Free Frog Grog slot
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Frog Grog slot presents 5 reels over 23 paylines and takes place in a scientists lab. The video slot involves mixing frogs with all sorts of potions in order to create some winning combinations. In true Thunderkick style, the game has an unusual look and is set in a glass mixing vase, with a number of potions on the wall of the lab in symbol positions. The potion symbols are blue, green, purple and red. There is also a plant in jar, a moth in a jar and a butterfly in a cage. The games Wild symbol is a frog that changes colour as you progress through the game.
Dropping symbols feature
Should you hit a winning combination, then those symbols involved are removed from the reels. New symbols will then appear giving you the chance to win again and it keeps repeating until the wins run out. To make this even more rewarding, you will get an increasing multiplier on each win up to 7x.
Should the Wild frog change colour and 'belch' over the reels it can create many more winning opportunities as symbols are changed to winning ones.
Mystery Game feature
This is triggered randomly and only occurs on a non winning spin – all symbols other than the frog Wild, flower and moth will be removed from the reels and can increase your chances of winning. The Multiplier feature applies again here, so you can get a further 7x on your wins.
Frog Grog is an interesting game with some unusual features and an original theme. There is a chance to win 1,616x your stake on a single spin, assuming you have hit the 7x multiplier, however this is incredibly hard to do. Despite lacking a free spins feature, Frog Grog does offer up something entertaining and certainly an experience that you will not find in most other slots. If you like this game then you may also enjoy Mad Scientist or the follow up Madder Scientist, which both have a similar theme.