Mystery Joker Slot Machine

Mystery Joker is a cross between a classic fruit slot and a video slot game.

It houses bonus features, including the Free Spins feature and the Mystery Win feature.

Mystery Joker slots is a 3-reel video slot game with 5 paylines, 3 rows and is a Jester theme. Powered by Play’n Go, this medium variance casino game has an RTP value of 96.98%. The reels to trigger the bonus features include the mystery prize multiplier symbol and the Jester’s hat scatter symbol.

Everything about this slot game is promising, especially the bonus game, which initially awards ten free spins.

In this Mystery Joker Slot Review for May 2022, we look into what the three reels of this Play’ n Go slot can offer and how to play them, along with a few reminders that you need to keep in mind while playing this game.

Are you up for some mysterious reel action? Which symbol do you think holds the key to Mystery Joker’s bonus features and free spins?

Read on to find out!

Best Mystery Joker Slot Sites

Play the game at the best casino sites. From our research, we have created a list of the Mystery Joker Slot Sites and casino sites in May 2022:

  • MrQ

    MrQ Logo

    First deposit only. Min deposit & spend £10. Max 30 spins on VALHALLA at 25p per spin. Spins credited upon spend of £10.

    Full T&C's Apply

  • Wizard Slots

    Wizard Slots Logo
    500 FREE SPINS

    New Players Only, Min Deposit £10, £8 Max Win Per 10 Spins, Max Bonus Conversion Equal To Lifetime Deposits (Up To £250), 65X Wagering Requirements.

    Full T&C's Apply

  • PlayOJO Casino

    Play Ojo Logo

    This offer is only available for first time depositors. Min deposit is £10. 50 Free Spins on Rich Wilde and the Book of Dead Slots. Spin Value: £0.10. After your first deposit you may claim your 30 Extra Free Spins by visiting the Kicker Section. No min withdrawal. This offer cannot be used in conjunction with any other offer. This offer is only available for specific players that have been selected by PlayOJO. If you have arrived on this page not via the designated offer via PlayOJO you will not be eligible for the offer. OJO’s Rewards and Game Play policy applies.

    Full T&C's Apply

  • Wink Slots

    Wink Slots Logo

    New UK players only. Register & get up to 30 Free Spins [FS]. 10 FS*3 over 3 days upon login. Must be claimed by 23:59 on day of grant; wins set at £3–£12 in bonus funds. Non-funded player balance capped at £100 exc. jp. wins. Welcome Offer: Min £10 deposit, get 100% Bonus (max £100) + 30 FS. Must be claimed within 7 days. Bonus wins capped at £400 exc. JP wins. General: FS valid on specific games & valid for 7 days once claimed. FS wins granted in bonus after all FS used. Bonus valid on specific games only. Wagering req. apply: 30x bonus funds (vary by game); T&Cs Apply.

    Full T&C's Apply

  • Unibet Slots

    Unibet Slots Logo
    DEPOSIT £10 GET £40

    New customers only. 18+, Min deposit £10. Money back as bonus. Wagering requirements: Sportsbook 3x at min. odds of 1.40 (2/5), Casino 25x. Only one bonus can be used at a time, Sportsbook bonus must be wagered before using the Casino, unless the bonus has been forfeited. Bonus will expire after 7 days of opt-in.

    Full T&C's Apply

  • Playzee

    Playzee Logo
    100% UP TO £300 BONUS + 100 ZEE SPINS

    18+. New players only. Min Deposit £20 Max Bonus Bet £5 Winnings from spins capped at £50 100 Zee Spins valid on Starburst (first 10 credited immediately upon first deposit; rest credited at 07:00 GMT at 10/day). Spins must be used by 23:59 GMT of the day on which they are credited to player account, any unused shall be removed. Bonus funds must be used within 30 days. Bonus funds are separate to Cash funds, and subject to 35x wagering (bonus + cash). Full terms apply.

    Full T&C's Apply

  • WatchMySpin

    WatchMySpin Logo
    UP TO £100 + FREE SPINS

    New players only. Wagering occurs from real balance first. 50x wagering the bonus. Contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus valid 30 days from receipt. Max conversion: 3 times the bonus amount. Withdrawal requests voids all active/pending bonuses. Excluded Skrill deposits.

