firefox

[hunterchung]

1. Go to Gamechanger
2. Open Preferences.... Click Privacy. In History, choose Use custom settings for history. Click Show Cookies....
   
3. Search gamechanger.io. Click Remove All Cookies. Close all Preference windows.
4. Open Developer Toolbar by shift+F2.
5. Execute the following two lines.

cookie set gcdotcom_secure_sessionid 618wwne3wh8y5fc5bkk18k0yzzckusb5
cookie set gcdotcom_sessionid vupuldscn7uwlem15hd3nfqzptnf00hp
6. Refresh the website and you are all set.