Dr. Who

Daleks, Cybermen, Mutants, Space Pirates, Robots, Chronon, and the Master have all teamed up to prevent The Doctor from acquiring the 7 parts to the Key of Time! You are The Doctor, and you must operate the controls of the TARDIS.

An unlicensed game based on the BBC Doctor Who series. The player moves the TARDIS through space to land on alien planets. A space map helps guide the player to the planets. Arriving at a planet, the player must avoid incoming enemy ships by moving to the left or right. Each hit, the player takes damage and loses fuel. After surviving a section, 1 key is earned. It was written in BASIC.

There are 9 levels of difficulty.