    Full T&C's Apply

  • Slots Magic

    Slots Magic Logo
    UP TO £50 + 50 FREE SPINS

    First Deposit Only. Min. deposit: £10, max. Bonus £50. Game: Rich Wilde and the Book of Dead, Spin Value: £0.10, Max Extra Spins:50. WR of 30x Deposit + Bonus amount and 60x Extra Spin winnings amount (only Slots count) within 30 days. Max bet is 10% (min £0.10) of the extra spin winnings and bonus amount or £5 (lowest amount applies). Extra Spins must be used before deposited funds. Bonus Policy Applies.

    Full T&C's Apply

  • Pots of Luck

    Pots of Luck Logo

    New players only. First deposit only. Min deposit £10. Min 100 bonus spins, max 300 bonus spins on selected slots only. 30x wagering. 4x conversion.

    Full T&C's Apply

  • 888 Casino

    888 Casino Logo

    No Deposit Offer: New players only • Claim in 48 hrs • RS (Real Spins) for selected games • 14 day expiry • RS wins capped at £7 & credited as real money • Winnings granted once all RS have been used • Deposit Offer: 1st time depositor at 888casino only £20 min deposit with code • Valid for selected games only • Bonus wins capped at £500 • 30x wagering -req. vary by game- in 90 days • Payment method & country restrictions apply • Withdrawal terms, No Deposit Offer & Deposit Offer terms apply. 18+, BeGambleAware

    Full T&C's Apply

  • MFortune Slots

    mFortunte Slots Logo

    18+. New players only. 20x wagering requirement. Expires after 7 days. Max withdrawal from bonus winnings £50. T&Cs apply,

    Full T&C's Apply

  • Mr Spin No Deposit Bonus

    Mr Spin Casino Logo

    18+. New Players only. Up to 50 (20p) free spins locked to Reel Royalty. Win paid as bonus credit. 40x wagering requirement. 14 day expiry. £50 Max withdrawal from bonus win. T&Cs apply.

    Full T&C's Apply

  • Slotzo

    Slotzo Logo
    UP TO £150 + 50 EXTRA SPINS

    18+. New Players Only. Min. deposit £20. UK players. Max. bonus 1st deposit £50 and 2nd deposit £100. Max wins from spins £100. 35x wagering applies, within 21 days. 20 spins on 1st deposit and 30 spins on 2nd deposit. Spins available on specific games. Spins expire after 24 hours.

    Full T&C's Apply

About Mystery Joker Slot Game

Mystery Joker is a classic video slot game from Play’ n Go.

It comes with three reels, three rows, and five paylines.

This slot game has a cartoon theme and a colour scheme consisting of purples and yellows.

Upon starting the Mystery Joke slot game, you will see that everything on the screen speaks traditional.

The reels are kept simple with golden yellow frames against a glowing purple backdrop with question marks stamped all around it.

Mystery Joker Slot How to Play

The first and third reels have the numbers 1 to 5 attached to them.

These acts as a guide for you regarding the value of the winning combinations that you will be managing to land on the paylines.

Mystery Joker has retro fruit symbols in its reels.

These include cherries, lemons, and grapes. As an extra throwback, the reels also contain golden bells and stars.

The game screen of Mystery Joker is made up of two-dimensional graphics, which is expected from most classic-type slots.

Nonetheless, the graphics design is crisp and clear.

The animations are smooth as well on both the base game and the bonus game, such as the free spins.

How to Play Mystery Joker Slots Online

These are the steps to playing Mystery Joker slots online:

  1. Choose your bet per spin from the selection of stake values found in the centre of the game setting menu by clicking on the left and right buttons. Note that you can no longer change your bet for that round once you start a game round.
  2. Press the green SPIN button to set the reels in action.
  3. Once the reels stop spinning, your win value will depend on the displayed symbols and the paytable that can be opened using the game settings menu.

There are also other functions that you can utilize to maximize your gaming experience.

  • Autoplay. You can enable or disable the Autoplay function using the AUTOPLAY button in the game settings menu.
  • Hyper Spin. You can increase the reels’ spin speed by pressing and holding down the SPIN button for about 1.5 seconds. Note that this function is not available during a bonus feature.
  • Stop. Stop the spinning of the reels more quickly by simply tapping on any area of the screen.

