It's all fun and games 'til someone throws the pug in the tub.
It's all fun and games until...
It was all fun and games until he started murdering turtles.
Really, at this point just go the extra inch and add the 's.
It's all fun and games until someone has a gibbon latched onto their face.
Behold, the master of the old school Nokia cell phone games. May his glory endure forever, or until he finally gets a damn smartphone.