Very fun. It's easy to figure out who the boss/assassin is if you pay attention to what everyone says. Sometimes it is a little too easy (I've had a few games where I didn't even have to do anything and the group voted out the boss/assassin the first round.) but overall it is a fun time waster.
It's a fun game, but it's incredibly annoying how a disease that has absolutely no symptoms would caused every single country to close it's boarders and everything.