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Science-fiction. Commonly including things like aliens, advanced technology, and settings of outer space or distant planets. 

Games that are normally played on a table or other flat surface, such as board games, card games, dice games, miniature wargames, or tile-based games

Utilized combat systems where characters or teams take turns making their next move. Turns often have no time limit, allowing for a greater opportunity to think about strategy. The opposite of real-time combat.