Short description of Boulder Dash. Episode I: Dig The Past 1.3.5: Boulder Dash. Episode I: Dig The Past. The same time proven game concept, but the appearance is brand new. Taken to the next level, this reworked version of Boulder Dash was created with true love for the original game. The game features smooth controls thanks to a reworked game engine, 96 redesigned caves, professional music and animation, realistic SFX and more. Download and play a free trial version.