A game is where a host has set up a game universe and has anything from 1 (fairly pointless) to 11 (very complicated but damn good fun) races playing.

an amusement or pastime; "they played word games"; "he thought of his painting as a game that filled his empty time"; "his life was all fun and games"

frivolous or trifling behavior; "for actors, memorizing lines is no game"; "for him, life is all fun and games"

a lot like Lost Vikings, except that it's just not a whole lot of fun to play

an activity which you can do for fun

an appropriate format for this situation because it is a fun and visual way to learn comparative values of different forms of numbers

an object generally used to have fun

a set of limitations that you can have fun in

a solid and fun "rethinking" of the Sims franchise designed pretty darn well for the handheld market

a way of making something hard for the fun of it

An exercise in which competition or cooperation (or both) are used to illustrate or practice principles. Usually intended to be fun, games incorporate rules, decisions, and time pressure. Games may have hidden agendas or purposes which are revealed after the game is complete.