is a computer game distributed by Sierra On-Line
in 1983, and again in 1990. The game was programmed by Thomas J. Mitchell
The player attempts to manage an oil drilling operation and collect oil, while evading subterranean creatures. The player can advance through eight different levels, using four directional control buttons to move the drill head, and pressing a button to quickly retract it.
The game was released for multiple platforms including the Atari 8-bit family, Commodore 64, MSX, ColecoVision, and IBM compatibles.