Zombies vs hunters

The world has changed! And as always, people have adapted to it!
You are a hunter, a cleaner! Free the world from zombies!
Use the balloon to hunt! Complete contracts and destroy bosses.
Earn money, exchange booty at a favorable rate.
Upgrade your ship. Become a zombie hunter!

Hunt zombies! Drop bombs! Shoot the cannons! Ram!
Upgrade your ship, collect zombie material and exchange it at a favorable rate!