Atomic City

Atomic Monkey

A laboratory slot with combinable bonus experiments

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

96.41%

return to player

Volatility

—

variance

Max win

5,000×

top multiplier

Min bet

$0.25

per spin

Reels

50 lines

Player rating

4.9 ★

1 votes

DEMO Play free, no signup

Atomic City

Embed on your site

4.9 / 5

1 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 & RTP9/10

RTP 96.41% → 9.0/10

Volatility8/10imputed

imputed medium (unknown) → 8.0/10

Win Potential7.4/10

x5000.00 (5000×) → 7.4/10

Features9.5/10

14 features → 9.5/10

Game Mechanics5.9/10

f=14 r=5 p=50 → 5.9/10

Context signals (tie-breakers)

Layout5/10

3x5 → 5.0/10

Bet Flexibility4/10

0.25–20 (×80) → 4.0/10

Provider Reputation6.8/10

provider avg 6.8 → 6.8/10

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: 70 — Atomic Monkey by Atomic City

https://slotranker.com/atomic-city/atomic-monkey#score

How to cite

Slot Summary

A five-reel laboratory lets several experiments run together in Atomic Monkey, Atomic City's science slot. Separate wild-stack, multiplier, and jackpot features can combine, with Monkey Trio bringing them together in the same round. That mixing of bonus behaviors gives the scientist character a practical connection to the game: different combinations produce different kinds of bonus play.

How It Plays

Ordinary combinations pay from left to right, and wins across different lines are added together. Wild symbols substitute for other symbols except coins, which retain their separate role.

Different scatter colors activate the corresponding bonus features. Those features can start individually or in combination, so the same entry system can produce different sets of active bonus rules.

Theme & Atmosphere

The laboratory is treated as comic experimentation: a monkey scientist works with DNA and radioactive potions, giving the science setting an unruly character and connecting the title to a specific central figure.

Mischievous robots add another source of trouble inside the laboratory. The setting draws its humor from experiments and their consequences, with the monkey scientist responsible for the activity around him.

Science Animals

Features & Win Potential

The wild-stack feature combines a taller playing field with nudging wilds. Its contribution is positional: it changes how much of the reel area can participate in combinations during the bonus.

The multiplier feature applies a 3x multiplier to wins during its five-spin round. Special symbols can also award extra spins or cash prizes, adding separate outcomes within that feature.

Free Spins Multiplier Scatter Symbol Wild Symbol Nudges Symbols collection (Energy)Additional Free Spins RTP range Free Spins Multiplier Random multiplier Fixed Jackpots Reelset Changing Stack Additive symbol

Bonus & Free Spins

Monkey Trio activates the wild-stack, multiplier, and jackpot features together for 10 free spins. The combined round therefore carries the expanded field and nudging wilds alongside the win multiplier and opportunities to collect jackpot prizes.

Spec sheet

Atomic Monkey at a glance.

Identity

Slot nameAtomic Monkey

StudioAtomic City

Released6/15/2025

Math

SlotRanker Score70

RTP96.41%

Max win5,000×

Bet range$0.25 – $20.00

Player rating4.9 / 5 · 1 votes

Format

Reels5

Paylines50

Layout3x5

Features

Themes

Expected average based on this slot's 96.41% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$3.59

Cost per session$3.59

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 Atomic Monkey? 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: Mediumassumed — not published for this slot

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 (96.41%), with wins capped at its top multiplier (5,000×).

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 Atomic Monkey

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Compare Atomic Monkey with other games

	Atomic Monkey Score 70This game	Brick Snake 2000 Score 79	Worms of Valor Score 79	Steam Squad Score 78	Elizabeth Lab Score 78
Identity
Studio	Atomic City	NoLimit City	AvatarUX	Red Tiger Gaming	Bigpot Gaming
Released	6/15/2025	3/21/2024	3/18/2024	11/20/2023	4/5/2022
Math
RTP	96.41%	96.03%	96%	95.64%	96.53%
Volatility	—	High volatility	High volatility	High volatility	Medium volatility
Max win	5,000×	8,110×	10,000×	3,235×	7,290×
Format
Reels	5	5	5	6	5
Layout	3x5	5x3	5x5	6x6	5x3
Paylines	50	3125	118098	0	243
Min bet	0.25	0.2	0.2	0.1	0.2
Max bet	20	5	100	20	200
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	—	✓
Free spins	✓	✓	✓	✓	✓
Scatter symbol	✓	✓	✓	✓	✓
Multiplier	✓	✓	✓	✓	✓
Bonus game	—	—	—	—	✓
Respins	—	—	—	✓	—

Every number is shown as a delta against Atomic Monkey.

Comparing against

Atomic Monkey

Atomic City

RTP

96.41%

Max win

5,000×

Score

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