Free slot demo · player guide
Hellcatraz
There’s mystery lurking between the bars at Hellcatraz. Each Mystery Symbol appears as a countdown, reduced with each cascade.
18+ · free play · no account or deposit
Game details checked 21 Aug 2026How we check games
60-second guide
What matters at a glance
Free play
Play Hellcatraz here
Open the game below to check its pace, controls and features. Free play stays on SlotsCollector.
No sign-up · no deposit · full screen available
Look for
Features worth trying
- Cascading Wins
Cascading Wins
- Collect Mechanic
Collect Mechanic
- Free Spins
Free Spins
Game overview
What is Hellcatraz?
There’s mystery lurking between the bars at Hellcatraz. Each Mystery Symbol appears as a countdown, reduced with each cascade. When it reaches 0 the symbol is revealed. Choose between Lockdown Mode or Mixed Mode that start at the same counter values or different ones, respectively. Keep an eye out for Key Symbols that can award 1-10 Keys each, 2000 of them unlock Super Free Spins where Mystery Symbols immediately reveal themselves, and Golden Mystery Symbols trigger additional spins with just 2 cascades! There are 46,656 ways to win in Hellcatraz, sometimes it’s good to be bad…
How it plays
The features that shape the game
Hellcatraz is listed as a Video Slot from Relax Gaming.
Cascading Wins
Cascading Wins
Collect Mechanic
Collect Mechanic
Free Spins
Free Spins
Multipliers
Multipliers
Wild Symbols
Wild Symbols
Before you play
Does Hellcatraz match what you want?
Judge the format and features first. Theme alone tells you very little about how a game feels.
What this game offers
- Video Slot format from Relax Gaming
- Very-High volatility
- Cascading Wins
- Collect Mechanic
- Free Spins
What to check first
- This page lists RTP at 96.46%; confirm it in the version you open.
- Casino stake limits and feature settings may differ from the free-play version.
- Free play shows the mechanics, but it cannot predict a future result.
Quick answers
Hellcatraz FAQ
Clear answers based on the game information and demo status available today.
Can I play Hellcatraz for free?
Yes. Select “Play free demo” to open Hellcatraz on this page without an account or deposit.
What type of game is Hellcatraz?
Hellcatraz is listed as a Video Slot from Relax Gaming. The confirmed features are listed above.
What is the RTP of Hellcatraz?
The RTP shown for Hellcatraz is 96.46%. A casino may offer a different configuration, so confirm the value in the in-game information screen.
Can I play for real money here?
No. SlotsCollector provides game information and free demos only; it does not accept bets or deposits.
Game facts
Hellcatraz numbers and features
These are the details currently confirmed for this game. Check the in-game information before using real money.
Payouts & risk
- RTP
- 96.46%
- Volatility
- Very-High
- Maximum win
- 51,840×
- Bet range
- €0.10 – €25
Reels & wins
- Reel layout
- 6×6
- Ways to win
- 46656
- Payout system
- Ways
Bonus features
- Features
- Cascading Wins, Collect Mechanic, Free Spins, Multipliers, Wild Symbols
- Free spins
- Yes
- Bonus buy
- No
- Jackpot
- No
Release & devices
- Release date
- 5 May 2020
- Theme
- Crime, Horror, Prison
More to play
More games from Relax Gaming
Check real-money availability
This game may be available to play for real money at our partner sites. Availability varies by location.
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