Clicky

En en Flag

Last Updated on by

Image of the slot machine game Jack and the Mystery Monsters provided by Synot Games
Play for real

By clicking I confirm that I am 18+

Rate this game

362 votes

Play Jack and the Mystery Monsters Slot For Free Now In Demo Mode

Try out our FREE PLAY demo ofย  Jack and the Mystery Monsters online slot with no download and no registration required. Read the full game review below.

Synot Games

Software

January, 2020

Release date

96.2%

RTP

Play this game for real money at:

Illustrative image for the review of the online casino Treasure Mile Casino Review
Treasure Mile Casino Review

Icon representing the Bonus Offer Bonus offer:

$4000 Welcome Offer

Play now

18+ T&Cs apply

Illustrative image for the review of the online casino PayDay Casino Review
PayDay Casino Review

Icon representing the Bonus Offer Bonus offer:

$6000 Welcome Offer

Play now

18+ T&Cs apply

Game Theme

Horror

Game Feature

5-Reel Slots

Slot Name

Jack and the Mystery Monsters

Volatility

Medium

Paylines

15

Reels

5

Min Bet

0.12

Max Bet

80

Max Win

1113x

Return to Player

96.2%

Icon for the heading - Play More Play More Slots From Synot Games

Image of the slot machine game Vampire Bride provided by Synot Games
Release date: January, 2018

RTP: 96%

Volatility: Medium

Play for free

Vampire Bride

Image of the slot machine game Gem-O-Rama provided by Synot Games
Release date: January, 2017

RTP: 96.45%

Volatility: Medium

Play for free

Gem-O-Rama

Image of the slot machine game Hell Bars provided by Synot Games
Release date: January, 2020

RTP: 0%

Volatility: Medium

Play for free

Hell Bars

Image of the slot machine game Coins of Luck provided by Synot Games
Release date: March, 2023

RTP: 96.13%

Volatility: Medium

Play for free

Coins of Luck

Image of the slot machine game Solar God provided by Synot Games
Release date: December, 2020

RTP: 98%

Volatility: High

Play for free

Solar God

Image of the slot machine game Diamond Fever provided by Synot Games
Release date: June, 2023

RTP: 95.83%

Volatility: Medium

Play for free

Diamond Fever

Image of the slot machine game Joker 40 provided by Synot Games
Release date: January, 2017

RTP: 0%

Volatility: Medium

Play for free

Joker 40

Image of the slot machine game 8 Dice provided by Synot Games
Release date: December, 2022

RTP: 98.02%

Volatility: Medium

Play for free

8 Dice

Icon for the heading - Similar slots you might like Similar slots you might like

Image of the slot machine game Tyrant’s Fall provided by Synot Games
Release date: April, 2024

RTP: 96.03%

Volatility: High

Play for free

Tyrant’s Fall

Image of the slot machine game Deadworld provided by Synot Games
Release date: September, 2016

RTP: 94.04%

Volatility: Medium

Play for free

Deadworld

Image of the slot machine game Infectus provided by Synot Games
Release date: January, 2020

RTP: 92.99%

Volatility: Medium

Play for free

Infectus

Image of the slot machine game Monsters Cash provided by Synot Games
Release date: November, 2017

RTP: 96%

Volatility: Medium

Play for free

Monsters Cash

Adam Shaw

Adam Shaw

Author

Hi, I'm Adam Shaw, the Chief Editor at VegasSlots.net. I love casinos and have been working in the slots industry for more than 12 years. My passion for slots and casino games made me create this website, and under my supervision, our team will make sure you're enjoying the latest games and getting the best online casino deals!

Most Searched Pages

Icon Free Slots Icon Real Money Slots Icon Top Mobile Slots Icon Free Spins Icon Best Online Casinos

Banking

Icon Casino Deposit Methods Icon Cash App Icon Bitcoin Icon Visa

New Slots

Image of the slot machine game Money Train 4 provided by Relax Gaming
Money Train 4

Image of the slot machine game Book of Dead provided by Play'n Go
Book of Dead

Image of the slot machine game Sakura Fortune provided by Quickspin
Sakura Fortune

Image of the slot machine game El Dorado Fruits provided by Amigo Gaming
El Dorado Fruits

Image of the slot machine game Amigo Monkey 2 provided by Amigo Gaming
Amigo Monkey 2

Latest Blog Posts

Visual representation for the article titled Gambling Horoscope 2025: Discover Your Lucky Days to Gamble and Boost Your Chances of Success
Gambling Horoscope 2025: Discover Your Lucky Days to Gamble and Boost Your Chances of Success

Visual representation for the article titled Games with the Best and Worst Odds in Las Vegas
Games with the Best and Worst Odds in Las Vegas

Visual representation for the article titled Top Online Casino Hacks For Every Player: Win More in 2025
Top Online Casino Hacks For Every Player: Win More in 2025

Trending Pages

Visual representation for the article titled Best Wild Casino Bonus Codes to Redeem Now
Best Wild Casino Bonus Codes to Redeem Now

Visual representation for the article titled Best Bovada Bonus Codes to Increase your Bankroll
Best Bovada Bonus Codes to Increase your Bankroll

Visual representation for the article titled Cash App Casinos
Cash App Casinos

Casino Promotions:
Illustrative image for the review of the online casino Super Slots Casino Review

Icon representing the Bonus Offer Bonus offer:

$6000 + 100 Free Spins

Claim now

18+ to wager. Please Gamble Responsibly.

Illustrative image for the review of the online casino Wild Casino Review

Icon representing the Bonus Offer Bonus offer:

$5,000 + 125 Free Spins

Claim now

18+ to wager. Please Gamble Responsibly.

Illustrative image for the review of the online casino Juicy Stakes Casino Review

Icon representing the Bonus Offer Bonus offer:

200% Up To $1000 +25 Free Spins

Claim now

18+ to wager. Please Gamble Responsibly.

Report a problem with Jack and the Mystery Monsters

Let us know what went wrong:

While we resolve the issue, check out these similar games you might enjoy.

See all free slots