Modumate produces 3D building design and modeling software tools targeting the architectural community leveraging key team members previously behind Sim City using the Unreal gaming engine. While 3D building modeling, or BIM, has become commonplace in large, complex projects, even the most advanced BIM tools cannot be used to model “building performance” without extensive rework. Every building created in Modumate is modeled as a fully complete entity with material data, equipment data, and building performance modeling built in from the outset. If successful, Modumate will have a significant impact on the energy consumption of the built environment, which is responsible for 40% of US energy consumption and will likely also improve construction efficiency.