Zombies now drop randomized loot, and new inventory HUD systems have been added to display items
http://www.byond.com/games/hubpic/101409_10760.png

New melee animations
http://www.byond.com/games/hubpic/101409_10759.png

New weapon types (assault and sniper rifles)
You can now equip clothes, or run around naked
Added an arrow that points towards the spawn area
Probably some other stuff