Adopting a cat. Sending in fan art. Getting your parents to play The Binding of Isaac. Taking pictures in the bathroom. Stretch goals where you can put your name on a tombstone on Edmund McMillen's lawn. Drawing pictures of the developer nude. The Kickstarter for The Binding of Isaac: Four Souls, a card game built around the story behind The Binding of Isaac, has been a wild ride, with the developer getting fans engaged with the crowdfunding campaign through all manner of silly, fun ideas.

IndieGames.com caught up with McMillen to talk about why he chose to take such a silly route to crowdfunding, and how it's made the campaign a source of positive energy (and has just destroyed the initial funding goal) for the developer.

The Kickstarter for The Binding of Isaac: Four Souls is easily the most creative Kickstarter I've ever seen. What prompted you to try so many different things to engage your fans"
McMillen - I really just wanted to have fun. In a lot of ways, the past few weeks has been a really fun celebration of everything Isaac, and I've gotten to interact with fans in really creative and fun ways. I did an ARG in the past and had a great time doing it. I wanted to do another take on the same idea, and when I looked up and saw what other Kickstarters did with their stretch goals, I decided to just spin them with my own style. I really didn't expect so many people to shave their heads while saying "whatever you wish mother"...

What sorts of...