Most of the humanoid robot competitions like ROBO-ONE and RoboGames don't allow the robots to try and destroy each other with rockets or other weapons of major destruction.
Mech Warfare, like ComBots, is an exception. In the "hard core" Mech Warfare classification almost anything goes. Most humanoid builders are very cautious about joining the battle since their robots cost more than the typical personal computer.
But this year at least two of the competitors gave it a try.
For low cost, clean, modern, Western-style accomodations throughout Tokyo, the Tokyo Office & Apartment Center has the apartment you're looking for. Or, if you are visiting Tokyo for just a short time, check out the Tokyo Weekly Hotel Center.
Robots Dreams features general robotics, hobby and educational robots, robot contests, FIRST, RoboCup, combat robots, artificial intelligence based DARPA robots, robot software and code, robot hacks, robot reviews, LEGO Mindstorms NXT, VEX, and Lynxmotion. Robots Dreams also reports on space, military, industrial and medical robot news. The robot centric website focuses on hobby and educational robot products and projects, including robot and robotics technology news from Japan, the US, and around the world. Arduino, pic, Basic Stamp, and other micro-controller robot designs are of particular interest.
Entertainment robots, domestic helper robots, health care and senior care robots, and other robot applications in assisting mankind are covered regularly. The Robots Dreams video channel on YouTube includes new robot product news, exclusive coverage from major robot events including ROBO-ONE, the Wonderful Robot Carnival, and RoboGames. Robots Dreams is a member of the ROBO-ONE press, and an official corporate sponsor of RoboGames and the Wonderful Robot Carnival. The Robots Dreams Flickr photo gallery includes over 30,000 unique robot images taken by our dedicated staff covering robot news and robot competitions for the past ten years.