Lamejam Spacetrades

In the far future, a crippling nanite virus infected almost all machines on an unnamed planet. The planetary governor enacted martial law, sealing the majority of humanity living on the planet to giant hives of underground vaults, and forbidding any individuals without a proper level 3 clearance mech from visiting the surface, resulting only the richest of the planet to live in astropolis above the planet, leaving the rest to ruin in the remains of humanity. And those without the proper clearanc...