Don’t you hate Mondays?

In a Groundhog day style loop, two workmates must live out the same mundane office day over and over again. Their mettle and their friendship will be tested as they both start to learn about themselves and each other over the course of the multiple loops.

who's a zombie? - by jack macmillan

Three post-apocalypse survivors have just escaped a zombie horde.
The stage is a "safehouse", they've locked the door behind them. They are safe from the zombies, but not from each other. Who's trustworthy? Who's immune? Who's a zombie?