polyssimo challenge tactical game player contain board x square piece pentominoe possible combination square hexominoe combination squaresto start player place piece middle table turn choose piece place piece piece claim player mdash start piece reverse playing order mdash turn place piece game board get rid large piece mdash specifically few square remain mdash winspolyssimo challenge tactical emphasis geometrical reasoning polyssimo puzzle game give handicap strong player mention rule allow interesting game player different level eg beginner play experienced onemdashdescription designer

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