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A kind of tabletop game where the rules fit on business card.

Utilizing content created by algorithms rather than human made content. Often utilizes a "seed," a relatively small string that is used to control the randomization algorithm that generates the entire world.

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