California gold

The main features of the game include free spins and a Mad Miner bonus game. Scatters trigger a round of 10 free spins (that can be re-triggered) with a multiplier of 3x that’s applied to all payouts. In addition, the game features wild substitutions that double wins and scatter pays of up to 100x your total bet.
The top prize is 5000x your line bet. That increases to 10,000x when completed by a Mad Miner wild and 15,000x when tripled in free spins. For a max line bet of $5, a jackpot win during free spins can be as much as $75,000.
Symbols
The California Gold online slots feature all the obvious symbols of old fashioned mining: Gold Nugget (scatter), Mad Miner (wild), Miner, Mine, Donkey, Mine Cart, Pan, Dynamite, Map, Lantern, Barrel and Pickaxe. The California Gold slot machine actually bypasses the ‘been there, done that’ 9-A symbols altogether!
The Gold Nugget scatter awards a multiplier to your total bet of 2x, 5x, 15x or 100x when 2-5 appear anywhere on the reels. For a max bet of $100, five Gold Nuggets will pay $10,000. This symbol also awards free spins. The Mad Miner symbol is wild, restricted to reels 2-4, and doubles any wins it completes. It also triggers the bonus game.
Bonus Games
Three wilds trigger the Mad Miner bonus game where players pick one of four mines. Then, the miner travels down the mine and collects up to five gold nuggets that award prizes. This fun bonus adds to the game and gives players a lot to look forward to as they turn the reels. Large prize wins are common from the Mad Miner feature, and players will be eager to activate it as much as possible.