Solaris VII, The Games World. http://www.sarna.net/wiki/Solaris_7<br/><br/>It's an entire planet whose economy is based around arenas and gladiator games with Battlemechs. The annual Solaris Games are basically the Battletech Olympics, with the addition that private/individuals can compete in addition to government-sponsored pilots. The rest of the year are sponsored matches, private grudge fights, formal duels, betting and gambling and all sorts of things.