Why Adult Swim Games' Castle Doombad is $3 on iOS rather than free-to-play

Adult Swim Games didn’t release a premium-priced game on mobile in 2013, but the publisher is changing that to start 2014 — and it has high hopes for its first paid app in more than year.

Earlier today, the comedy network’s gaming division released Castle Doombad for iOS. It’s a tower-defense title that has players taking the role of a video game boss who must fight off waves of hero characters. One of the things that sets Castle Doombad apart is that Adult Swim decided to eschew the popular free-to-play model in favor of a $3 price on the App Store.