K-9 also makes appearances later in the game as does Davros, creator of the Daleks in the TV series, as the final end of level boss.

The Spectrum version had the Doctor on foot running around collecting hostages and avoiding globes.

Before its release Spectrum owners who wrote to Alternative Software pressing for a release received a letter back stating that the game was in production, and were sent a sticker depicting the game's box front emblazoned with the legend "I've Been Exterminated!

[8] The game was later re-released, first in a three pack compilation set called the Sci-Fi Collection with two other titles (Galactic Warrior Rats, Suburban Commando) for the PC.

This was followed in 1994/95 by another re-release, which was the same as the original except for a purple and black border added to the front and back covers.