Blue's Better Monsters

V0.02
Added the chomper zombie as a new regular zombie, crawling zombie and disguised creeper type.

Each individual regular zombie now has a unique walking animation; the sway and tilt of body parts when walking are randomized. Some zombies have a natural stumble.

Zombies now react dynamically when hit, depending on which side you hit them from. Zombies stumble and need to recover back to their normal way of walking after every hit