Jumping from asteroid to asteroid collecting enough dark matter to open the next portal is hard enough, even the tiniest miscalculation can end in death. It's going to be a long way home. Stranded in space one hundred light years from Earth, you must make your way back one light year at a time. On day 200 of a 365 day mission your ship suffers a catastrophic engine meltdown. When you start encountering explosive rocks, micro-comets and teleporting dark matter, things take a turn for the worse.
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