Le Digger sits at medium volatility, rated 3/5, which is unusually approachable for a modern Hacksaw title. The 36.40% hit frequency means roughly one spin in three pays something, so the base game keeps ticking over and dead stretches stay short.
Here's the honest catch: most of those hits are tiny cluster wins that barely dent your stake, while the real money hides in the Golden Reveals coins and the three free-spins tiers. You'll feel busy, but you won't feel rich until Layer 3 opens up. That trade - frequent small wins now, the big money gated behind the dig mechanic - is the whole personality of the game.