It's intended as an all-inclusive broad theme, so that more people can join the challenge regardless of skill level, time-constraints and personal taste. We added some images and mentioned a few movies to give people ideas to get started from, the style comes down to what you'd like to make Anything that fits into the wikipedia robot definition goes; "A robot is a mechanical or virtual intelligent agent that can perform tasks automatically or with guidance, typically by remote control. In practice a robot is usually an electro-mechanical machine that is guided by computer and electronic programming. Robots can be autonomous, semi-autonomous or remotely controlled. Robots range from humanoids such as ASIMO and TOPIO to Nano robots, Swarm robots, Industrial robots, mobile and servicing robots..." Cleaning Cat uses iRobot Roomba 560 Robotic Vacuum Cleaner. - YouTube Iron Man 2 Movie Clip: The Mark V Suit - YouTube Wall-E is GANGSTA! - YouTube Robot SW unit - modeling and texturing reel on Vimeo