Oil's Well

Oil's Well is a computer game published by Sierra On-Line in 1983. The game was written for the Atari 8-bit family by Thomas J. Mitchell. Oil's Well is similar to the 1982 arcade game Anteater, re-themed to be about drilling for oil instead of a hungry insectivore. Ports were released in 1983 for the Apple II and Commodore 64, in 1984 for ColecoVision and as a PC booter, then in 1985 for MSX and the Sharp X1. A version with improved visuals and without Mitchell's involvement was released for MS-DOS in 1990.