Machinegame bot is a agressive bot to capture castles, with a white list. You need to copy to the code out of machinegame_bots.js into the solo or arena code area on the site.
~ tofuink
Machinegame bot requires
http://www.machinegame.com/
It must be running and not full with 30 people in the arena.
Optional
Use telerik fiddler to replace MachineCanvas.js from machinegame.com
http://www.telerik.com/fiddler
The will highlight each user in mostly different colors.