The 8-Bit Wars

The evil computer bugs have raided the galactic computer museum and in an act of theft and vandalism, spread many 8 bit systems of history across multiple time compartments.

You are adventurer Bob Smith complete with a gun blaster who has come to visit the Galactic Computer Museum on vacation. So angry is Bob with this wonton vandalism, he vows to put the Galaxy back to its right state by collecting the 8 bit machines for the museum and deleting computer bugs wherever he finds them.