First! The link!
And you'll need an interpreter, depending on your operating system.
CONVERSATIONS. Initiate a conversation with "Hello [NPC]". During conversations, you can "ask" "tell" "give" or "show" a subject. End conversations with "Goodbye". NPCs can be either helpful or unhelpful. The information they give may change depending on that. Additionally, subjects are based on knowledge, so you can't ask about a thing you haven't heard of or seen.
DISASTERS. There are three new disasters. Also, both the monkey wrench and steel wrench will work to fix the air filtration unit (Though they can no longer be weapons). Rising water will be accompanied by a short text blurb.
SPAWNING SYSTEM. You will now begin the game as a random class. Accompanying this change is a new AI system. Disasters will increment the Alert Level. NPCs will change their course depending on this.
Also, I made maps of the beginning area:
As always, post opinions, comments, and improvements here.