The Icebreaker Borealis for this same project! It’s pretty much space Las Vegas, except that one of the premiere attractions are the ubiquitous mech pit fighting arenas, which already puts it miles ahead of regular Las Vegas
The Caliban is essentially an angry wolverine pinball that exists solely to bully and humiliate mechs three times it’s size and smear them across the interior bulkheads with it’s Very Big Shotgun (Done for the Mechs in Motion Kickstarter: http://kck.st/35em98U)