As of this moment, we have sent out Steam keys to all players who bought the game(or Kickstarter backers) BEFORE the Steam release. So, if you are in that category and have not received your Steam key(s) in your email, send an email to:email@example.com
Providing the following information can help us locating you in our database.
Your email and name associated with your paypal account of the game purchase, if applicable;
The time of purchase if you can remember;
Your email associated with your Kickstarter account that you used to back up the game, if applicable.
Please keep in mind that spam mail filtering, an change of email address could be preventing you from getting your key(s).