Gronk’s Gems


The Gronk’s Gems slot machine by Hacksaw Gaming has a RTP of up to 96.24 %, a 6 x 6 reel layout, cluster pays ways to win & medium variance level.


A mythical magical cave full of precious gemstones and minerals provides the background graphics for Gronk’s Gems. A transparent 6 x 6-reel grid sits at the centre of the screen for a nice visual effect.




36+ 31-35 26-30 21-25 17-20 14-16 11-13 9-10 7-8 6 5
Diamond 1500 500 400 300 200 100 50 30 15 5 1.50
Full orange gem 500 300 200 150 100 50 30 20 10 3 1
Full purple gem 400 200 150 100 70 40 20 10 5 2 0.70
Full blue gem 300 150 100 75 50 25 15 7.50 3.50 1.50 0.50
Split orange gem and split purple gem – Only alike symbols 200 100 75 50 30 15 7.50 5 2.50 1 0.30
Split blue gem and split green gem – Only alike symbols 150 75 50 35 20 10 5 3 1.50 0.50 0.20


Featured reel symbols in Gronk’s Gems include the split green gem, split blue gem, split purple gem, split orange gem, full blue gem, full purple gem, full orange gem and a diamond.


  • Wild: The wild symbol comes in the form of the X-gem icon.  
  • Scatter: There are several scatters available which include the epic gem, the gem bag and Gronk’s head.
  • Charged Symbols & Epic Gem: Upon landing a winning combination, the winning symbols glow and become fully charged. The fully charged symbols are shown on the charge bar. All charged symbols remain as is till the end of the current spin including possible cascades. The epic gem scatter may land during the cascades. When this happens, all charged symbols on the reels transform into the highest-paying charged symbol. For as long as there is at least one charged symbol, a winning cluster is then formed as the epic gem counts as four symbols. Once the epic gem absorbs all charged symbols, it explodes and initiates cascades.
  • Gronk’s Treasure: 10 free spins come the player’s way when the Gronk’s Treasure activates. The feature activates upon landing at least three Gronk’s head scatters simultaneously. Epic gem symbols land more frequently during this feature in comparison to the base game.
  • Gem Hoarder: Three or more gem bag scatters landing simultaneously help trigger the gem hoarder. Players receive five refilling free spins upon activation of the feature. Once three or more scatters land at once during the feature, the free spins are refilled hence five more are awarded. During cascades, each time winning symbols disappear, the concurrently running progressive global multiplier increases. The value increase is proportional to the number of winning symbols which disappear from the reels. The progressive global multiplier is applied when a winning cluster connects to the special x-gem symbol.

  • Bonus Buy: Any of Gronk’s Gems bonus feature may be purchased hence gain direct entry when players click the Bonus buy button and proceed to pay the purchase price.



A troll acts as the protagonist in this cluster pays ways to win game. Fear not however as the troll isn’t dangerous or vicious. Rather, it’s friendly, and cute and can even help you dig up some precious minerals.

Enter a cave where some friendly trolls reside on the game reels. At the same time, you also get an opportunity to score some decent pays. Not the best release from Hacksaw Gaming but also not the worst too.

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