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Hellcatraz

Slots6x6 gridHigh volatility
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Play the Hellcatraz demo

The studio's own free-play build: play money, no account, no payout.

Official numbers from Relax Gaming

Official RTP
96.3%
Volatility
High
Max win potential
51,843×
Release date
2020-05-05
Grid
6x6
Hit frequency
25%
Pay mechanic
Ways to win
Game type
Slots

Features

Themes

Our recorded session

Hellcatraz has not gone through our rig yet. When it does, the full recorded session appears here: balance curve, hit rate, best win and the longest dry streak, published next to the official RTP above. Until then this page carries Relax Gaming's own figures and a playable demo, and nothing of ours.

Questions about Hellcatraz

Hellcatraz has an RTP of 96.30%.

The max win in Hellcatraz is 51,843x.

The free demo on this page lets you try Hellcatraz without risk.

Our game score8/10

Hellcatraz — A Relax Gaming Slot

Hellcatraz is a May 2020 release from Relax Gaming, landing on a 6x6 grid with a crime, urban and classic theme.

How Hellcatraz Plays

The action unfolds across a 6x6 grid where Tumble mechanics remove winning symbols and let new ones drop into place, allowing chains of wins from a single spin. Wilds substitute for other symbols to help form wins, while Mystery Symbols turn into a revealed symbol.

Hellcatraz Features

Beyond the base spin, Hellcatraz carries a Volatility Switch that lets the player change the game's volatility setting. Symbol Collection gathers certain symbols toward a goal that unlocks something. Free Spins open a bonus round played without further stakes, and Buy Bonus lets players pay to enter the bonus directly.

RTP, Volatility and Win Potential

At 96.30%, Hellcatraz sits above the ~96% industry average. High volatility means fewer but larger hits, longer dry spells, and a need for patience and bankroll headroom. The 51,843x max win reads as a high-potential ceiling.

Theme and Design

The Crime, Urban and Classic themes suggest a city crime atmosphere layered over traditional slot sensibilities.

Verdict

Hellcatraz earns its 8/10 through an above-average RTP, a high-potential 51,843x ceiling, and a Volatility Switch that puts some control in player hands. The broad feature set and Symbol Collection add mechanical depth, though the high volatility asks for tolerance of long dry spells. It suits players who value agency alongside serious win potential. Try the free demo to gauge how the volatility sits with your preferences.