Answer what you know. Only the number of players is required.
We check that the game supports exactly that number. Supporting it doesn't mean it's the ideal count.
Between 1 and 30 people.
Complexity measures how many rules and decisions a game has, not how long it lasts. We use the weight voted by the players' community (1 to 5).
Pick several or none (any). Types overlap and are based on the categories and mechanics published in the game catalog.