I think this is the best actual story I've seen in Adventure Jam so far. The writing is taut, the characters are spare but effectively drawn, and the backstory is intriguing. It really drew me in.
If you do a post-jam release, I'd like to see more puzzly aspects to how you actually survive--currently it walks you pretty straightforwardly through what to do, but there could be more of a puzzle to things like how to set the beacons, which systems to turn off, etc.