Mystery Box

Review, Demo Play, Payout, Free Spins & Bonuses

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Mystery Box is an online video slot by Oryx Gaming. Developed in partnership with OG’s sidekick Golden Hero, this slot will take you on an underground journey to a mysterious alchemist’s laboratory with all the associated mystery style symbols, and has a 4 by 4 layout and one that isn’t widely used in the gaming industry. This, alongside high paying magic potion symbols, provides intrigue and interest right from the get-go!


Here’s how the game works... If you land on 3 or more of the same symbols then you are on your way to a win. Add into the mix the use of wilds - which can be used to replace any missing symbols - and you will be able to form a winning combination.
One of the most appealing things about the slot, and something that increases its game play excitement, is the fact that, dependent on the size of the bet, players are in with a chance to win one of four jackpot prizes. There really is something for everyone!

Another fab feature of Mystery Box is the Hyper Bonus; trigger that one and you are fast forwarded to the Bonus rounds where big wins are up for grabs.

Enjoy this, and other free Golden Hero slots here!

Free spins

Mystery Box has a respins round and this means that all the symbols on the grid spin again, continuing for as long as the wins keep coming in. Every win activates the respin feature. For best results - and if lady luck is on a player’s side - filling all the 16 positions in the 4x4 grid will result in excellent winning potential.

Mystery Box

RTP & Volatility

The RTP - or Return to Player - of the game is an industry respected 96.43 per cent.

Paytable Wins

The game of Mystery Box is based on a 4 reel 4 row layout and, as such, there are no set paylines for players to wager on. In order to achieve a payout, between 3 and 16 identical symbols must appear all at the same time. And, it goes without saying, that the higher number of identical symbols, the bigger the prize and therefore, the happier the player!

So here’s how the paytable wins work; put simply, a player must land on x3 matching symbols in order to be in for a win. The top paying symbols are typical mystery themed icons, a crystal and a goblet. These symbols deliver at a rate from 0.75, for x3 of a kind, at x1,000 the original stake. Add to this, players who hit between 3 and 16 spell book or parchment scroll icons will be awarded between x0.5 and x850 the given wager. And, if a player is lucky enough to land on between 3 and 16 of the following - magic balls, hour glasses, keys and/or candles - then they will be in the running to receive prizes from x0.4 up to a whopping x750 the original bet. Lastly, the compass, potion vial and ink bottle symbols - more typical mystery icons - award between x0.25 and x700 the original stake, again when they appear between 3 and 16 times on the grid.

As a nod to the game’s title, the special symbol is an actual mystery box and this icon issues wins regardless of where it appears on the game’s grid. It takes x5 of these scatters to trigger the bonus feature and before this feature begins, players are offered a choice of x4 chests, each with different multiplier amounts attached to them. Whichever one is chosen, the amount will be applied across all the winnings during the bonus round. In essence, the multipliers will range between x10 up to an impressive x1,000.

Theme, Graphics & Soundtrack

Mystery Box is, quite simply, beautiful to behold! It has a real feel of quality about it. The soundtrack has a magical and soothing feel to it and the graphics are aesthetically pleasing on the eye.

How to play Mystery Box

1.    Set your bet amount; this can be from 0.20 up to 200. Then simply click Spin and the game begins.

2.    If you have a need for speed, turn on the autoplay button which will spin the reels for you up to 250 times.

3.    To trigger a win, you will need to land on x3 matching symbols.

4.    The respins round keeps spinning as long as there are wins.

Overall Review

The game Mystery Box has fabulous winning potential with successful gamers bagging 1,454,150 coins. Gameplay is simple with limited features and therefore limited distractions. It’s available on all platforms. The multipliers in the bonus round and the respins in the base game make it worthwhile. Because of its no frills approach and easy game play it will suit those players who are either new to gaming or don’t have experience of playing a more strategic game. Our overall view? Give it a go! And if you like Mystery Box, try the bonus game Millionaire Mystery Box.

Disclaimer: Mystery Box trademark / license is owned by Golden Hero. This site is not endorsed by Golden Hero.

* This button takes you to an external third-party partner real money casino website. Although we try and match games with Casinos that have them, we advise that you double-check the slot content on the casino website before making a deposit or signing up.

Slot Data
Slot Name: Mystery Box
Software: Golden Hero
RTP: 96.43%
Paylines: 0
Reels: 4
Min Bet (all lines covered): £0.20 (GBP)
Max Bet: £500 (GBP)
Top Win: 3635375
Features: Bonus Game, 4 Reels, Mystery Symbols
UK Available in GB? Yes. Golden Hero have a UKGC license and are allowed to offer their games at UK licensed casinos.


So who is Oryx Gaming?

Oryx Gaming - the brains behind Mystery Box - provides online casino games as well as poker, sports betting, Live Dealer games and lottery.

When was Mystery Box released?

The game was launched to the market in September 2019.

Does the game have a traditional bonus round?

Not as such but what it does have is a frequently occurring respins feature. This not only adds a bit of excitement to otherwise fairly average gameplay, it also offers the chance for players to be able to win sizeable prizes.

How many lines does the games have?

The game has 4 lines; it also has 4 reels.

What is the game’s variance described as?

Mystery Box is a medium variance game.

What technology does the game support?

The game utilises JS, HTML5 technology.

On what devices can you play Mystery Box?

As to be expected, players can enjoy Mystery Box on desktop, tablet and mobile.

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