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Play’n GO · Slot Review

Gigantoonz — Full Review & Free Demo

3.7/5
Play for Real →
RTP
96.25%
Volatility
High
Max Win
4,000x
Provider
Reels
8
Bet Range ($,€,£)
0.20 - 100
Rating
3.7/5
Released
Jan 2022

Gigantoonz: Slot Overview

Gigantoonz from Play'n GO is a grid slot built on an 8x8 layout with cluster pays. I get wins by landing 6 or more matching symbols anywhere on the grid, then the board cascades until no new cluster lands. The big hook here is the oversized mega symbols, which can reach 7x7, plus the Quantumeter that builds towards four modifiers. For chat, that means a session with clear momentum, lots of tumbles, and a proper peak when the meter gets close to full.

Volatility is high, rated 10 out of 10 in the reviews, and the default RTP sits at 96.25%, though lower versions exist. Bets run from 0.20 to 100, and the max win is 4,000x. If I'm honest with viewers, that top end is the part that feels a bit light compared with what the build-up suggests.

Symbols And Paytable

8 reels by 8 rows gives the slot plenty of room, but it still asks for 6 matching symbols to form a winning cluster. I’m looking at five one-eyed low pays and five two-eyed high pays. Low pays return 5x to 20x for a 30+ cluster, while the high pays reach 50x to 1,250x for 30+ of a kind.

Mega symbols are the standout part of the pay system. They can land in sizes from 2x2 up to 7x7, but each one counts as a single symbol in a cluster. Their value comes from a random cluster value up to 13, which also matters for charging the meter. When a winning mega symbol is removed, it leaves a wild behind, and if it cannot drop further, the empty spaces below fill with its own 1x1 versions.

Symbol Payouts

icon 1
30+x1250
25+x200
21+x100
17+x50
14+x20
12+x20
10+x10
8+x5
7x2
6x1
icon 2
30+x400
25+x125
21+x50
17+x20
14+x10
12+x5
10+x3
8+x2
7x1
6x0.5
icon 3
30+x200
25+x75
21+x25
17+x12.5
14+x5
12+x3
10+x1
8+x0.8
7x0.5
6x0.4
icon 4
30+x100
25+x40
21+x20
17+x7.5
14+x2.5
12+x2
10+x0.8
8+x0.6
7x0.5
6x0.4
icon 5
30+x50
25+x30
21+x12.5
17+x5
14+x2
12+x1.5
10+x0.7
8+x0.5
7x0.3
6x0.2
icon 6
30+x20
25+x10
21+x5
17+x3
14+x1.5
12+x1
10+x0.7
8+x0.5
7x0.3
6x0.3
icon 7
30+x10
25+x4
21+x2
17+x1
14+x0.8
12+x0.6
10+x0.5
8+x0.3
7x0.2
6x0.2
icon 8
30+x10
25+x4
21+x2
17+x1
14+x0.8
12+x0.6
10+x0.5
8+x0.3
7x0.2
6x0.2
icon 9
30+x5
25+x3
21+x1
17+x0.8
14+x0.6
12+x0.5
10+x0.4
8+x0.2
7x0.1
6x0.1
icon 10
30+x5
25+x3
21+x1
17+x0.8
14+x0.6
12+x0.5
10+x0.4
8+x0.2
7x0.1
6x0.1
icon 11
Wild

Gigantoonz Bonuses And Special Features

Cascades run the whole show here. Every winning cluster disappears, new symbols drop in, and the sequence keeps going while fresh wins land. On non-winning spins, 5 to 10 Quantum Wilds can be added randomly to the grid, which is a nice touch because the base game can drag a bit when the meter is cold. Wilds substitute for all regular symbols and have no payout value of their own.

25 charges on the Quantumeter trigger Disintegration, which removes all instances of 4 random symbols. At 50 charges, Metamorphosis changes all instances of one symbol into another, including mega symbols. At 75, Radiation adds 1 to 4 mega symbols and 2 to 5 Quantum Wilds. This is where a session usually starts to feel properly dangerous.

