I Added 1 new zombie and I added a 2nd floor and I added a new syringe, called traitor you're supposed to use it on. It's not fully done yet, but you're supposed to add it to a zombie and it's supposed to fight zombies and humans. And say hi to fred on the second floor he's the oldest zombies to be created but he's locked up. I might release him soon update 0.2 and you can upgrade the zombies only with the speed syridge.