Play'n Go

Sparky and Shortz

Slots Video Slots Space Futuristic Science Gems Monsters Future Sci fi

Science-fiction rescue story driven by stacked-symbol multiplier growth

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

94.24%

return to player

Volatility

High volatility

variance

Max win

10,000×

top multiplier

Min bet

$0.10

per spin

Reels

10 lines

Player rating

4.8 ★

5 votes

DEMO Play free, no signup

Play'n Go

Embed on your site

4.8 / 5

5 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 & RTP6/10

RTP 94.24% → 6.0/10

Volatility9/10

high → 9.0/10

Win Potential8/10

x10000.00 (10000×) → 8.0/10

Features8/10

11 features → 8.0/10

Game Mechanics5.1/10

f=11 r=5 p=10 → 5.1/10

Context signals (tie-breakers)

Layout6/10

5x3 → 6.0/10

Bet Flexibility6/10

0.1–100 (×1000) → 6.0/10

Provider Reputation6.5/10

provider avg 6.5 → 6.5/10

Popularity2.5/10

synthetic proxy → 2.5/10

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: 62 — Sparky and Shortz by Play'n Go

https://slotranker.com/play-n-go/sparky-and-shortz#score

How to cite

Slot Summary

Stacked matching symbols can raise a win multiplier before a random boost changes its value. Sparky and Shortz places that mechanic inside Play'n GO's story of two robots trying to save Alpha Labori, with the multiplier resetting during ordinary play but persisting through Free Spins. A 94.24% RTP, high volatility, and 10,000x ceiling give that sustained bonus multiplier most of the game's mathematical weight.

How It Plays

Wins follow 10 fixed paylines from left to right. When identical symbols fill a reel as a Stack, that reel adds to the current Multiplier.

A random multiplier event can increase the value further during ordinary play. Outside Free Spins, the resulting Multiplier lasts for that spin and then resets.

Theme & Atmosphere

The Sci fi story takes place on Alpha Labori, a planet facing extinction. Sparky, a maintenance droid, must repair the life-saving robot Shortz before time runs out.

Robots, alien life, gems, and electrical machinery connect the Future, Science, Space, and Monsters themes to a specific rescue task instead of unrelated futuristic decoration.

Space Futuristic Science Gems Monsters Future Sci fi

Features & Win Potential

Each Stack of matching symbols covering a reel increases the Multiplier. A separate Random multiplier event can add a larger increase during the same spin.

The Wild Symbol substitutes across the fixed paylines, while the Scatter Symbol controls access to Free Spins. Their roles remain separate from the stack calculation.

High volatility Free Spins Multiplier Scatter Symbol Wild Symbol 5 Reels RTP range 10 Paylines Free Spins Multiplier Random multiplier Stack

Bonus & Free Spins

Three Scatter Symbols award 10 Free Spins. During the round, the random multiplier increase is active on every spin rather than appearing only occasionally.

The Free Spins Multiplier carries its value forward instead of resetting. Additional Scatter Symbols can add more Free Spins, extending the time available for increases.

Spec sheet

Sparky and Shortz at a glance.

Identity

Slot nameSparky and Shortz

StudioPlay'n Go

Released10/14/2021

Math

SlotRanker Score62

RTP94.24%

VolatilityHigh volatility

Max win10,000×

Bet range$0.10 – $100.00

Player rating4.8 / 5 · 5 votes

Format

Reels5

Paylines10

Layout5x3

Features

Themes

Expected average based on this slot's 94.24% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$2.30

Cost per session$2.30

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 Sparky and Shortz? 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: 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 (High). The model is calibrated so the average return equals this slot's published RTP (94.24%), with wins capped at its top multiplier (10,000×).

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 Sparky and Shortz

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Compare Sparky and Shortz with other games

	Sparky and Shortz Score 62This game	Space Wars XXXtreme Megaways Score 80	Reel Hero Score 67	The Final Countdown Score 82	Neon Rush Splitz Score 81
Identity
Studio	Play'n Go	NetEnt	Wazdan	Big Time Gaming	Yggdrasil Gaming
Released	10/14/2021	8/13/2024	8/12/2020	3/14/2019	3/27/2020
Math
RTP	94.24%	96.14%	96.22%	96.65%	96.3%
Volatility	High volatility	High volatility	—	High volatility	High volatility
Max win	10,000×	14,400×	1,050×	36,000×	25,676×
Format
Reels	5	6	5	6	5
Layout	5x3	6x7	5x3	6x4	5x3
Paylines	10	117649	20	4096	10
Min bet	0.1	0.4	0.2	0.2	0.1
Max bet	100	32	100	1	40
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	✓	✓
Free spins	✓	—	✓	✓	✓
Scatter symbol	✓	—	✓	✓	✓
Multiplier	✓	—	—	✓	—
Bonus game	—	—	—	✓	✓
Respins	—	✓	—	—	—

Every number is shown as a delta against Sparky and Shortz.

Comparing against

Sparky and Shortz

Play'n Go

RTP

94.24%

Max win

10,000×

Score

Space Wars XXXtreme Megaways

+ Respins− Free Spins− Scatter− Multiplier

+ Bonus Game− Multiplier

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01What is the RTP of Sparky and Shortz?

The cataloged version has 94.24% RTP, high volatility, and a 10,000x maximum win.

02How do stacked symbols affect the Multiplier?

A reel filled with matching stacked symbols increases the current win Multiplier, which normally resets after the spin.

03What changes during Free Spins?

The random multiplier boost remains active, and the accumulated Free Spins Multiplier does not reset between spins.

04Who are Sparky and Shortz?

Play'n GO presents Sparky as a maintenance droid trying to repair Shortz so they can help save Alpha Labori.

Series

Sparky and Shortz

View all 2 games

Game	Year	RTP	Volatility	Slot Score
Sparky and ShortzCurrentPlay'n Go	2021	94.24%	High volatility	62
Sparky and Shortz Hidden JoulesLatestPlay'n Go	2023	96.2%	Medium volatility	77

Sparky and ShortzCurrent
Play'n Go · 2021
RTP94.24%Score62High volatility
Sparky and Shortz Hidden JoulesLatest
Play'n Go · 2023
RTP96.2%Score77Medium volatility