Sam Rosenthal held onto his determination to make Where Cards Fall for almost a decade. And it’s paid off, as the game garnered a 2020 Apple Design Award.

In a lengthy interview with Apple, the developer shared insights into the design process for this title. Including how he tends to think of games as buildings the players move around in.

Aspiring developers might learn from his experiences.

The eight winners of this year’s Apple Design Awards showcase “outstanding app design, innovation, ingenuity, and technical achievement,” the company said Monday.

Ron Okamoto, Apple’s vice president of worldwide developer relations, said the four apps and four games honored “inspire not only their peers in the Apple developer community, but all of us at Apple, too.”