Lots of money.
An action game set in a post-apocalypse setting, where you must protect the surviving humans from incoming zombies. Your sniping skills will be put to test in several challenging levels. You must search the area for incoming zombies and try to protect all survivors.
Shoot for head shots and don't let any humans die. Try to get a perfect run and upgrade your sniper rifles or buy new ones that will help you achieve your goals.