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Hidden slot Review

Professor Taylor and his nephew Benjamin are going to take an incredible trip to Egypt. Delving into ancient manuscripts, the young man has found new information about pyramids, that sheds the light on many historical mysteries. The companions are leaving for Cairo to find the key to pharaohs secrets right there.

This is the plot of «Hidden» video slot, developed by Elk Studios. As usually, this famous developer goes beyond the interesting topic and surprises us by original bonuses and uncommon features of the gameplay. All features of new model are carefully described in the following article by Casinoz.club.

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Play Hidden in Canadian Casino for Real Money

Many popular online casinos work with Elk software. You can see logos of such websites with links to the reviews below.
It is possible to test «Hidden» slot machine free at Casinoz.club. Please share your impressions of this game in comments.
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How to Play Hidden slot machine

«Hidden» online slot machine has five reels, twenty cell for symbols at the main screen and 178 active lines, to form paid combinations at. Activate lines are located in special way, that’s why all symbols included into a combination must touch each other horizontally or vertically. All possible ways are available.
The slot accepts bets per round. They must be one hundred coins fold. Moreover, an amount of the bet varies in range from twenty cents to one hundred euro per spin (twelve levels available).
Selection of available gaming options includes ordinary and special symbols, respins, free spins, thematic bonuses and special prizes.
Winning combinations are formed of three, four, or five same elements. They must begin from the first left reel all the time. Numerous combinations are often formed in result of a single spin.
Payoffs are calculated by special indexes from x2 to x1000. They are multiplied by the coin value. In case of multiply wins, all payoffs are summed up.
A gambling feature is not provided by the rules of «Hidden» video slot.

Hidden Symbols, Wild, Scatter

The gaming symbols, imaged at the screen of this slot, are playing cards imaged at the pyramid walls, a sphinx, a camel, the professor and his nephew. All symbols may appear as vertical stacks of same icons at the reels.
There are also some special symbols here:
  1. Scatter (a card and a loupe) triggers Treasure Room Free Spins bonus. This feature begins when at least three Scatters drop out anywhere at the reels.
  2. Wild is imaged at the second, third and fourth reels. It doesn't form combinations on its own, but replaces ordinary symbols when necessary and takes part in Flashback Respins.
The pay table provides the multipliers.

Hidden Bonus games

This paragraph is about prize features of «Hidden» video slot:
  • Flashback Respins – free respins might begin after any regular spin. One, two or three central reels are filled by Wilds which remain there during three spins. An amount of the bet remains the same till the end of this feature.
  • Treasure Room Free Spins – the player has an opportunity to spin five free rounds on the casino’s expense. Before they begin, one of the symbols is picked randomly. It expands and fills four cells (2x2) during free spins. Symbols of winning combinations explode to let the room for new images. This option doesn't repeat. Each Scatter begins another free spin.
You can find details of bonus spins on the Help.


Elk Studios doesn't draw a progressive jackpot on «Hidden» video slot.

Hidden RTP, Volatility & Hit Frequency

Hidden Interface

As usually, developers of Elk decided not to title the buttons imaged in front of the gaming field at right and left of the reels.
The only inscription at the main screen is a ticker. Other elements are user-friendly without titles.
The button which opens betting panel is situated at the left bottom of the screen. The menu with pay table, description of bonus options, terms and conditions, scheme of the lines and strategies can be found above.
Round arrows are imaged at the right of the reels. They play new spins manually or in automatic mode.
Integrated betting systems let the players choosing an algorithm to change the bet. If you activate one of four options, you can see how the game corrects the bet depending on situation.
It is a widescreen model with 1440x900 resolution and 16:10 for desktop version. There is also a special version for mobile devices, designed for comfortable playing on smartphones and tablets. You don't need to download «Hidden» video slot, because this game is available in a browser.

Mobile Compatibility


Numerous active lines for paid combinations, excellent free spins with special prizes in two varieties, frequent Wilds, interesting characters, stunning design, impressive animation, convenient interface with numerous settings and features – these are the major advantages of discussed game.
In addition, the model has average level of payback. Dispersion is average as well.
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Main info
Type of game Video slots
Manufacturer Elk Studios
Max bet 100
RTP 96.3%
Max multiplication 1000 : 1
Issue date 14.09.2017
Progressive jackpot No
Reels number 5
Lines number 178
Wilds Yes
Scatter Yes
Gamble Feature No
3D slot Yes
Bonus games Yes