You can check out the early stages of the future destruction of the world by participating in the Team Fortress 2 Bot Beta Test. No download is required -- all you have to do is enter a simple line of code into the console command in the koth_viaduct, koth_sawmill, and koth_nucleus maps. Check out Valve's blog post to learn more about the AI-spawning commands available to you. Whatever you do, make sure you don't enter "haley_joel_osment" into the command line. His love is real, but he is not.