Gem symbols can land in view with random cash values or fixed pots displayed on them. - Landing Miner symbols on reels 1 or 5 will collect all Gem values in view. Landing 2 Miners collects and awards the Coin values twice. - Land 3, 4 or 5 Free Spin symbols to trigger 8, 9 or 10 Free Spins. - During Free Spins, land Miner symbols to progressively turn low/mid paying symbols into additional Coin symbols for the duration of the bonus. - Miner symbols are more frequent in Free Spins than in the base game. - All Gem symbols are collected into a mine cart with a chance to trigger the Mine Cart Bonus. - Fixed pots can be awarded via Gems on the reels or also during the miner bonus by landing 2, 3, 4 or 5 matching Pot Gems throughout the bonus.