Solitaire
Solitare was a type of Earth playing card games, which were played by one person. 

In 2266, Ben Childress observed Eve McHuron's game of double-jack,   and suggested that she place a red eight on a black nine. However, that was not the case in double-jack. ()

Later that year, Yeoman Janice Rand was playing a solitaire game in Recreation Room 6 aboard the  when Lieutenant Uhura began to sing "Oh, On the Starship Enterprise" while Spock accompanied her singing with his Vulcan lute. ()

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