What? An alarm? Absolute cinema/10
the game and ideia was good, i like it, also the game loop is cool, i feel it kinda empety but as a 48h game it had enough to be good, as you say the plan would be to have 8 houses but we got only 3, what it great tho, i think if you polished the game, and finished the main idea (maybe with some itens that can help with the HP and oxygen like masks or wahtever), it would be a cool free game to launch.
also the art style is clean man, and maches perfectly the game idea, you got it