Later versions that shipped with Vista did not have the boot option but retained the multimedia features.

A French version also exists, but retains the English-language chorus.

This version retained the original features of the map, but the additional graphics were changed.

Such analysis gives an insight into how many rounds are needed for safety, and how much of a "security margin" the full version retains.

This version retained the first-person narration by the character of Hastings.

Both versions, however, retain the more violent aspects of the movie.

Another complete version dubbed in Spain also exists, and retains the original character names.

Despite the worldwide reach of www.keentv.com, the online version of the station retains its local flavor.

This version retained most of the original arcade graphics and sound quality.

This version, which was screened here after a long gap, retained only parts of the classic and had very poor sound quality.