Brute-forcing Racer Chrome experiment codes. (Unfortunately, the chance of getting a valid code is pretty small.)

racer.py

import json
import string
import urllib
import sys
import random

chars = string.uppercase
while True:
  s = ''.join(random.choice(chars) for i in range(5))
  try:
    url = 'http://chrome.com/racer/control/join?gameId={0}'.format(s)
    f = urllib.urlopen(url)
    data = json.loads(f.read())
    print s
    if data:
      sys.exit(0)
  except IOError:
    continue