Shady Lady

Oops

Mad-science satire driven by mutation and mystery-symbol changes

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

96.28%

return to player

Volatility

—

variance

Max win

20,000×

top multiplier

Min bet

$0.10

per spin

Reels

4096 lines

Player rating

4.5 ★

12 votes

DEMO Play free, no signup

Shady Lady

Embed on your site

4.5 / 5

12 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 96.28% → 9.0/10

Volatility8/10imputed

imputed medium (unknown) → 8.0/10

Win Potential8.6/10

x20000.00 (20000×) → 8.6/10

Features10/10

16 features → 10.0/10

Game Mechanics7/10

f=16 r=5 p=4096 → 7.0/10

Context signals (tie-breakers)

Layout5/10

5x5 → 5.0/10

Bet Flexibility6/10

0.1–50 (×500) → 6.0/10

Provider Reputation6.7/10

provider avg 6.7 → 6.7/10

Popularity5/10

synthetic proxy → 5.0/10

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: 78 — Oops by Shady Lady

https://slotranker.com/shady-lady/oops#score

How to cite

Slot Summary

The mystery-symbol cycle gives Oops its defining rhythm: reveals create matching symbols, viruses spread across connected positions, and mutation upgrades alter the feature as play continues. Shady Lady places that machinery inside a satirical Science story about a laboratory mistake with catastrophic consequences. Free Spins expand the number of winning routes, while the x20000.00 ceiling and 96.28% RTP put substantial mathematical weight behind the game's deliberately absurd Humor.

How It Plays

Each spin starts with a multiway result, but mystery symbols can convert into matching icons and create a more concentrated set of possible combinations.

Virus symbols then link across positions and influence subsequent changes, giving the round a collection-and-transformation rhythm instead of a simple fixed-grid resolution.

Theme & Atmosphere

Science provides the premise rather than sober laboratory realism. Oops treats an accidental outbreak as dark Humor, making escalating mistakes part of the game's identity.

The presentation uses its laboratory disaster as a reason for constant mutation, so the comic tone and the changing symbol behavior support the same idea.

Science Humor

Features & Win Potential

Mystery symbol reveals can produce matching symbols, while Expanding Symbols and Splitting Symbols increase the space occupied by useful icons during feature sequences.

Level Up and Reelset Changing mark the larger structural shifts. Symbols collection supplies the energy needed for upgrades, linking repeated outcomes to stronger later states.

Free Spins Scatter Symbol Respins Multiway (+1024)Symbols collection (Energy)Additional Free Spins BonusGame: Pick Objects Expanding Symbols RTP range Bonus Bet Reelset Changing Mystery symbol Random reward Substitution Symbols Level Up Splitting Symbols

Bonus & Free Spins

Free Spins are triggered through Scatter Symbols and allow the available winning routes to expand beyond the base configuration as the reel set changes.

Additional Free Spins can extend the round, while the Bonus Bet provides an alternate route for increasing access to the game's feature activity.

Spec sheet

Oops at a glance.

Identity

Slot nameOops

StudioShady Lady

Released5/8/2025

Math

SlotRanker Score78

RTP96.28%

Max win20,000×

Bet range$0.10 – $50.00

Player rating4.5 / 5 · 12 votes

Format

Reels5

Paylines4096

Layout5x5

Features

Themes

Expected average based on this slot's 96.28% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$1.49

Cost per session$1.49

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 Oops? 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 (96.28%), with wins capped at its top multiplier (20,000×).

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 Oops

No matching casinos for your region yet

Casino availability depends on where you play from. We only show casinos that accept players from your country.

Compare Oops with other games

	Oops Score 78This game	Rick and Morty Megaways Score 82	Startup Valley Score 76	Silicon Spinners Score 74	Mad Jack Hold & Win Score 71
Identity
Studio	Shady Lady	Blueprint Gaming	TrueLab Games	AvatarUX	1spin4win
Released	5/8/2025	2/27/2020	3/20/2020	3/14/2025	10/10/2024
Math
RTP	96.28%	96.55%	96.48%	94.02%	97.1%
Volatility	—	Medium/High	Medium volatility	High volatility	Medium volatility
Max win	20,000×	50,000×	1,000×	20,000×	1,300×
Format
Reels	5	6	5	5	5
Layout	5x5	6x7	5x3	5x3	5x3
Paylines	4096	117649	15	46656	243
Min bet	0.1	0.1	0.3	0.1	0.1
Max bet	50	5	420	300	100
Features
Progressive	—	—	—	—	—
Wild symbol	—	✓	✓	✓	—
Free spins	✓	✓	✓	✓	—
Scatter symbol	✓	✓	✓	✓	—
Multiplier	—	✓	✓	✓	✓
Bonus game	—	—	✓	—	✓
Respins	✓	—	—	—	✓

Every number is shown as a delta against Oops.

Comparing against

Oops

Shady Lady

RTP

96.28%

Max win

20,000×

Score

Rick and Morty Megaways

+ Wild+ Multiplier− Respins

+ Wild+ Multiplier+ Bonus Game− Respins

+ Wild+ Multiplier− Respins

+ Multiplier+ Bonus Game− Free Spins− Scatter

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