Hellcatraz Slot

Review, Demo Play, Payout, Free Spins & Bonuses

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Pros
  • Fun retro-themed graphics
  • Huge top prize of 51,840x
  • Engaging collection feature
Cons
  • Highly volatile gameplay
  • Mystery symbols not very beneficial

Hellcatraz is an online slot created by Relax Gaming and it's a highly-volatile game. The main feature is a free-spins feature, and non-UK players are able to purchase direct entry to the bonus round. It can also be triggered by collecting 2,000 keys.

Introduction

Hellcatraz is an innovative and exciting online slot from Relax Gaming with a retro theme that features over 40,000 winning ways and offers a wide betting range between .10 coins and 25 coins per spin. There are some great bonus features in this slot, including free spins and mystery symbols, along with a generous top prize worth 51840x.

Theme and Graphics

Hellcatraz from Relax Gaming has a really interesting aesthetic that is sure to appeal to fans of retro gaming. The slot features 8-bit style graphics, like you’d encounter in old school Nintendo games or retro-style games like Hotline Miami, which is pretty unique in today’s slot market. It resembles Playtech’s Pixel Samurai and Thunderkick’s Flamebusters, and we’d definitely like to see this style represented more in modern slots.

Hellcatraz Slot

RTP and Variance

The return to player (RTP) of Hellcatraz online slot is 96.46%. It’s also a high volatility slot, so you’ll notice that wins don’t come around frequently but, thanks to the cascading reels, you’re likely to hit fairly big prizes whenever you do land them.

How to Win

The slot takes place on a 6x6 grid with 46,656 winning ways. To hit winning combinations, you have to match symbols in any position as long as or more of them appear on adjacent reels. The matching symbols have to appear from left-to-right, though.

The most generous symbol in the game is the police officer. He pays out a prize of 10x your stake when he appears six times across the reels. However, the biggest win that you can land while playing Hellcatraz is worth 51,840x your stake. This is due to the fact that there are plenty of different bonus features in the game, including cascading reels which cause winning symbols to disappear and new symbols to fall into their places. So, you can land multiple wins on each spin.

Free Spins and Bonuses

There are Mystery Symbols in this slot, but they don’t play out like they do in most slots. Each one is behind a set of bars and has a counter on it. Every time a cascade occurs, the mystery symbols will stay on the reels and their counters will decrease by 1. When the symbols’ counters reach zero, they will all display the same symbol.

There are two ways that the Mystery Symbols work, which depends on the Mode you’re playing in.

Mixed Mode

The mystery symbols have different counters on them. For example, some symbol counters start at 3 while the others start at 5 on the same spin.

Lockdown Mode

All mystery symbols on the same spin will show the same counter. This is the “super high volatility” option, as it offers up some very generous payouts, but it can take quite a while for the countdown to reach zero on all symbols but they’ll all make their reveals at once to help you land some big wins.

There is also the Key Collector Metre which will trigger the Super Free Spins round if you manage to collect 2000 keys. These keys appear randomly throughout the base game and, although it can take quite a while to collect the keys, using the Buy Feature option allows you to purchase additional keys to get you closer to the Super Free Spins bonus – similar to how it works in Reel Rush 2.

During the Super Free Spins round, there is no countdown on any of the mystery symbols. Since lots of mystery symbols land on the reels on each spin, there really is the potential for you to land some amazing prizes.

Overall Review

Hellcatraz is a fantastic online slot, and it’s worth some spins just to see what all of the buzz is about. Relax Gaming has done a fantastic job of bringing players totally new gameplay features and a unique art style that are sure to capture your attention.

The mystery symbols that countdown is something we’ve never seen before in an online slots, and it really enhances the excitement as you spin the reels. It makes for a fun and interesting online gaming experience even with high volatility gameplay that could mean you’re waiting a while in between big wins.

Hellcatraz really has the potential to start a new trend in the online slots world. It would be great to see countdown mystery symbols put to work in other slots, as it makes for a fantastic online gaming experience.

Disclaimer: Hellcatraz trademark / license is owned by Relax Gaming. This site is not endorsed by Relax Gaming.

* This button takes you to an external third-party partner real money casino website. Although we try and match games with Casinos that have them, we advise that you double-check the slot content on the casino website before making a deposit or signing up.

Slot Data
Slot Name: Hellcatraz
Software: Relax Gaming
RTP: 96.46%
Volatility: High volatility
Paylines: 46656
Reels: 6
Min Bet (all lines covered): £0.10 (GBP)
Max Bet: £20 (GBP)
Top Win: 51840
Features: Wild Symbol , Free Spins , Sub Symbols In Feature , High volatility , 6 Reels , Cascading , 243 Ways , Mystery Symbols , Turbo Spin , Symbol Collection
Themes:
UK Available in GB? Yes. Relax Gaming have a UKGC license and are allowed to offer their games at UK licensed casinos.

Hellcatraz Slot FAQs

What is the RTP of Hellcatraz?

Hellcatraz has a payout percentage of 96.46%.

How do the Mystery Symbols work in Hellcatraz?

In Hellcatraz, the mystery symbols have counters on them which decrease for every cascade on each spin. So, for example, if the counter on a symbol starts at 5, it will decrease to 4 on the first cascade and 3 on the second. When the counter reaches 0, the mystery symbols will reveal themselves. In lockdown mode, all mystery symbols start at the same countdown number. In mixed mode, they start at different numbers.

Does Hellcatraz have a free spins round?

You can trigger the free spins bonus in Hellcatraz by collecting 2000 keys (which appear randomly on each spin). Here, you’ll get 5 free spins where the mystery symbols immediately make their reveals.

What is the biggest win available on Hellcatraz?

The biggest win you can land while playing Hellcatraz is worth 51843x.

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