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I had built all my rooms inside one double wall to save on heating costs and travel time.
An electrical short managed to set fire to my researcher's bedroom, the tailor's bedroom, the clothing closet and the connecting hallway.
My brave people tried to put out the fire from the middle outward so they quickly turned into walking fires.
a few minutes later my colonists start falling down the moment they enter the rooms that are on fire.
I soon figured out why: The temperature inside was over 600 degrees.
Soon every single person was being boiled in their own skin in a tiny hallway while the fire kept getting closer.

This game has great potential for greater ecological interaction, already grass seeds are popping up everywhere, plants spawn, and grow and animals migrate. Please make the plants and animals interact more. Expanding on this theme could give a very interesting and immersive game.
(Source for general concepts.)
I think I have seen animals eat from my food stores, but I'm not entirely sure. Does this happen? If so: awesome, make it happen more often.

I Like the Alpha-Beavers event, they have a clear effect on the environment. I would like to see more events like that.
- Wolves that feed on herbivores like deer and muffalo, who avoid humans and other predators but will fight if attacked. They will leave the area if they run out of deer to eat but while leaving would attack humans. What? they are hungry and wolves deserve to eat too!
- Bears that feed on berries, who ignore humans but will fight if attacked. They could wander into your town, especially if your picked berries are not behind doors.
- Wolverines that are attracted to and eat dead bodies (both animal and human) and meat lying around. Very negative responses to seeing some animal eat a friend would be realistic. Wolverines are known to be very aggressive so that could create some interesting stories. Honey-badgers are a good alternative. Or Hyenas.
- Bees and honey that visit flowers and of course: research-able beekeeping gear to prevent injury while harvesting honey. Bears would be attracted to this causing further trouble.
- Seed eaters like mice or ants (in-game that would be anthills). Do the squirrels eat the grass seeds? I'm going to start a game ignoring my humans just to look at the animal/plant interactions.
- Ents, or similar sentient trees that are indistinguishable from regular trees when standing still. Don't let them move a lot, just enough to make players distrustful of trees. If someone tries to cut them down they get REALLY angry.
- A tribe of gorillas that decide to make their home near you, make them act like besieging pirates except they don't build mortars or sandbags but instead build nests.
- Nocturnal animals, for example hermit crabs (that would be a hilarious and terrifying infestation!) or some cat-like animal that hunts squirrels and mice, I like ocelots.
- Speaking of nocturnal animals I like: Sloths! Harmless, slow moving, surprisingly low meat content. I know, they won't really add much interactivity but I just like sloths.

What do you think?