The challenge of understanding systems is a powerful motivator for Tinney and Welber themselves. The duo chose to design games because games are the most difficult kind of interactive design to create. "We found that challenge really interesting and engaging," explains Tinney. But they are also inspired by the social aspect of gaming. Says Tinney, "We love the idea that the products we make help millions of people interact in a playful way. Both Josh and I find it incredibly exciting to be able to connect people in that way."