by Play'n GO

Before the Reactoonz crash-landed on Earth, there was the Energoonz. These cute and goofy monsters landed and delivered explosive wins for lucky players.

Developed by Play'n GO, Energoonz plays on a grid of 5x5 and matches up wins through clusters. This low volatility slot features up to 20 bonus rounds throughout the free spins round. If you want to see where it all started, give Energoonz a spin.

Slot information

RTP: 97.00%
Volatility: Low
Max Payout: 1,000x stake
Jackpot: No
Min Bet: 0.20
Max Bet: 40.00
Category: Grid slots
Theme: Space
Series: Reactoonz
Release Date: December 2013

Our rating

“ A classic Play'n GO slot that set a new high standard ”

3.6 out of 5

Win potential

Play Energoonz

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Energoonz Screenshots

Energoonz Features

The main feature in this slot is the bonus round that is triggered by filling up the meter on the right side by landing winning clusters with the potential to unlock 20 bonus rounds. This will be highlighted by the word BONUS on the grid. When clusters have been formed, the bar on the left is filled up to award increasing multipliers as well.

Energoonz - Bonus Game

Bonus Game

Winning clusters fill up the bar on the right and when the bar is filled, then the bonus game will be awarded. Up to 20 free spins can be awarded throughout the bonus game.

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Energoonz Review

Before Reactoonz, the Energoonz crashed landed on Earth and decided to shake up the iGaming world. Developed by Play'n GO, Energoonz plays on a grid of 5x5 and players must make up cluster wins in order to land winning combinations.

This low volatility slot is all about matching up clusters in this grid slot leading to the bonus game delivering wins of up to 1,000x the stake. If you are looking for a low volatility Reactoonz slot, then look no further than Energoonz.


With a space background in the background, Energoonz is like a more primitive version of Reactoonz. Despite this, the overall design is decent enough with cutesy looking monsters on the reels.

Throughout spins, the little creatures move and animate which makes the slot come to life even more. Similar to the sequels, the music in this slot is a wacky techno track that fits in with the visuals.


As this slot plays on a 5x5 grid that matches up cluster wins of 5. In addition to this, the main feature is the bonus game that is triggered by matching up clusters and filling up the bar on the right.

Like most Play'n GO slots, the menu buttons are at the bottom of the screen with the spin button and bet level button here.

Win Potential

Ultimately, the win potential for this slot is decent enough for a low volatility slot. The RTP is a respectable 97% which is way above the average and excellent for an online slot.

In addition to this, there is a low volatility level leading to frequent wins but these will be lower. Finally, the maximum win is only 1,000x the stake but this isn't too low for a low volatility slot and is quite acceptable.

Our Verdict

Energoonz definitely sets the groundwork for the rest of the series but is lacking in many areas. There is only one main feature which can be difficult to trigger at times leading to some disappointing wins.

Fans of low volatility slots should definitely check out Energoonz for slower-paced gameplay, but we recommend those looking for a high volatility alien slot to look no further than Reactoonz.

Charlie Vogelsang
Reviewed by Charlie Vogelsang Last updated on

As the Content Manager at Slot Gods, Charlie is focused on staying on top of the latest slot releases as well as finding the most recent trends. She spends her day searching for the best slots to be reviewed as well as managing most of the content that you will find on the site. Whether it’s the latest slot review from Relax Gaming or a guide on a brand-new mechanic, Charlie will be sure to have it covered on Slot Gods.

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