Andrea Di Stefano wrote:
Norns have a new drive that actually makes them react to things that can be beneficial for the community like repairing toys, watering plants etc. We're still working out some details (like links to other drives) but we're happy with it and it sustains the feeling of growin a colony of Norns that can look out for each other.
Internally, we call this "altruism" although I think we can find a better name for this new drive (suggestions are welcome).

Old Blog Post
 wrote:
Territoriality is a strange sort of "sympathy drive" I want to introduce. It's a drive maintained by an external script that assesses the general comfort of the local tribe population based on their average anger/fear/crowded/etc drive levels and then silently adjusts the territorial drive of each creature to match. Thus, the drive won't actually go down until the tribe as a whole is happier, but creatures could reduce the drive for themselves temporarily by doing things that might help their tribemates feel comfortable, like digging tunnels, approaching enemy territory, hitting enemies, and so on. I'm thinking about two of these if I have the slots, one for tribal discomfort and one for tribal hunger.

Food, I want to be a resource that has to be maintained to an extent. I don't want it to be impossible to come by, but I don't want it to be plentiful and everywhere. Food is something that creatures would actually have to forage for. Digging in shallow soil or pushing a plant may yield something edible-- sort of like a chance-based vendor. Since creatures would be instinct-less based, they won't have the half-strength instinct trick to properly use vendors. Instead, the tribal hunger drive would be what drives a creature to forage.