In some games, the rules and aims are totally objective. A computer could (and sometimes does) say how well each player did and whether they cheated. Then there are games where things are more vague. Most forum games and TabletopRPGs fall here. Maybe some things are spelled out, but there can easily be disagreement over whether a character can do something, whether a post was funny enough to be worth posting or so on. These rules might be adjudicated on by a Game Master or by consensus, or it may be up to each player to interpret them for themselves. Sometimes the subjective rules are well defined, but often they include unstated things like "try to make it interesting" (arguably more objectives than rules). And then there are games where all the rules are subjective. Generally games highe