Mystery Joker Slot Symbols

Lastly, here are a few reminders to take note of while playing Mystery Joker:

  • Only the wins occurring on the selected payline/s will be considered payline wins.
  • All wins on the Mystery Joker slot are paid from left to right.
  • For multiple payline wins, all winnings will be added together.
  • Winnings from bonus features such as the Free Spins feature will be added to the base game’s payline wins.
  • Only the win with the highest value will be paid per selected line.
  • All winning combinations are paid out at the end of every round.
  • In case you get interrupted in the middle of a round, all information and bets placed during that round will be kept until the game gets continued.
  • All pay and play information will be deemed void in case of a malfunction.

You can play the Mystery Joker slot on your desktop at home or on the go with any of your mobile devices since it is fully optimized for mobile gaming.

Interactive Features

Mystery Joker offers some exciting bonus features to help you increase your chances of winning.

  • Scatter Symbol

A jester’s hat represents this particular symbol.

Landing at least three of this symbol on the reels will activate the Free Spins feature and give you an initial award of 10 free spins.

Scatter wins will be multiplied by the total bet staked and will be added to the payline wins.

  • Mystery Win

Mystery Joker also offers a bonus feature wherein you get a mystery win that may range from 1 to 100 times your triggering bet whenever you land at least two more Scatter symbols during the Free Spins feature.

Slot Info

Mystery Joker SlotsAttributes

Casino Game:

Mystery Joker Slot Game






Play’n Go Slot Software

Minimum Bet:


Max Bet:



Medium Variance Slots



Slot Theme: 


Bonus Features:

Jester’s hat scatter, free spins, mystery prize multiplier, bonus round

Max Win:


Free Spins:


Release Date:

15th October 2018

What Symbol Triggers the Mystery Joker Slot Bonus Free Spins?

Mystery Joker has an interesting Free Spins feature that can be triggered by landing three or more jester hat symbols.

The Mystery Joker Free Spins feature starts with ten free spins.

But retriggering the feature up to four times can give you a total of 50 free spins!

Paylines and Stakes

The Mystery Joker slot has the following bet information:

  • Reels – 3
  • Paylines -5
  • Minimum coin size – 0.10
  • Maximum coin size – 20
  • Minimum bet – 0.50
  • Maximum bet – 100

Mystery Joker also has a maximum payout worth 50,000 coins!

Mystery Joker Slot Game Software

The Mystery Joker slot was developed and released in September 2014 by Play’ n Go.

Play’n Go is known as one of the leading names of software developers in the online slot industry.

What is Mystery Joker Slot

They have a reputation for producing high-quality slot games with well-rendered graphics, fun animations, and appropriate sound effects.

Most of their slots contain impressive and innovative bonus games which players love.

What is the Mystery Joker Slot’s RTP?

Mystery Joker slot has a Return-to-Player value of 96.98%.

Given that most slots’ standard RTP is 95%, Mystery Joker’s RTP rate is above-average.

This payout percentage means that slots players are most likely to win a total return worth 96.98 coins if they were to bet one coin per spin and play for a hundred spins in Mystery Joker slots.

Slot Volatility

Mystery Joker slot has a medium variance.

This means that the slots players chances of winning are at a moderate level.

To be more specific, the payouts in this slot are neither frequent nor seldom. Moreover, the value of winnings is neither too high nor too low.


To conclude this Mystery Joker Slots Review for May 2022, this classic video slot game by Play’n Go is highly recommended for slots players who prefer keeping their bets and spins at a safe zone given its level of volatility.

As for the graphics, Mystery Joker is still pleasing to the eyes because of its smooth animations and transitions from the base level to the bonus game.

Play Mystery Joker at any of our recommended slot sites now and receive ten free spins upon landing three Scatter symbols.

Spice it up with the Mystery Win bonus and watch your winnings go higher and higher.

Try Mystery Joker slots for free or for real money and prove to yourself that this game is worth both your time and bucks!

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Skilled in copywriting with a BA (Hons) Degree focused in the English Language from Edge Hill University. I love to write comparison articles and research various topics online including the iGaming industry. The real money gaming websites online are fascinating to study with big win payouts in the UK happening daily.