Very moody piece! I like the strong narrative - it felt very up to the fates as to how the boy would survive, and sometimes is was purely by luck, as he dropped to -1 food a few times... but I got a good ending! Despite leaving the door open to irradiated streets! Didn't even know zombies were in this game, but I did receive two radios from the military, so that's nice.
I would have liked to see some indication to click the calendar to move to the next day, as it took a bit of random clicking to figure out how to play the game, but once I was there it was intuitive, and I could easily see what kind of game you had created (in the vein of the turn-based branching narrative).
Design-wise, excellent colours (good use of primary and secondary colours that also feel utilitary and I could instantly tell what each item was when it appeared).
Clear and even layout to the main stage, and I love the upgrade you made to the textbook pages! I don't know what the cover says, but I know how hard it is to draw with a mouse, huge props to you. My wrist aches at the thought.
Solid submission, well done!