Hellcatraz is a video slot from Relax Gaming with a 6x6 grid and a large number of paylines, set out in the table above. It has high volatility and four features: free spins, Golden Mystery symbols, cascading wins and an energy symbol collection feature. This page explains how to look for the game at LottoGo, how to start a session within the UK stake rules, what the features mean in play and who the slot suits. For other titles to compare, see the slots page.
How to find and start Hellcatraz at LottoGo
Open the slots area of the LottoGo website and search for Hellcatraz by name. If you do not find it there, look for similar games from Relax Gaming instead, and compare them using the facts on this page.
Once a game is open, choose a stake before the first spin. Online slots in the UK have a maximum stake per spin and a minimum spin time. The stake limit is lower for players under 25, so choose a stake within the limit that applies to you.
Before you play, read the paytable and the help screen. They show what each symbol pays, how the free spins are triggered and how the Golden Mystery and energy features work. Rules set out in the game itself are more reliable than a summary, including this one.
If you play on a phone, check the mobile version first, so the controls and paytable are easy to read on a small screen. Decide your budget before you open the game, and stop when it is spent.
18+ · T&Cs apply
How the features play out in a session
Cascading wins work in sequence. After a winning combination, the winning symbols are removed and new symbols fall into the grid. One spin can therefore produce several wins one after another. Each cascade is decided by the random number generator, so a run of cascades does not signal anything about the next spin.
Golden Mystery symbols are special symbols, and their effect is set out in the paytable. Read the paytable before you rely on them, because the exact behaviour is part of the game's rules rather than a general pattern.
The energy symbol collection feature builds up over the course of play. What it leads to is shown in the game's own rules. Free spins are a separate round that uses no extra stake from your balance, though the outcome of each free spin is still random. For the site's general information on free spins, see the free spins page.
The RTP of 96.46 is a long-run average across all players and all spins. It is not what one session will return, and a short session can end well above or below it. The maximum win of 51,840x the stake is the top possible payout. Reaching it is rare, as is typical for a high-volatility game.
Who Hellcatraz suits
Hellcatraz suits players who accept high volatility, meaning wins that come less often but can be larger. It may suit someone who enjoys the feature rounds and is happy to play within a fixed budget.
It is less suited to players who want frequent small wins, or to newcomers who may find long stretches without a notable win hard to follow. Results are random, and no timing or pattern changes them. Set your budget before you start, and see safer gambling for tools and support.
