Now that Demigod is available, quite a few people have been asking how they can register their game to play online. Here's the step-by-step guide:
1) Start Demigod and click Multiplayer
2) Click Internet
3) If you have an account, log in here. Your account is the same as you'd use on any Stardock website or Impulsedriven.com. If you don't have an account click Create Account. Otherwise, skip to Step 8.
4) Select Create new account. Enter your desired Account Name (i.e., nickname) and password. Please note your password must be between 8-12 characters.
5) Enter your name and email. A validation email will be sent to the address you enter. You'll need to follow think link in the email you receive to complete account setup.
6) Read through the Terms of Service if you like.
7) Account creation complete! Next Launch Impulse.
8) Click the Register Product button or the blue ? in the upper-right and select Register a product.
9) In the dialog, enter your Demigod serial number. The rest should be auto-entered for you. This will allow you to play Demigod in online multiplayer, obtain updates, redownload the full game and much more.