Bluberi

Devils Lock

Slots Video Slots Horror Gems Fire Crown Treasure Demon Devil

Low-volatility cash-unlock slot with a center-reel trigger

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

94%

return to player

Volatility

Low volatility

variance

Max win

2,013×

top multiplier

Min bet

$0.66

per spin

Reels

40 lines

Player rating

3.3 ★

10 votes

DEMO Play free, no signup

Bluberi

Embed on your site

3.3 / 5

10 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 & RTP6/10

RTP 94% → 6.0/10

Volatility6/10

low → 6.0/10

Win Potential6.6/10

x2013.00 (2013×) → 6.6/10

Features5.5/10

8 features → 5.5/10

Game Mechanics5/10

f=8 r=5 p=40 → 5.0/10

Context signals (tie-breakers)

Layout6/10

5x3 → 6.0/10

Bet Flexibility6/10

0.66–132 (×200) → 6.0/10

Provider Reputation6.2/10

provider avg 6.2 → 6.2/10

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: 50 — Devils Lock by Bluberi

https://slotranker.com/bluberi/devils-lock#score

How to cite

Slot Summary

Released online on February 16, 2023, Devils Lock turns a 5x3, 40-payline game into a waiting exercise centered on the middle reel. Bluberi's Devil symbol unlocks visible cash prizes when it lands there, while coin collection also feeds piggy banks that can open the Free Spins round. Its listed profile is 94% RTP and Low volatility.

How It Plays

The base game uses 15 independent positions arranged across 5 reels and 40 paylines. Cash prizes can remain inactive until the Devil reaches the middle reel.

That trigger converts the visible cash values into awards and also acts as a Wild Symbol. Separate coin collection contributes to the piggy banks above the reels.

Theme & Atmosphere

Devil, Fire, Crown, Gems, and Treasure imagery frame the cash-unlocking mechanic as a playful underworld vault rather than severe Horror.

The Devil occupies the visual and mechanical center, while piggy banks soften the darker setting and make the Free Spins meter immediately readable.

Horror Gems Fire Crown Treasure Demon Devil

Features & Win Potential

Pot Collection gives the center Devil symbol a clear task: it unlocks the cash prizes already visible when it arrives in the required reel position.

The Wild Symbol has a second purpose during Free Spins, where it can remain fixed and keep its substitution role across the remaining rounds.

Free Spins Wild Symbol 5 Reels Low volatility RTP range Additive symbol 40 Paylines Pot Collection

Bonus & Free Spins

When a piggy bank opens, it awards 6 Free Spins. The Devil Wild becomes sticky during that round, remaining in place after it lands.

Spec sheet

Devils Lock at a glance.

Identity

Slot nameDevils Lock

StudioBluberi

Released2/16/2023

Math

SlotRanker Score50

RTP94%

VolatilityLow volatility

Max win2,013×

Bet range$0.66 – $132.00

Player rating3.3 / 5 · 10 votes

Format

Reels5

Paylines40

Layout5x3

Features

Themes

Expected average based on this slot's 94% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$15.84

Cost per session$15.84

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 Devils Lock? 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: Low

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 (Low). The model is calibrated so the average return equals this slot's published RTP (94.00%), with wins capped at its top multiplier (2,013×).

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 Devils Lock

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Compare Devils Lock with other games

	Devils Lock Score 50This game	Devil Fire 2 Score 82	Devil's Deal Score 84	Devilish Fortunes Score 78	Lil' Demon Mega Cash Collect Score 71
Identity
Studio	Bluberi	Tada Gaming	Hot Rise Games	Triple Edge Studios	Playtech
Released	2/16/2023	4/19/2024	10/4/2023	12/26/2023	9/13/2024
Math
RTP	94%	97.16%	96.05%	96.01%	95.5%
Volatility	Low volatility	High volatility	Medium volatility	High volatility	High volatility
Max win	2,013×	14,000×	20,000×	5,000×	2,488×
Format
Reels	5	5	5	5	5
Layout	5x3	5x3	5x3	5x3	5x3
Paylines	40	40	243	720	30
Min bet	0.66	0.1	0.2	0.2	0.1
Max bet	132	100	60	50	500
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	✓	✓
Free spins	✓	✓	✓	✓	✓
Scatter symbol	—	✓	✓	✓	✓
Multiplier	—	—	✓	✓	✓
Bonus game	—	—	✓	—	—
Respins	—	—	—	—	✓

Every number is shown as a delta against Devils Lock.

Comparing against

Devils Lock

Bluberi

RTP

94%

Max win

2,013×

Score

+ Scatter+ Multiplier+ Bonus Game

+ Scatter+ Multiplier

Lil' Demon Mega Cash Collect

+ Scatter+ Multiplier+ Respins

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