The wild symbol is a multi-coloured rock, it will substitute for all of the other symbols, except for the scatter and free games symbols, to help and form winning combinations.
The scatter symbol is a diamond and the free games symbol features three sticks of dynamite.
In the base game, every time that you land a winning combination on the reels, the symbols in the combination will explode, leaving empty spaces on the reels and allowing more symbols to fall from above. These falling symbols can form another winning combination and the process will then repeat itself. Thanks to this, you can form multiple wins from a single spin. Best of all, with each consecutive win the payout multiplier will increase. It starts at 1x then grows to 2x, 3x, 4x and then finally 5x.
When three or more of the dynamite scatter symbols land anywhere on the reels the Blasting Free Games are triggered. Each scatter symbol can turn into up to three Blasting Free Games bombs and each bomb awards 2 free spins. Thanks to this, you can win anything between 6 and 30 free spins.
Before the free spins begin, you need to choose where to place the bombs. You place them below a reel by dragging them from the reel area. You can place up to three Blasting Free Games bombs under each reel. You also need to keep an eye out for the Mystery symbols on the reels. When a Mystery symbol appears on a reel with a Blasting Free Games bomb underneath it, the bomb will detonate and explode the Mystery symbol to award a cash bonus. Furthermore, the number of Blasting Free Games bombs under a reel acts as a win multiplier for the Mystery symbol winnings. For example, if there are three bombs under a reel then your cash bonus is subject to a 3x multiplier.
Mystery symbols that land on reels 1, 2 and 3 payout slightly less than those on reels 4 or 5 as it is easier to land wins on the first 3 reels. The bombs placed under the reels are active for all of the spins that they triggered, meaning that you can play safer by placing the bombs under the first three reels or aim for bigger wins by placing the bombs under reels four or five.
Gem Burst offers a top payout of 500x for landing five of the red rocks along a payline. The purple rock can payout up to 200x, the gold rock up to 150x and the silver rock up to 100x. A can payout up to 80x, K up to 60x, Q up to 40x and J can payout up to 30x.