Zombie Train game online

You got stucked in old strange train. It's quite broken and the land you go trough is full of zombies. You must kill them all otherwise they'll kill you. Buy upgrades or health and try to stay alive as long as possible.
Control: a,s,w,d - movement ,1,2,3,4,5 - select weapon ,q,e - scroll weapon ,h - heal ,f - repair barricade ,spacebar - weapon shop