i dig this. it promises so much. I hope whatever time u have to work on this, u keep this great feel of character through action and sound of the world instead of lots of exposition with words.
without the description i thought it was a war of some kind, maybe it would help to see things a bit dirtier to help sell the post-apocalypse.
if u ever do get voice actors,make sure they have consistency. if all u got are latinos with strong accents in english, do it in spanish, or it will feel wrong. unless, of course, their meant to have an accent.