Computer game
For games based on Star Trek, see computer games.
A computer game was a video game played on personal computers by using a keyboard or mouse. 

Matrix of Doom was a late-20th century computer game. ()

A simulation of chess used in Spock's memory test featured the game on a spherical grid. ()

In 2382, Gary was playing a computer game version of three-dimensional chess. Once he noticed the  was being stolen however, he quickly sounded the red alert. ()

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Recreation
Computer technology