If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Zombies took your daughter and there is noone helping. What can you do? You pickup some guns and lear the secured area to do it yourself! Move around in a random generated city blowing up zombies while looking and gathering clues, guns, supplies and items.
Left / Right Arrow Keys - Move.
Up Arrow Key - Interact.
Spacebar - Fire.
C - Change Weapon.
X - Throw Rope Ladder.