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Play’n GO · Slot Review

Energoonz — Full Review & Free Demo

3.9/5
Play for Real →
RTP
97.00%
Volatility
Low
Max Win
1,000x
Provider
Reels
5
Paylines
10
Bet Range ($,€,£)
0.20 - 40
Rating
3.9/5
Released
Nov 2013

Energoonz Slot Overview

Energoonz is a 5x5 grid slot from Play'n GO, released on 28 November 2013, and it already feels different from standard reel play. Chat, I get a grid instead of paylines, with 10 ways formed by straight horizontal or vertical lines. The key hook is simple, wins cascade, the base multiplier climbs with each new drop, and clearing the whole grid pays 1000x the total bet.

Symbols and Paytable

Wins come from landing 3 or more matching symbols in a row on the 5x5 grid, either horizontally or vertically. In the base game, the Plasma Ball Wild substitutes to help complete those lines, and when a win lands the symbols disappear so the rest can fall into place. That gives the session a stop-start rhythm, and I think viewers would clock the multiplier build quite quickly.

Regular symbols are the little alien creatures, orange, green and darker versions with bug eyes and grins. During the bonus game, a different set of creatures appears, which helps the feature feel separate from the base game instead of just being the same thing with extra spins.

Symbol Payouts

icon 1
Wild
5x500
4x15
3x5
icon 2
5x25
4x2.5
3x0.5
icon 3
5x15
4x1.5
3x0.35
icon 4
5x15
4x1.5
3x0.35
icon 5
5x10
4x1.25
3x0.3
icon 6
5x10
4x1.25
3x0.3
icon 7
5x7.5
4x1
3x0.25
icon 8
5x7.5
4x1
3x0.25
icon 9
5x5
4x0.75
3x0.2
icon 10
5x2.5
4x0.5
3x0.15
icon 11
5x2.5
4x0.5
3x0.15

Bonus Features

Base game momentum matters here because every new cascade win increases the win multiplier by 1x. On top of that, if all symbols are removed from the grid, the game awards 1000x the total bet. I like that part, viewers can follow it easily, though if I'm honest with chat, the base game can drag a bit while you wait for a proper chain.

The bonus game triggers when a full column with the word BONUS is cleared from symbols. Once that lands, you get Free Game rounds, and the multiplier is set by how many full BONUS columns were cleared. Bonus wins work differently too, you need five or more matching symbols anywhere on the grid, and every win is multiplied by that set multiplier.

During the feature, five or more bonus symbols, shown as the energy container, can award up to 20 extra bonus rounds. That is the part I would stream, because the feature is different enough from the base game to stay watchable and it has better pace once it starts.

Bonus Buy Options

Bonus Buy Free Game rounds
Free Game rounds
Triggered when a full column marked BONUS is cleared. The round uses a different symbol set, pays for five or more matching symbols anywhere on the grid, and applies a multiplier based on the number of cleared BONUS columns.
Bonus Buy Additional bonus rounds
Additional bonus rounds
During the bonus game, landing five or more bonus symbols shown as the energy container awards up to 20 extra rounds.

Design and Gameplay

Animations are the standout. The Energoonz creatures pull faces at each other, there are electrical sparks everywhere, and the whole thing leans into a cheerful sci-fi style. On the left, I get a multiplier box that tracks the chain. On the right, there is an energy generator tied to the bonus feature, so the screen gives you useful information without feeling crowded.

Sound is less impressive. Reviews call the music cheerful but not special, with zaps and small explosions doing most of the work. I am not entirely sold on the theme if you want something slick or modern, but the visual personality is strong enough that it still feels memorable in a stream.

💬 What Players Say
Reviews describe it as innovative and unusual, with strong animations and a bonus round that keeps sessions interesting. The common reservation is that the music is only decent and the base rhythm can feel slower than newer grid slots. Based on 6 reviews.
Ryan Cole’s Verdict

Final Verdict

2013 is old by slot standards, but Energoonz still has a clear identity. The 5x5 grid, line-based wins, cascades, rising multiplier and BONUS-column trigger give it a session flow that does not feel like a generic alien reskin. RTP is 96.69%, volatility is medium, bets run from 0.20 to 100, and the bonus shows up on average every 88 spins.

For stream value, I'd say it is worth a session if chat enjoys seeing mechanics that are easy to track and a bonus round that genuinely changes the rules. I would not pick it for massive max-win hunting every time, even with series guides listing a much higher top-end figure, because the base experience is more about steady grid play than constant fireworks.
3.9
★★★★☆
out of 5
✓ Pros
Distinct 5x5 grid format
Cascades build a rising multiplier
Bonus round feels different
1000x for clearing the grid
Mobile version is available
✗ Cons
Base game can drag a bit
Theme may not suit everyone
Music is fairly ordinary
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.
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Energoonz FAQ
How does Energoonz trigger its bonus game?
The bonus starts when a full column marked BONUS is completely cleared from symbols in the base game.
How do wins work in the base game?
You need 3 or more matching symbols in a straight horizontal or vertical line on the 5x5 grid. Winning symbols disappear and new ones cascade down.
What does the base game multiplier do?
Each new win after a cascade increases the multiplier by 1x. That multiplier applies as the chain continues through the same spin.
What changes during the bonus rounds?
The bonus uses a different set of symbols, and wins are made by landing five or more matching symbols anywhere on the grid. All wins are multiplied by a value set from the number of cleared BONUS columns.
Can the bonus round add more spins?
Yes. During the bonus game, five or more energy container bonus symbols can award up to 20 additional bonus rounds.