Popular Science checked in with Doar throughout the build to gain some insight into his creative process. The project's start was fairly simple. After sketching out his concept, Doar gathered his regular crew, including Trevor Yamamoto, T. J. Lewis, and Paul Thompson, and went shopping for materials. In this case, they relied mostly on wood, especially two-by-fours, which connected with the game's rough-hewn, Old West look. "It has this tendency to look sophisticated but at the same time unsophisticated," he says. "You can tell some skill has gone into building it, but it's a little more accessible."