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Released: February 2018
The Gem Rocks slots game is produced by Yggdrasil Gaming. Yggdrasil Gaming take their name from Norse mythology where Yggdrasil is a magical tree where dragons lived and Odin sacrificed himself. Yggdrasil Gaming are one of the smaller slot development companies on the market at the moment – primarily focusing on lottery and scratch card game - and do not offer a full casino platform. They lease their games out to casinos using other platforms as a bolt on package. Yggdrasil Gaming publish the Return to Player/House Edge of their slots games within the game help file. The House Edge of Gem Rocks is 3.80%.
These rock monsters are the gatekeepers to untold wealth….
The Gem Rocks game has 6 reels and does not use standard paylines. Instead any 3 or more matching symbols in any position on adjacent reels starting from the left side of the reels constitutes a win. This is equivalent to 4096 standard payline.
There is no Wild symbol while playing Gem Rocks.
There is only one bonus feature when playing Gem Rocks and it is activated each time you receive a winning combination. When you receive a winning combination after you’ve been paid the symbols that contribute to the win will explode, allowing the symbols above them to drop down and new symbols to fall into the top of the reels to fill any gaps. This process repeats until no new winning combinations are formed. If you receive 2 winning combinations from a single spin a Monster Rock will appear and add a 2x2 block of matching symbols to a random position on the reels. If you receive 5 winning combinations from a single spin the Monster Rock will add a 3x3 block of matching symbols to a random position on the reels and if you receive 9 winning combinations in a row the Monster Rock will add a 4x4 block of matching symbols to a random position on the reels.
Gem Rocks is a visually attractive game. The bonus feature isn’t the most we’ve seen - the avalanche features been used a lot in the last ten years and the jumbo symbols have been a relatively frequent appearance in the last few – but they’re still relatively good fun. The House Edge is creeping towards the higher end of the range used by the majority of slots releases today but doesn’t cross into the unattractive zone. Overall this isn’t the best game we’ve seen, but isn’t a bad choice overall.