Play'n Go

Energoonz

SlotsVideo SlotsSpaceFuturisticDarknessNeonUFOFantasticMonstersSci fiThunderstorm

The grid-slot predecessor that established the Reactoonz series

SlotRanker Score
61
/ 99
61
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
94.74%
return to player
Volatility
Medium volatility
variance
Max win
1,000×
top multiplier
Min bet
$0.20
per spin
Reels
5
1 lines
Player rating
3.7 ★
20 votes
DEMO Play free, no signup
Play'n Go
Energoonz
Embed on your site
3.7 / 5
20 ratings
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User ratings are shown separately from the Slot Score unless stated otherwise.

Why this score

High confidence (100%)

Five weighted signals shape the composite. Four context signals refine ties. See how we rate for the full methodology.

Slot score profile across 5 weighted categoriesPayouts & RTP6/10RTP 94.74% → 6.0/10Volatility8/10medium → 8.0/10Win Potential6/10x1000.00 (1000×) →…Features10/1011 features →…Game Mechanics8/10f=11 r=5 p=n/a →…
Payouts & RTP6/10
RTP 94.74% → 6.0/10
Volatility8/10
medium → 8.0/10
Win Potential6/10
x1000.00 (1000×) → 6.0/10
Features10/10
11 features → 10.0/10
Game Mechanics8/10
f=11 r=5 p=n/a → 8.0/10
Context signals (tie-breakers)
Layout5/10
5x5 → 5.0/10
Bet Flexibility6/10
0.2–100 (×500) → 6.0/10
Provider Reputation6.5/10
provider avg 6.5 → 6.5/10
Popularity0/10
synthetic proxy → 0.0/10

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: 61 — Energoonz by Play'n Go

https://slotranker.com/play-n-go/energoonz#score
How to cite

Slot Summary

For anyone who values Cascading cluster wins over fixed-line pacing, Energoonz offers a medium-volatility 5x5 format where every cleared group creates room for another result. Play'n GO later identified it as the predecessor to Reactoonz, making this the earlier foundation of that alien series rather than a side release. Multipliers rise through successive drops, while clearing marked columns opens Free Spins and a separate scoring rule.
MechanicsClusters clear, refill, and raise the Multiplier

How It Plays

Energoonz uses a 5x5 Grid where three or more matching symbols connect horizontally or vertically. A completed Cluster Pays result disappears before replacements fall.

Each refill can form another cluster without requiring a fresh paid spin. The Multiplier increases across successive Cascading results, rewarding longer chains rather than isolated matches.

Theme & Atmosphere

Sci fi, Space, Futuristic, Neon, UFO, and Monsters themes place the Energoonz creatures in an alien setting that directly explains their energy-based behavior.

Darkness and Thunderstorm accents give the grid a charged atmosphere, while the Fantastic creature design keeps individual symbol groups readable during rapid Cascading sequences.

SpaceFuturisticDarknessNeonUFOFantasticMonstersSci fiThunderstorm

Features & Win Potential

Cascading removes every winning cluster and refills the open positions. The accompanying Multiplier increases with each successful drop during the same sequence.

Colossal Reels symbols occupy several grid positions and participate in Cluster Pays results as larger units, while the Wild Symbol can complete otherwise incomplete groups.

Free SpinsMultiplierWild SymbolCascadingCluster PaysMedium volatility5 ReelsRTP rangeColossal ReelsGrid30 Paylines

Bonus & Free Spins

Free Spins are activated by clearing a marked bonus column. Clearing more qualifying columns determines a stronger starting Multiplier for the separate round.

The bonus changes the minimum qualifying group to five matching symbols anywhere on the Grid, and all wins in the round receive the selected Multiplier.

Spec sheet
Energoonz at a glance.
Identity
Slot nameEnergoonz
StudioPlay'n Go
Released11/28/2013
Math
SlotRanker Score61
RTP94.74%
VolatilityMedium volatility
Max win1,000×
Bet range$0.20 – $100.00
Player rating3.7 / 5 · 20 votes
Format
Reels5
Paylines1
Layout5x5

True Cost to Play

Expected average based on this slot's 94.74% RTP — individual sessions vary with volatility.

Cost per hour$4.21
Cost per session$4.21

Estimate only, for entertainment purposes — treat gambling as entertainment, not a way to make money, and set a budget you can afford to lose.

Bankroll survival simulator

How long could a bankroll last on Energoonz? We simulate thousands of sessions from this game's published RTP and volatility — the long-run math, not a prediction of your next spin.

