Triggered by 6 Bonus symbols of any type, the Hold the Jackpot bonus round takes players deep into the mines on a rollercoaster ride to riches, allowing them to collect Bonus symbols and big wins along the way. Cash symbols offer prizes up to 15x player’s bet, while the value of new Increasing Value Cash symbols increases to infinity with every Re-Spin. There are also Special Bonus symbols that can only appear on the top row of the reels. Jackpot symbols award corresponding Mini, Minor, and Major Jackpots. Mystery symbols can transform into any other Bonus symbol, while Dwarfs Mystery symbols guarantee a Jackpot win. Finally, innovative Collector symbols accumulate all values from Cash and Increasing Value Cash symbols drawn on the reels below up to 9 times. Filling that golden minecart to the brim with golden diamonds brings huge prizes that can increase to infinity. If players manage to collect 20 Bonus symbols, their hard work is rewarded with the Grand Jackpot of 2,500x their bet!