If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Zombies are taking over! A young girl is going to save her family from zombies' attack. She's got the gun and she can shoot well. Try to help her to get rid of zombies and not to shoot family members. Try to keep them at bay for as long as possible!
Up and Down arrow keys - To move.
Space bar - To shoot.