Head deep underground in search of precious prizes with the mid-century classic Mega Mine online slot machine from Relax Gaming. Utilizing the old-fashioned ways, collect the goods with wagons, trucks, tracks, and even the power of a water wheel! Yes, it may be dark and dirty down there, but the prizes in this mining-themed slot game make it worthwhile, how does 50,000X your total bet amount sound? To maximize your total winnings, do your best to dig out the Mega Free Spins Feature and the mighty Mystery Stacks Feature. It's fair to say that both are real gems!