Bob Plaza will be a World in Nexus Adventures. It is a station world based on Starbase 3001 and Club Alpha, it's also an evergreen (doesn't contain enemies) world with Matt as commander. It can be reached from Imagination Gardens. As you enter this amazing station you meet the memorial statue to Bob .
From Bob Plaza you can gain access to The Nexus Core minigame. You can also join a faction here after completing your initiation into the Nexus Force. You initiation involves completing a mission for the Nexus Guy in Nexus HQ after which you can travel to any of the Worlds in LNA.