It can be hard and fustrating at times. It's a zombie game that pulls no punches.

Shoot a gun? Every zombie within half a mile heard that and are now converging on your location.

Hiding in a building? Zombies will break down doors, break in through windows, climb over and under obsticals, etc.

Got a scratch? Theres a chance its the zombie infection. Sympoms set in and you become a zombie

Even on the easiest settings possible, it's still a challenge to go at it alone.