Just a thought on monsters and such, although i understand the 'robotic' creatures and perhaps even Undead and even 'mist monsters' which would be cool, for the long term, and as a personal preference, i would like to see 'normal' monsters. By that i mean like rabid dogs, or hordes, and i mean hordes of rabid rats, something along the vein of hundreds that i only have a chance at surviving if i run, or climb a building side to get away from.
Other things occur to me, like holes in the ground that can break a leg, or too long exposure in the cold that has a stiffness and slowness creep into the muscles.
I understand there might be viral plants, which if they move about could be horribly scary, but even just toxic thorns on bushes that degrade my health over time to some low point, or that i have to craft a remedy for to survive might be very interesting in game.
Of course, these are just ideas, i don't know which ones will or won't fit into the mix you will prefer or decide on, but again, these are just thoughts that i think might make for an interesting depth to the game where survival isn't just surviving monster attacks, but also includes surviving the environment.
Thank you for listening,
Sincerely,
Teal