100 charges unlock Gargantoonz, and that is the feature I’d stream this for. Step 1 turns all mega symbols into mega Gargantoon wilds, guarantees at least 3 of them, and adds 2 to 4 regular 1x1 Gargantoon wilds. Those mega wilds do not disappear with wins. Step 2 breaks them into 1x1 Gargantoon wilds, then they clear through cascades like normal.

Bonus Buy Options

Bonus Buy Disintegration
Disintegration
Triggers at 25 charges on the Quantumeter and removes all instances of 4 randomly selected symbols.
Bonus Buy Metamorphosis
Metamorphosis
Triggers at 50 charges and transforms all instances of one symbol into a different symbol, including mega symbols.
Bonus Buy Radiation
Radiation
Triggers at 75 charges and adds 1 to 4 mega symbols plus 2 to 5 Quantum Wilds.
Bonus Buy Gargantoonz
Gargantoonz
Triggers at 100 charges in two steps. Mega symbols become mega Gargantoon wilds, at least 3 appear, 2 to 4 regular Gargantoon wilds are added, then the mega wilds break into 1x1 wilds and are removed through cascades.

Gigantoonz RTP, Volatility, And Max Win

96.25% is the top RTP quoted across the reviews, but the game can appear in lower settings, even down to 84.25% on some versions. So before a real session, I’d want chat to know that the exact RTP matters here more than usual. Volatility is firmly high, and the swings fit that label. You can get long stretches where you are mostly waiting for the meter to do something useful.

4,000x is the maximum payout, with one review also listing the max-win probability at around 1 in 4,850,000 spins. That top end is not tiny, but it is the lowest ceiling mentioned for this branch of the Toonz line. So the pace is good and the feature ladder is fun to follow, though the final destination is a bit less punchy than some viewers might expect.

💬 What Players Say
Reviews broadly like the cleaner, more streamlined take on the Toonz formula and the mega symbol mechanic. Main complaints are the lower 4,000x ceiling, harsh volatility, and variable RTP versions. Based on 8 reviews.
Ryan Cole’s Verdict

Gigantoonz: Slot Verdict

Overall, I see Gigantoonz as a cleaner, more straightforward take on the Toonz formula. The loop is easy to read on stream, get clusters, charge the meter, chase the fourth modifier. Mega symbols give it its own identity, and the 100-charge finish has proper session-ending potential. For viewers, that makes it easy to follow and worth a session.

Still, I would not sell it to chat as a monster max-win hunt. The game is high-volatility and can go quiet, there are no free spins to break the rhythm, and 4,000x is a bit modest for the amount of build-up. I’d stream this for the feature progression and the pace of the cascades, not because it has the biggest ceiling around.
3.7
★★★★☆
out of 5
✓ Pros
8x8 cluster grid feels lively
Mega symbols reach up to 7x7
Quantumeter creates clear session momentum
Quantum Wilds rescue dead spins
Clean, polished sci-fi presentation
✗ Cons
No traditional free spins round
4,000x max win feels low
High volatility means rough dry spells
RTP can vary by operator
Ryan Cole
Ryan Cole
Lead Casino Slots Analyst
5+ years analysing online slots for the UK market. Every game is played for a minimum of 500 demo spins before publication. No affiliate bias — ever.
View All Reviews →
Gigantoonz FAQ
How do mega symbols work in Gigantoonz?
Mega symbols land in sizes from 2x2 to 7x7. Each one counts as a single symbol in a cluster, but it gets a random cluster value up to 13, and that value is used to charge the Quantumeter.
What happens on a non-winning spin?
The game can add 5 to 10 Quantum Wilds randomly across the grid. They substitute for all regular symbols and can turn a dead spin into a win.
What triggers the different Quantumeter modifiers?
The meter charges from winning symbols during a cascade sequence. 25 charges trigger Disintegration, 50 trigger Metamorphosis, 75 trigger Radiation, and 100 trigger Gargantoonz.
Does Gigantoonz have free spins or a bonus round?
No, there is no traditional free spins feature. All the action stays in the base game through cascades, mega symbols, wilds, and the four-stage meter.
How do I reach the 4,000x max win?
Reviews tie the biggest payouts to a strong cascading sequence that fills the meter to 100 and unleashes the two-step Gargantoonz modifier. The top payout is capped at 4,000x your stake.