Boulder Dash

Boulder Dash for Commodore 64 is the 1984 cave-exploration action-puzzle game built around Rockford, a small miner racing through dangerous underground chambers. Created by Peter Liepa and Chris Gray and published by First Star Software, the original home-computer release reached the C64 in the same year; this catalogue entry represents the State Soft release. Its simple-looking cave screens conceal tightly designed problems in which every step can alter the terrain and turn a safe route into a trap.

Each cave gives Rockford a diamond quota and a countdown. Guided with a joystick, he moves through dirt, clears a path, gathers gems, and must reach the exit after it opens. The immediate goal is easy to understand, but the route to it is rarely straightforward: a player must decide which earth to remove, which diamonds to leave for later, and when a short detour is safer than the direct path. The game supports one or two players, with the C64 version preserving the compact, arcade-like structure of the early computer game.

Gravity is the heart of Boulder Dash. Boulders and loose diamonds can drop when their support is taken away, so digging underneath one may create a useful passage or instantly crush Rockford. Boulders can also be pushed sideways when there is room, making them tools as well as hazards. This creates the series’ signature chain reactions: moving one rock can block a corridor, open another, destroy a hostile creature, or set off a fall that changes the entire plan. Timing and a clear reading of the cave are as important as quick movement.

The underground levels introduce more than falling rocks. Rockford must avoid creatures such as fireflies and butterflies while navigating walls, earth, diamonds, and other cave elements. A falling boulder can be used against enemies, and object interactions can produce valuable diamonds, rewarding careful experimentation. Because the timer never stops, Boulder Dash for Commodore 64 balances deliberate puzzle solving with the pressure to commit. A mistake can cost a life, while a successful solution often depends on preparing the cave several moves ahead.

The C64 version was converted by Jeff Schneider from the original Atari 8-bit design, with the early 1984 computer releases remaining close in their core play while differing in presentation. Its scrolling, colorful cave world, joystick control, and crisp object-based puzzles made it a natural fit for Commodore’s home computer. The State Soft edition was one of the contemporary releases that brought Boulder Dash to the British C64 market, while the game itself retained the First Star-developed design associated with Rockford’s debut.

Boulder Dash became the foundation of a long-running series that included Boulder Dash II: Rockford's Revenge and the Boulder Dash Construction Kit on Commodore 64. Its mix of maze navigation, falling-object physics, enemy manipulation, and diamond collection also helped define the rocks-and-diamonds style of puzzle game. For C64 players, the original remains a focused challenge: learn a cave’s layout, manage the clock, use its physics intelligently, and guide Rockford to the exit with enough gems to escape.