Your aim in this zombie killing flash game is to stay alive and escape from a city that is full of hordes of zombies. Playing through story mode will allow you to unlock weapons and stages for survival mode. Once you have it unlocked you can play through survival mode and your goal is to defend a position for an unending amount of time, using firearms and ammunition acquired in story mode (your inventory is automatically loaded). Use "W", "A", "S", "D" KEYS to move around, "R" KEY to reload. Use YOUR MOUSE to aim and shoot. Press SPACEBAR for left arm attack. Use "Q"/"E" KEYS to change weapons in your left/right hand. Press CTRL KEY to get in/out vehicle. Go and kill them all. Good luck!