You're a part-time delivery man, delivering chickens to survivors at a Zombie Apocalypse. 

You don't have a way to attack zombies, but you DO have a chicken with you. throw it to the zombies and it will lure them to other place, so you could clear your delivery more safely. The downside is, you won't be able to earn much money if you don't have much chickens with you.

WASD / Arrow to move

Space to Jump; it will let you pass through obstacles and zombies(smaller ones)

Left Click to throw chicken