Hellcatraz II from Relax Gaming

RTP: 96.1%

Break out of the ordinary with Hellcatraz II! Uncover secrets and big wins behind the bars.

Game Review

Break out of the ordinary with Hellcatraz II, an electrifying casino game from Relax Gaming! This highly anticipated sequel transports players back to the infamous Alcatraz prison, rendered in a captivating 8-bit retro style, where a dynamic 6-reel, 6-row grid with cascading wins and unique features combine for thrilling gameplay. With its unique Mystery Symbols, Super Free Spins Bonus Game, and the potential for colossal rewards, Hellcatraz II offers an unforgettable adventure. Uncover secrets and big wins behind the bars, aiming for massive payouts up to 20,000x!

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Provider	Relax Gaming
Release Date	2023-04-26
RTP	96.10%
Volatility	High
Max Win	20,000x
Theme	Prison / Crime / Retro / 8-bit

Game Information & Statistics

Feature	Value
Reels	6
Rows	6
Paylines	46,656 Ways
Min Bet	$0.10
Max Bet	$100
Max Win	20,000x
Jackpot	No
RTP	96.10%
Volatility	Very High
Hit Frequency	15.7%

Theme, Graphics, and Symbols

Hellcatraz II immerses players in a captivating 8-bit retro world, taking inspiration from the infamous Alcatraz prison. The visual design is intentionally pixelated, referencing classic 8-bit video games, creating a nostalgic yet intense atmosphere. The 6-reel, 6-row game grid is set against a backdrop of towering prison walls, guard towers, and the dark waters surrounding the island. Graphics are vibrant and detailed, bringing the prison theme to life with charmingly retro character symbols (prisoners, guards) and fluid animations for cascading wins and exploding Mystery Symbols. This classic slot perfectly blends old-school gaming with modern excitement.

The soundtrack features an upbeat, retro chiptune score, reminiscent of 8-bit video games, perfectly complementing the theme of pixelated escape. Sound effects for cascades, explosions, and bonus triggers are impactful, further immersing players in this captivating casino game.

Symbols and Payouts

Regular Symbols: Lower-paying symbols are represented by playing card suits (diamonds, clubs, hearts, spades) designed with a pixelated look. Higher-paying symbols feature various prison-related items like handcuffs, badges, keys, and two distinct prisoner characters (a male and a female). The male prisoner (or the most dangerous-looking character) is typically the highest-paying regular symbol.
Special Symbols:

Wild Symbol: A ‘WILD’ logo, designed in pixel art, acts as the Wild. It substitutes for all regular pay symbols to help form winning combinations.
Mystery Symbols (Locked Cell Doors): These special symbols appear as locked cell doors with a countdown timer. When a Mystery Symbol is part of a win, its counter decreases. When the counter reaches zero, the Mystery Symbol unlocks and reveals either a single matching symbol, a double symbol (counting as two for win evaluation), or a cash prize.
Bonus Scatter: A ‘BONUS’ key symbol serves as the Scatter. Collecting 3 or more of these triggers the Super Free Spins Bonus Game.

How to Play Hellcatraz II and Its Bonus Features

How to Play Hellcatraz II

To attempt your daring escape in this exciting casino game, first select your desired bet size, ranging from $0.10 to $100 per spin. Once your wager is set, hit the “Spin” button to set the 6 reels and 6 rows in motion. Wins are formed by landing 3 or more matching symbols on adjacent reels, starting from the leftmost reel, utilizing a staggering 46,656 ways to win. Winning symbols are removed via a cascading mechanic, and new symbols fall down, allowing for multiple consecutive wins within a single spin. We highly recommend trying the Hellcatraz II free slot machine demo mode available on our site to familiarize yourself with its unique Mystery Symbols, Super Free Spins, and other bonus features without any financial risk. This mobile slot is fully optimized for all devices, ensuring a seamless and thrilling gaming experience on the go. Break out of the ordinary and uncover secrets today!

