Tic Tac Toe, reimagined on an EXTREME scale, larger than life, fast and fierce.
Best. Game. Ever. Hands down. Cheap. Easy. Fun. Stupendous.
Is it fun? Is it inexpensive? Is it easy? Yes, yes, and yes. The perfect large-group game.
Hall Ball - 3 variations of an easy large group game (that doesn't really require a hall, but who wants to play a game just called "Ball"?