A discussion that has so far been very absent: What the hell is up with all those dead travelers in abandoned buildings?
First of all, it would appear that travelers have been a very long-standing phenomenon. judging by the distribution, there’s hundreds of dead ones on every single planet in the universe (bar dead worlds. Nobody ever seems to die on those, but then it’s really difficult with all that Thamium lying around).
And the second weird thing is of course how their (our?) bodies apparently deform after dead. I think it’s pretty safe to assume that our characters are bipedal with two arms, as that seems to be the baseline building plan for intelligent life in the universe. At least the three known sapient species follow it. Judging by the hazard gloves, we also have a homo sapiens shaped hand.
The remains we find in abandoned buildings, however, seems to be more akin to psychedelic fungus (not that roughly human-shaped bipedal sapient fungi would be a completely novel idea, though).
Still, any speculations of what that stuff is, and how it seems to grow out of travelers dead bodies? Also, did the travelers themselves get reborn into a new generation, or were they all playing on permadeath? Reincarnation would at least go a tiny way to explaining why there are so many dead ones.