Bonus Features and Mechanics

Hellcatraz II is packed with dynamic bonus features designed to help you execute the perfect escape and claim colossal rewards:

Cascading Wins: After any winning combination, the contributing symbols disappear from the reels, and new symbols fall from above to fill the empty spaces. This allows for multiple consecutive wins from a single paid spin.
Mystery Symbols (Locked Cell Doors): These special symbols appear with a countdown value. Each time they are part of a winning cascade, their value decreases. When the counter reaches zero, the Mystery Symbol unlocks and reveals either a single matching symbol, a double symbol (counting as two instances for win evaluation), or a cash prize. These can lead to massive win combinations.
Super Free Spins: Collecting 3 or more Bonus Scatter symbols (keys) triggers 5 free spins. Each additional Scatter beyond the third awards +1 extra free spin. During Super Free Spins, Mystery Symbols are more frequent, and their countdown timers are significantly reduced or even removed, allowing them to unlock faster and reveal lucrative symbols more often. There are two modes for collecting Mystery Symbols: “Mixed” (mixes Mystery Symbol values) and “Countdown” (requires consecutive cascades to reveal values).
Bonus Buy (Not for UK players): Where available, Hellcatraz II offers a Bonus Buy option. For a cost of 200 times your current bet, you can instantly trigger the Super Free Spins round. This option comes with an increased RTP of 96.87%, offering a potentially more favorable high RTP slot experience.

Understanding RTP and Volatility in Hellcatraz II

Hellcatraz II features a default RTP (Return to Player) of 96.10%, which is considered a solid and slightly above-average return for an online slot. This makes it a favorable high RTP slot choice for players. When utilizing the Bonus Buy feature (where available), the RTP is further boosted to an impressive 96.87%, offering an even more favorable long-term return.

The game operates with Very High volatility. This indicates that while wins may not occur very frequently, when they do, they have the potential to be extremely substantial, with a max win of 20,000x your stake. Very High volatility slots are particularly appealing to players who enjoy the thrill of significant payouts and are prepared for longer periods between returns. With a hit frequency of 15.7%, meaning a win occurs approximately once every 6.37 spins, it offers a challenging but potentially very rewarding casino game experience.

Our Verdict on Hellcatraz II

Hellcatraz II is an exceptional casino game that brilliantly combines a nostalgic 8-bit aesthetic with innovative slot mechanics and colossal win potential. Relax Gaming has delivered a visually unique and feature-rich classic slot where the cascading wins, unique Mystery Symbols with countdowns, and the powerful Super Free Spins create dynamic and incredibly engaging gameplay. The very high volatility ensures a challenging yet rewarding ride, and the astounding 20,000x max win potential makes it a compelling choice for players who appreciate intricate bonus features and high-stakes action in a mobile slot. It’s a fantastic online slot games experience for any aspiring escape artist!

Pros	Cons
✅ Unique 8-bit retro prison theme with excellent graphics and sound.	❌ Very High volatility might lead to long dry spells for some players.
✅ Innovative Mystery Symbols with countdowns for dynamic transformations.	❌ Gameplay can be complex for new players due to many features.
✅ Powerful cascading wins (46,656 ways to win).	❌ Max win of 20,000x, while huge, can be extremely difficult to achieve.
✅ Rewarding Super Free Spins with enhanced Mystery Symbols.	❌ No progressive jackpot.

Suitable for: Players who enjoy retro 8-bit themes, cascading wins, mystery symbols, and very high-risk, high-reward seekers looking for the ultimate challenging mobile slot experience.

Tips & Strategy

Tips for Playing Hellcatraz II

Master the Demo: Utilize the Hellcatraz II free slot machine demo to thoroughly understand the cascading wins, how Mystery Symbols countdown and transform, and the Super Free Spins mechanics before playing with real money.
Bankroll Management for Very High Volatility: Given the very high volatility, it’s crucial to set a strict budget and manage your bankroll very carefully. Prepare for longer sessions and be patient for the big wins.
Focus on Mystery Symbols: These are central to both base game action and the bonus rounds, as unlocking them can lead to significant symbol transformations and payouts.
Consider the Bonus Buy: If available in your jurisdiction, the Bonus Buy option provides instant access to the Super Free Spins round with an increased RTP, allowing you to experience the game’s core action directly.