Games are fun they said

It would seem that way, given the evidence.

"Would you like to play a game?", Jigsaw says.
I say, "Oh boy, is it bingo? Checkers? Better not be Monopoly".

"Game" is something you hunt

Murder time of thrones

Funny Games
http://m.imdb.com/title/tt0808279/

Or play for that matter. Childs play is exhibit A