Play Mysterious for Free in Demo Mode by Pragmatic Play

Play for Free100% free / No limits
Like this gameI like itNot for meI love it
My list
1 comment

Game information

Game developer Pragmatic Play
Progressive Jackpot
Configurable winlines
Bonus feature
Free spins
Quickspin feature
Gamble feature
Number of winlines 4096
Layout 4-4-4-4
Min bet $0.1
Max bet $100.0
Release date 2020
Last update 19 Nov 2023
Show more info
Less info

Game themes

Feel free to add this game to your website.

Copy Embed Code


Try Mysterious slot online for free in demo mode with no download and no registration required and read the game's review before playing for real money.

6.44 Guru Score
Quick verdict
This high RTP (96.50%), high volatility gothic horror-themed slot is filled with eerie characters and intriguing bonuses.
Read full review

About game provider

Mysterious review

Theme and Style

Mysterious is themed around a spooky, supernatural world.

On a dark and stormy night, players will find themselves in a town where uncanny forces are afoot. They’ll need to befriend some eccentric characters if they want to make it to morning.

Fans of gothic narratives such as Dracula will especially appreciate this slot’s dark atmosphere.

Graphics, Sounds and Animations

The eerie soundtrack is filled with tinkling notes and dramatic organ chords. Ghostly moans are blended into the music to emphasize the haunting vibe.

On the reels, players will see a variety of elegantly carved door knockers. Each one portrays a different animal, including lions, rams, owls, and bulls, all with glowing eyes.

Hearts, diamonds, clubs, and spades also make an appearance among the symbols in the form of different gems. Ornately engraved backdrops give each of the card suits symbols even more flair.

Beside the reels, The Lady, The Lord, and The Baron characters sit in golden frames. They wear historical ensembles and grave expressions, making it easy to imagine them in an intriguing story together.

In the background, players will see a dark village with a full moon and flashes of lightning overhead. On a hill sits an intimidating manor that brings to mind the iconic settings of stories such as Frankenstein.

Overall, the music and animation of Mysterious creates a moody gothic world.


Mysterious is a four-reel, four-row slot.

Wins are awarded for landing matching symbols in adjacent reels. Wins are calculated starting from the leftmost reel and going towards the rightmost.

Wilds, Bonuses and Free Spins

Mysterious features three special Wilds that trigger different game modes as follows:

  • The Lady: Substitutes for every symbol excluding the other Wild symbols and the Free Spins symbol. The Lady can expand to show mystery stacked symbols, creating new winning combinations. The Lady appears only on reels 2, 3, and 4 during the base game.
  • The Lord: Substitutes for every symbol excluding the other Wild symbols and the Free Spins symbol. If The Lord symbol forms part of a winning combination, it will show a randomly selected multiplier to be applied to the win. These multipliers can be 2x or 3x. The Lord appears only on reels 2, 3, and 4 during the base game.
  • The Baron: Substitutes for every symbol excluding the other Wild symbols and the Free Spins symbol. The Baron has the special ability to transform vertically adjacent symbols into Wilds. The Baron appears only on reels 2, 3, and 4 during the base game.

The Free Spins feature is triggered when players land at least 3 Free Spins symbols. If the feature is triggered by 3 Free Spins symbols, 8 free spins are awarded. Meanwhile, if the feature is triggered by 4 Free Spins symbols, 12 free spins are awarded.

Special reels are used for the Free Spins feature, and prior to the feature starting, players must choose from two versions of the feature:

  • Locking Multiplier Free Spins: During this version of the feature, a special Clock symbol can award multipliers and additional free spins to be played with a locked multiplier.
  • Resurrecting Roaming Wilds Free Spins: During this version of the feature, Wild symbols will fade after every spin to roam the reels, or come back to reels 2, 3, 4, or 5 at random.

Bet Sizes, RTP and Variance

The return to player of this game is 96.50%, above our yardstick for average of roughly 96%.

The range of bets on the site we tested ran from a minimum bet per spin of $/£/€0.10 up to a maximum of $/£/€100 per spin.

The volatility of Mysterious is high, which makes it a great match for our preferred slot machine strategies. Our slot strategies target the highest possible volatility.


We recommend this high RTP, high volatility gothic horror-themed slot.

The impressive RTP and sky-high volatility is enough to make Mysterious a great choice for mathematically-minded players.

On top of this, the high quality animation, distinctive theme, and interesting bonus features ensure that this slot is ghoulish fun for everyone.

Author: Jon Pill | This review was last updated: 19 Nov 2023
Learn how casino games work
Read our educational articles to get a better understanding of game rules, odds of winnings, as well as other aspects of online gambling.

Mysterious - general discussion

Discuss anything related to Mysterious with other players, share your opinion, or get answers to your questions.

Casino Guru

We want players to understand gambling.

Join the discussion on our Forum and meet casino players from all over the world
Follow us on social media – Daily posts, no deposit bonuses, new slots, and more
Subscribe to our newsletter for newest no deposit bonuses, new slots, and other news