Relax Gaming

Hellcatraz

RARE Slots Video Slots Detective Fish Art Cops and robbers Love Shark Police Prison Retro Sea Star

A retro crime-slot showcase that turned Hellcatraz into a Relax Gaming series.

Only 0.1% of slots combine Mystery Symbol and Sub Symbols In Feature.

SlotRanker Score

/ 99

05099

The SlotRanker Score is calculated from the visible data below. It is not affected by affiliate deals or paid placement.

How this score is built

RTP

96.46%

return to player

Volatility

High volatility

variance

Max win

51,840×

top multiplier

Min bet

$0.10

per spin

Reels

46656 lines

Player rating

4.3 ★

6 votes

DEMO Play free, no signup

Relax Gaming

Embed on your site

4.3 / 5

6 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 96.46% → 9.0/10

Volatility9/10

high → 9.0/10

Win Potential9.4/10

x51840.00 (51840×) → 9.4/10

Features10/10

15 features → 10.0/10

Game Mechanics7.4/10

f=15 r=6 p=46656 → 7.4/10

Context signals (tie-breakers)

Layout5/10

6x6 → 5.0/10

Bet Flexibility2/10

0.1–1 (×10) → 2.0/10

Provider Reputation7.4/10

provider avg 7.4 → 7.4/10

Popularity6.2/10

search demand p46 + proxy blend (70/30) → 6.2/10

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: 80 — Hellcatraz by Relax Gaming

https://slotranker.com/relax-gaming/hellcatraz#score

How to cite

Slot Summary

Hellcatraz feels like Relax Gaming using a prison-break theme to make a statement about personality as much as payout potential. It draws on Alcatraz and San Francisco Bay, then filters that crime setting through a retro, pixel-led style that echoes 80s computer games, old-school Nintendo aesthetics and even the neon-edged attitude associated with Hotline Miami. Released as Relax's fifth slot of 2020, it was also positioned as the studio's most volatile title and biggest-win game at the time, giving it a clear role in the portfolio: a louder, riskier showcase piece. It later became the foundation for Hellcatraz 2 Dream Drop.

Spec sheet

Hellcatraz at a glance.

Identity

Slot nameHellcatraz

StudioRelax Gaming

Released5/5/2020

Math

SlotRanker Score80

RTP96.46%

VolatilityHigh volatility

Max win51,840×

Bet range$0.10 – $1.00

Player rating4.3 / 5 · 6 votes

Format

Reels6

Paylines46656

Layout6x6

Expected average based on this slot's 96.46% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$1.42

Cost per session$1.42

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 Hellcatraz? 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: High

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 (High). The model is calibrated so the average return equals this slot's published RTP (96.46%), with wins capped at its top multiplier (51,840×).

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.

Compare Hellcatraz with other games

	Hellcatraz Score 80This game	Shark Frenzy Score 81	Jawsome Score 89	Arctic Fish and Cash Score 85	24K Gold JailBreak Score 82
Identity
Studio	Relax Gaming	SlotMill	Massive Studios	Popiplay	Hot Rise Games
Released	5/5/2020	4/4/2023	3/8/2025	12/14/2023	8/25/2024
Math
RTP	96.46%	96.13%	96.65%	98.08%	96.1%
Volatility	High volatility	Medium/High	High volatility	High volatility	High volatility
Max win	51,840×	7,777×	50,000×	10,200×	10,000×
Format
Reels	6	5	6	5	6
Layout	6x6	5x4	6x6	5x5	6x4
Paylines	46656	30	Cluster Pays	Pay Anywhere	23328
Min bet	0.10	0.15	0.20	0.20	0.30
Max bet	1.00	60.00	100.00	25.00	21.00
Features
Progressive	—	—	—	—	—
Wild symbol	✓	—	✓	✓	✓
Free spins	✓	✓	✓	✓	✓
Scatter symbol	—	—	✓	✓	✓
Multiplier	—	✓	✓	✓	✓
Bonus game	—	—	—	—	—
Respins	—	✓	—	—	—

Every number is shown as a delta against Hellcatraz.

Comparing against

Hellcatraz

Relax Gaming

RTP

96.46%

Max win

51,840×

Score

+ Multiplier+ Respins− Wild

+ Scatter+ Multiplier

+ Scatter+ Multiplier

+ Scatter+ Multiplier

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01What is the return to player (RTP) for Hellcatraz?

The RTP for Hellcatraz is 96.46%.

02Can I play Hellcatraz for free?

A free version of Hellcatraz is available — no registration or deposit required.

03Can I play Hellcatraz in a mobile browser?

Yes, Hellcatraz works perfectly on mobile devices.

04Is Hellcatraz available in real-money casinos?

Absolutely — Hellcatraz supports real-money bets and cash payouts.

05What is the maximum win in Hellcatraz?

Hellcatraz has a maximum win potential of x51840.00, offering substantial prize opportunities.

06Is Bonus Buy available in Hellcatraz?

Of course. You can buy the bonus round in Hellcatraz.

07Does Hellcatraz reward players with Free Spins?

Yes, players can unlock Free Spins during base game spins in Hellcatraz.

08Can I play Hellcatraz with the Megaways layout?

The Megaways mechanic isn't used in Hellcatraz.

09Does Hellcatraz feature a progressive jackpot prize?

Hellcatraz doesn’t offer a progressive jackpot prize.

Series

Hellcatraz

View all 2 games

Game	Year	RTP	Volatility	Slot Score
HellcatrazCurrentRelax Gaming	2020	96.46%	High volatility	80
Hellcatraz 2: Dream DropLatestRelax Gaming	2023	96.1%	High volatility	79

HellcatrazCurrent
Relax Gaming · 2020
RTP96.46%Score80High volatility
Hellcatraz 2: Dream DropLatest
Relax Gaming · 2023
RTP96.1%Score79High volatility