Play'n Go

Gigantoonz

Slots Video Slots Space Science UFO Monsters Sci fi

Reactoonz sequel that enlarges the series into an 8x8 experiment

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

94.25%

return to player

Volatility

High volatility

variance

Max win

4,000×

top multiplier

Min bet

$0.20

per spin

Reels

0 lines

Player rating

3.9 ★

10 votes

DEMO Play free, no signup

Play'n Go

Embed on your site

3.9 / 5

10 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 94.25% → 6.0/10

Volatility9/10

high → 9.0/10

Win Potential7.2/10

x4000.00 (4000×) → 7.2/10

Features10/10

19 features → 10.0/10

Game Mechanics8.6/10

f=19 r=8 p=n/a → 8.6/10

Context signals (tie-breakers)

Layout9/10

8x8 → 9.0/10

Bet Flexibility4/10

0.2–5 (×25) → 4.0/10

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: 68 — Gigantoonz by Play'n Go

https://slotranker.com/play-n-go/gigantoonz#score

How to cite

Slot Summary

The Reactoonz line expands its scale in Gigantoonz, shifting Play'n GO's alien cast onto an 8x8 cluster grid where Mega Symbols feed a four-stage Quantumeter. Cascades keep a round active while charges accumulate toward symbol removal, transformations, added Wilds, and the final Gargantoonz effect. Its 94.25% RTP configuration, high volatility, and 4000x ceiling make the meter cycle more important than any single drop.

How It Plays

Each round fills an 8x8 grid, and clusters of at least 6 matching symbols pay from any position. Winning symbols vanish before replacements cascade downward.

Mega Symbols count as one symbol when forming a cluster but contribute their larger cluster value to payouts and Quantumeter charging. Awkwardly positioned Mega Symbols split into ordinary symbols.

Theme & Atmosphere

Science and Sci fi frame the Toonz cast as laboratory creations loose in Space rather than generic reel symbols, with UFO imagery extending the experiment.

The Monsters remain comic and oversized, but the colossal grid gives them room to change shape, divide, and crowd the board as charges accumulate.

Space Science UFO Monsters Sci fi

Features & Win Potential

The Quantumeter reaches Level Up effects at 25, 50, 75, and 100 charges. Those stages remove selected symbols, swap one symbol type, add Mega Symbols and Wilds, then release Gargantoonz.

Random Wilds can appear after a non-winning drop, while Cascading and Cluster Pays keep successful sequences moving. Colossal Reels and transforming symbols make space management central to each chain.

High volatility Multiplier Scatter Symbol Wild Symbol Cascading Cluster Pays Bonus Meter Reel Modifiers Transforming Symbols 7 Reels Symbol Swap Symbols collection (Energy)RTP range Avalanche Colossal Reels Grid Random Wilds / Additional Wilds Mega Symbol (3x3)Level Up

Spec sheet

Gigantoonz at a glance.

Identity

Slot nameGigantoonz

StudioPlay'n Go

Released1/27/2022

Math

SlotRanker Score68

RTP94.25%

VolatilityHigh volatility

Max win4,000×

Bet range$0.20 – $5.00

Player rating3.9 / 5 · 10 votes

Format

Reels8

Paylines0

Layout8x8

Expected average based on this slot's 94.25% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$4.60

Cost per session$4.60

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 Gigantoonz? 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 (94.25%), with wins capped at its top multiplier (4,000×).

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 Gigantoonz

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Compare Gigantoonz with other games

	Gigantoonz Score 68This game	Monster Wins Score 81	Space Donkey Score 81	Space Wars XXXtreme Megaways Score 80	Reapers Score 76
Identity
Studio	Play'n Go	NextGen	NoLimit City	NetEnt	Print Studios
Released	1/27/2022	6/22/2016	10/3/2023	8/13/2024	12/13/2022
Math
RTP	94.25%	97.12%	96.07%	96.14%	94.44%
Volatility	High volatility	High volatility	High volatility	High volatility	High volatility
Max win	4,000×	—	14,649×	14,400×	20,000×
Format
Reels	8	5	6	6	8
Layout	8x8	5x4	6x4	6x7	8x6
Paylines	0	1024	46656	117649	500
Min bet	0.2	0.5	0.2	0.4	0.25
Max bet	5	100	200	32	1
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	✓	—
Free spins	—	✓	✓	—	—
Scatter symbol	✓	✓	✓	—	✓
Multiplier	✓	—	✓	—	✓
Bonus game	—	✓	✓	—	✓
Respins	—	—	—	✓	—

Every number is shown as a delta against Gigantoonz.

Comparing against

Gigantoonz

Play'n Go

RTP

94.25%

Max win

4,000×

Score

+ Free Spins+ Bonus Game− Multiplier

+ Free Spins+ Bonus Game

Space Wars XXXtreme Megaways

+ Respins− Scatter− Multiplier

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01Is Gigantoonz part of the Reactoonz series?

Yes. Play'n GO describes Gigantoonz as another chapter in the Reactoonz series, released after the earlier Toonz games.

02How do wins form in Gigantoonz?

Six or more matching symbols must touch horizontally or vertically. Winning clusters disappear, and new symbols fall into the empty spaces.

03What does the Quantumeter do?

Winning symbols charge four meter levels that remove symbols, transform symbols, add Mega Symbols and Wilds, and finally activate Gargantoonz.

04What RTP does this version use?

The listed version uses 94.25% RTP. Gigantoonz has multiple return configurations, so the displayed game information matters.

Series

Reactoonz

View all 7 games

Game	Year	RTP	Volatility	Slot Score
EnergoonzPlay'n Go	2013	94.74%	Medium volatility	61
ReactoonzPlay'n Go	2017	96.51%	High volatility	80
Reactoonz 2Play'n Go	2020	94.2%	High volatility	68
Dr ToonzPlay'n Go	2021	94.25%	High volatility	72
GigantoonzCurrentPlay'n Go	2022	94.25%	High volatility	68
GargantoonzPlay'n Go	2023	96.2%	High volatility	79
Reactoonz 100LatestPlay'n Go	2025	94.2%	High volatility	65