Volatility tier: Medium

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 (Medium). The model is calibrated so the average return equals this slot's published RTP (94.74%), with wins capped at its top multiplier (1,000×).

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 Energoonz

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Compare Energoonz with other games

Energoonz
Energoonz
Score 61This game
Monster WinsMonster Wins
Score 81
ReapersReapers
Score 76
Deep Space ConquestDeep Space Conquest
Score 72
Space Wars XXXtreme MegawaysSpace Wars XXXtreme Megaways
Score 80
Identity
Studio
Play'n Go
NextGen
Print Studios
Urgent Games This provider has been reviewed and approved by the SlotRanker team. What does this mean?
NetEnt
Released11/28/20136/22/201612/13/20227/12/20238/13/2024
Math
RTP94.74%97.12%94.44%97.05%96.14%
VolatilityMedium volatilityHigh volatilityHigh volatilityMedium volatilityHigh volatility
Max win1,000×—20,000×6,400×14,400×
Format
Reels55856
Layout5x55x48x65x36x7
Paylines1102450020117649
Min bet0.20.50.250.10.4
Max bet10010015032
Features
Progressive—————
Wild symbol✓✓—✓✓
Free spins✓✓—✓—
Scatter symbol—✓✓——
Multiplier✓—✓——
Bonus game—✓✓✓—
Respins————✓

Every number is shown as a delta against Energoonz.

Energoonz
Comparing against
Energoonz
Play'n Go
RTP
94.74%
Max win
1,000×
Score
61
Monster Wins
Monster Wins
NextGen
RTP
97.12%▲+2.4
Volatility
High volatility
Max win
—
Score
81▲+20
+ Scatter+ Bonus Game− Multiplier
Reapers
Reapers
Print Studios
RTP
94.44%▼−0.3
Volatility
High volatility
Max win
20,000×▲+19,000
Score
76▲+15
+ Scatter+ Bonus Game− Wild− Free Spins
Deep Space Conquest
Deep Space Conquest
Urgent Games
RTP
97.05%▲+2.3
Volatility
Medium volatility
Max win
6,400×▲+5,400
Score
72▲+11
+ Bonus Game− Multiplier
Space Wars XXXtreme Megaways
Space Wars XXXtreme Megaways
NetEnt
RTP
96.14%▲+1.4
Volatility
High volatility
Max win
14,400×▲+13,400
Score
80▲+19
+ Respins− Free Spins− Multiplier

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Questions & Answers

Energoonz FAQ

4 questions

Yes. Play'n GO's Reactoonz announcement explicitly identifies Energoonz as its predecessor, placing both games in the same alien grid series.

Three or more matching symbols must connect horizontally or vertically, after which the winning cluster disappears and new symbols fall into the grid.

The cataloged maximum is x1000.00, which can also be awarded when every symbol is cleared from the grid.

Free Spins begin when a column marked for the bonus is completely cleared, with the starting Multiplier determined by the cleared bonus columns.

Series

Reactoonz

View all 7 games
GameYearRTPVolatilitySlot Score
Energoonz
EnergoonzCurrentPlay'n Go
201394.74%Medium volatility61
Reactoonz
ReactoonzPlay'n Go
201796.51%High volatility80
Reactoonz 2
Reactoonz 2Play'n Go
202094.2%High volatility68
Dr Toonz
Dr ToonzPlay'n Go
202194.25%High volatility72
Gigantoonz
GigantoonzPlay'n Go
202294.25%High volatility68
Gargantoonz
GargantoonzPlay'n Go
202396.2%High volatility79
Reactoonz 100
Reactoonz 100LatestPlay'n Go
202594.2%High volatility65
  • Energoonz
    EnergoonzCurrent
    Play'n Go · 2013
    RTP94.74%Score61Medium volatility
  • Reactoonz
    Reactoonz
    Play'n Go · 2017
    RTP96.51%Score80High volatility
  • Reactoonz 2
    Reactoonz 2
    Play'n Go · 2020
    RTP94.2%Score68High volatility
  • Dr Toonz
    Dr Toonz
    Play'n Go · 2021
    RTP94.25%Score72High volatility
  • Gigantoonz
    Gigantoonz
    Play'n Go · 2022
    RTP94.25%Score68High volatility
  • Gargantoonz
    Gargantoonz
    Play'n Go · 2023
    RTP96.2%Score79High volatility
  • Reactoonz 100
    Reactoonz 100Latest
    Play'n Go · 2025
    RTP94.2%Score65High volatility
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