Death is not the end

Everyone Thought Death is the end. 

But When an asteroid hit the earth it spread a gas. 

By which everyone who was dead came back as zombies. 

So I think death is only the beginning of things worse than death.

Instruction:-

This game is very simple. Use W, A, S, and D to move. Move the mouse to aim and left click to shoot.

Collect hearts to recover health.

This game doesn't have any ending every time you kill a wave of zombies the next wave will come with some more difficulty. You have to survive as long as possible.