Boulder Dash Rocks review at Nintendo World Report.

"In Boulder Dash Rocks, as in any Boulder Dash game, you instantly learn to be wary of the bushes you wander through – especially if they support a boulder above them. These boulders often come tumbling down upon your head, easily becoming the most common cause of death. Alternatively, monsters eat you, a set of spikes crushes you, or you simply get blown up by dynamite you ignited yourself."

Full Source: Nintendo World Report