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Frog Grog by Thunderkick (Slots)

Characteristics of the game

Reels 5
Lines 25
Progressive Jackpot No
Max Bet 100
Max Payout x250
Scatter Symbol No
Wild Symbol Yes
Bonus Game Есть
Double (Gamble) Game No
Free Spins No
Auto Play Yes
Theoretical RTP 96.1%
Can play for free without registration No

Have you ever dreamed to learn magic, cook a magic potion or create a magic artifact? Such an opportunity it provided by Thunderkick company on their new online slot machine «Frog Grog». The scene takes place in the house of a wizard or a witch or an alchemist. Whoever the character is, he is does his best experimenting with different ingredients, trying to create something supernatural. Join him, but first you better read a review of the novelty, prepare by Casinoz.

General description

«Frog Grog» is a five-reeled online video slot with twenty three pay lines, which are always active on default, and fifteen symbols at the main screen. An amount of the bet per round varies in range from ten cents to one hundred euro.
The game offers ordinary symbols, elements with advanced functions, an interesting system of formed paid combinations with extra multipliers, thematic bonuses and other options.
The basic symbols are paid when they make solid chains of three, four or five same elements at the active lines. All exceptions are discussed below. The combinations must begin from the first left reel necessarily. As usually, only the most valuable combination at each of the lines is taken in account.
An amount of the payoff is calculated by two values: the bet per line and the index of formed combination (from x5 to x250). In case of multiply combinations formed at different lines by results of a single spin, all credits are summarized.
As soon as payoffs are made, symbols included into the combinations disappear. However icons situated above hold their positions. Empty cells are filled with new elements. If new winning combination is formed again, payoff is calculated according to the extra multiplier (x2). If the session goes on, the extra multiplier rises up to x3, x5 and maximal x7.
As soon as the round is over, all wins are automatically transferred to the customer’s account. A game of chance is not provided.


Except traditional reels, the screen of «Frog Grog» slot machine looks like a shelving with fifteen racks. Different bottles, bulbs and other containers with all possible herbs, liquids, insects and other ingredients of magic potions appear there.
Same symbols may drop in stacks at the reels and fill all three vertical cells.
Moreover, «Frog Grog» has a special symbol:
  • Wild (a frog) was designed to replace missed elements in combinations when necessary. It can replace any other icons. Moreover, when payoffs are made, Wild destroys all elements situated at the same reel or the same line. These cells are to be filled with new symbols.
There are no Scatters, neither traditional free spins in this model.

Bonus games

This slot machine offers a single prize game to the customers:
  • Mystery Game may begin during any regular spin without any special conditions. All symbols, except moths, flowers and frogs, disappear from the screen. Removed symbols are paid as if they made combinations (up to five symbols in each).
Detailed description of the bonus round is available on the pay table.


A progressive jackpot is not drawn by Thunderkick on «Frog Grog» slot machine.


Now about the elements of the control panel briefly. There are few of them here:
  • Cash – a state of the customer’s account;
  • Total Win – an amount of the total win in a round;
  • Bet – an amount of the total bet.
Buttons which run a new spin and stop the reels in advance, switch on the automatic mode and call betting settings are situated at the right. They are untitled, but you can easily understand their functions. 
A button of the menu is situated at the left. From there you can go to the rules and the pay table with short terms. The pay table provides potential amounts of payoffs according to the current bet, but not the multipliers.
The user’s settings are quite poor and offer to switch off the sound and choose a comfortable size of the screen. The model was designed for browser, so there is no need to download «Frog Grog». It is possible to play from smartphones and tablets.


The pleasant thing is that Thunderkick company keeps releasing unusual models with original features of the gameplay and uncommon designers solutions. We like this novelty for the cool system of forming paid combinations, extra multipliers and bonuses.
Moreover, the game has quite a high payback. To add here, dispersion of this slot is under average.

Where to play

This slot machine is already presented in different online casinos powered by Thunderkick software. You can test «Frog Grog» free or play for real money. Our reviews and opinions of the customers are supposed to help you choosing the most suitable portal.
Casinoz offers a video-review of this slot machine and a demo version for free testing. 
Please share your impressions of this slot machine in comments and don't forget to rate it by ten-point scale.
Rating: 9.00 / 10
( votes: 7 )
Date: 2016-10-04

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