheet

UFO Joe at a glance.

Identity

Slot nameUFO Joe

StudioPopiplay

Released3/10/2023

Math

SlotRanker Score76

RTP96.26%

Max win12,000×

Bet range$0.20 – $20.00

Player rating4.5 / 5 · 20 votes

Format

Reels6

PaylinesCluster Pays

Layout6x6

Features

Themes

Expected average based on this slot's 96.26% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$2.99

Cost per session$2.99

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

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

Bankroll ($)Bet per spin ($)Speed

Volatility tier: Mediumassumed — not published for this slot

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). The model is calibrated so the average return equals this slot's published RTP (96.26%), with wins capped at its top multiplier (12,000×).

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 UFO Joe

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Compare UFO Joe with other games

	UFO Joe Score 76This game	Monster Wins Score 81	Visitors Score 80	Reactoonz Score 80	Alien Wins Score 76
Identity
Studio	Popiplay	NextGen	ELK Studios	Play'n Go	Realtime Gaming
Released	3/10/2023	6/22/2016	10/6/2020	10/24/2017	5/17/2024
Math
RTP	96.26%	97.12%	96.1%	96.51%	—
Volatility	—	High volatility	Medium/High	High volatility	Medium/High
Max win	12,000×	—	10,000×	4,570×	50,000×
Format
Reels	6	5	5	7	5
Layout	6x6	5x4	5x5	7x7	5x3
Paylines	Cluster Pays	1024	3125	7	10
Min bet	0.2	0.5	0.1	0.2	0.1
Max bet	20	100	100	5	2.5
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	✓	✓
Free spins	✓	✓	✓	✓	—
Scatter symbol	—	✓	✓	—	—
Multiplier	—	—	✓	✓	✓
Bonus game	—	✓	✓	—	—
Respins	—	—	✓	—	✓

Every number is shown as a delta against UFO Joe.

Comparing against

UFO Joe

Popiplay

RTP

96.26%

Max win

12,000×

Score

+ Scatter+ Bonus Game

+ Scatter+ Multiplier+ Bonus Game+ Respins

+ Multiplier+ Respins− Free Spins

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